Steel Sections

Steel sections are singular sections of steel that provide structural stability for building work

They can be used in conjunction to once another creating a ‘structure’ or can be used individually to provide support when taking out a wall or putting in an additional window or door. The main sections we have listed here with explanations of their uses and guides to easily identify them on your own structural engineers’ drawings!

We are happy to provide individual sections or several sections as a structure, for your free no obligation quotation please get it touch with our project management team today who will be happy to help!

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sections uc1

Universal columns

One of the most used sections in structural steel a universal column also known as a ‘H’ Beam or ‘I’ Beams, due to their shape. UC’s are mainly used as horizontal columns in buildings to carry compression loads. They might transfer loads from a ceiling, floor slab, roof slab, or from a beam, to a floor or foundations. They are mainly disguised within the building structure being plastered over but can be featured in industrial buildings.

Universal Columns are mainly used in conjunction with connections and universal beams to create full structures but can be needed individually where a span of a building is too large to go unsupported.

Universal Columns can be identified by the width and depth being roughly equal. In practical terms allows the minimum amount of space to be taken up in comparison to the weight that is borne onto the column. This also means that universal columns are sometimes used instead of universal beams where ceiling height is limited and needs to be maximised.

Universal column sizes are displayed as 152 UC 30, where the 152 shows the beam is 152mm wide and 152mm deep. The last number (30 in this example) is the weight per metre in kilograms. It is therefore easy to work out what is the total weight of a UC by simply multiplying its weight per metre by the total length in metres.

For ordering UC’s you can use our easy chart and diagram below.

Size Chart
Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Web
thickness
[mm]
Flange
thickness
[mm]
152 UC 23 23 152.6 152.2 5.8 6.8
152 UC 30 30 157.6 152.9 6.5 9.4
152 UC 37 37 161.8 154.4 8.0 11.5
203 UC 46 46 203.2 203.6 7.2 11.0
203 UC 52 52 206.2 204.3 7.9 12.5
203 UC 60 60 209.6 205.8 9.4 14.2
203 UC 71 71 215.8 206.4 10.0 17.3
203 UC 86 86 222.2 209.1 12.7 20.5
254 UC 73 73 254.1 254.6 8.6 14.2
254 UC 89 89 260.3 256.3 10.3 17.3
254 UC 107 107 266.7 258.8 12.8 20.5
254 UC 132 132 276.3 261.3 15.3 25.3
254 UC 167 167 289.1 265.2 19.2 31.7
305 UC 97 97 307.9 305.3 9.9 15.4
305 UC 118 118 314.5 307.4 12.0 18.7
305 UC 137 137 320.5 309.2 13.9 21.7
305 UC 158 158 327.1 311.2 15.8 25.0
305 UC 198 198 339.9 314.5 19.1 31.4
305 UC 240 240 352.5 318.4 23.0 37.7
305 UC 283 283 365.3 322.2 26.8 44.1
356 x 368 UC 129 129 355.6 368.6 10.4 17.5
356 x 368 UC 153 153 362.0 370.5 12.3 20.7
356 x 368 UC 177 177 368.2 372.6 14.4 23.8
356 x 368 UC 202 202 374.6 374.7 16.5 27.0
356 x 406 UC 235 235 381,0 394,8 18,4 30,2
356 x 406 UC 287 287 393,6 399,0 22,6 36,5
356 x 406 UC 340 340 406,4 403,0 26,6 42,9
356 x 406 UC 393 393 419,0 407,0 30,6 49,2
356 x 406 UC 467 467 436,6 412,2 35,8 58,0
356 x 406 UC 551 551 455,6 418,5 42,1 67,5
356 x 406 UC 634 634 474,6 424,0 47,6 77,0
sections ub1

Universal beams

Also know as RSJ’s, ‘I’ Beams or ‘H’ Beams universal beams are the probably the most common steel section used in residential projects. Used vertically, in-between floors or horizontally in ceilings to carry and support the weight of the above load equally to stop collapse. Universal steel beams have overtaken more traditional wooden beams due to the longevity and strength of the material, simply put steel beams last and can create spans and take weights that other, more traditional materials simply could not. And it can do all these whilst taking up the minimum amount of space and can be hidden within a buildings structure, in ceilings, meaning you don’t have to see the structural beams, unless you want to!

Universal beams can be easily identified by their greater depths compared to the widths (see diagram). This increase in the depth creates a stronger structure to carry greater loads over spans.

Universal beam sizes are displayed as 127 x 26 UB 13, where the 127 shows the depth of the beam and 26 the width. Therefore, in this example beam is 127mm deep and 26mm wide. The last number (13 in this example) is the weight per metre in kilograms. By multiplying the total beam length in metres by the weight per metre we can quickly work out what is the total weight of the beam.

For ordering UB’s you can use our easy chart and diagram below.

Size Chart
Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Web
thickess
[mm]
Flange
thickess
[mm]
127 x 26 UB 13 13 127.0 26.0 4.0 7.6
152 x 89 UB 16 16 152.4 88.7 4.5 7.7
178 x 102 UB 19 19 177.8 101.2 4.8 7.9
203 x 102 UB 23 23 203.2 101.8 5.4 9.3
203 x 133 UB 25 25 203.2 133.2 5.7 7.8
203 x 133 UB 30 30 206.8 133.9 6.4 9.6
254 x 102 UB 22 22 254.0 101.6 5.7 6.8
254 x 102 UB 25 25 257.2 101.9 6.0 8.4
254 x 102 UB 28 28 260.4 102.2 6.3 10.0
254 x 146 UB 31 31 251.4 146.1 6.0 8.6
254 x 146 UB 37 37 256.0 146.4 6.3 10.9
254 x 146 UB 43 43 259.6 147.3 7.2 12.7
305 x 102 UB 25 25 305.1 101.6 5.8 7.0
305 x 102 UB 28 28 308.7 101.8 6.0 8.8
305 x 102 UB 33 33 312.7 102.4 6.6 10.8
305 x 127 UB 37 37 304.4 123.4 7.1 10.7
305 x 127 UB 42 42 307.2 124.3 8.0 12.1
305 x 127 UB 48 48 311.0 125.3 9.0 14.0
305 x 165 UB 40 40 303.4 165.0 6.0 10.2
305 x 165 UB 46 46 306,6 165,7 6,7 11,8
305 x 165 UB 54 54 310,4 166,9 7,9 13,7
356 x 127 UB 33 33 349,0 125,4 6,0 8,5
356 x 127 UB 39 39 353,4 126,0 6,6 10,7
356 x 171 UB 45 45 351,4 171,1 7,0 9,7
356 x 171 UB 51 51 355,0 171,5 7,4 11,5
356 x 171 UB 57 57 358,0 172,2 8,1 13,0
356 x 171 UB 67 67 363,4 173,2 9,1 15,7
406 x 140 UB 39 39 398,0 141,8 6,4 8,6
406 x 140 UB 46 46 403,2 142,2 6,8 11,2
406 x 178 UB 54 54 402,6 177,7 7,7 10,9
406 x 178 UB 60 60 406,4 177,9 7,9 12,8
406 x 178 UB 67 67 409,4 178,8 8,8 14,3
406 x 178 UB 74 74 412,8 179,5 9,5 16,0
457 x 152 UB 52 52 449,8 152,4 7,6 10,9
457 x 152 UB 60 60 454,6 152,9 8,1 13,3
457 x 152 UB 67 67 458,0 153,8 9,0 15,0
457 x 152 UB 74 74 462,0 154,4 9,6 17,0
457 x 152 UB 82 82 465,8 155,3 10,5 18,9
457 x 191 UB 67 67 453,4 189,9 8,5 12,7
457 x 191 UB 74 74 457,0 190,4 9,0 14,5
457 x 191 UB 82 82 460,0 191,3 9,9 16,0
457 x 191 UB 89 89 463,4 191,9 10,5 17,7
457 x 191 UB 98 98 467,2 192,8 11,4 19,6
533 x 210 UB 101 101 536,7 210,0 10,8 17,4
533 x 210 UB 109 109 539,5 210,8 11,6 18,8
533 x 210 UB 122 122 544,5 211,9 12,7 21,3
533 x 210 UB 82 82 528,3 208,8 9,6 13,2
533 x 210 UB 92 92 533,1 209,3 10,1 15,6
610 x 229 UB 101 101 602,6 227,6 10,5 14,8
610 x 229 UB 113 113 607,6 228,2 11,1 17,3
610 x 229 UB 125 125 612,2 229,0 11,9 19,6
610 x 229 UB 140 140 617,2 230,2 13,1 22,1
610 x 305 UB 149 149 612,4 304,8 11,8 19,7
610 x 305 UB 179 179 620,2 307,1 14,1 23,6
610 x 305 UB 238 238 635,8 311,4 18,4 31,4
686 x 254 UB 125 125 677,9 253,0 11,7 16,2
686 x 254 UB 140 140 683,5 253,7 12,4 19,0
686 x 254 UB 152 152 687,5 254,5 13,2 21,0
686 x 254 UB 170 170 692,9 255,8 14,5 23,7
762 x 267 UB 134 134 750,0 264,4 12,0 25,5
762 x 267 UB 147 147 754,0 265,2 12,8 17,5
762 x 267 UB 173 173 762,2 266,7 14,3 21,6
762 x 267 UB 197 197 769,8 268,0 15,6 25,4
838 x 292 UB 176 176 834,9 291,7 14,0 18,8
838 x 292 UB 194 194 840,7 292,4 14,7 21,7
838 x 292 UB 226 226 850,9 293,8 16,1 26,8
914 x 305 UB 201 201 903,0 303,3 15,1 20,2
914 x 305 UB 224 224 910,1 304,1 15,9 23,9
914 x 305 UB 253 253 918,4 305,5 17,3 27,9
914 x 305 UB 289 289 926,6 307,7 19,5 32,0
914 x 419 UB 343 343 911,8 418,5 19,4 32,0
914 x 419 UB 388 388 921,0 420,5 21,4 36,6
sections pfc

Parallel flange channel

Also known as a ‘C’ Beam, PFC’s have a range of uses including columns, supports for floor joists or lintels above doors or windows. They are essentially a load bearing profile similar to UC’s and UB’s but their design shape allows for alternative applications. PFC’s can be mounted against other flat surfaces such as party walls to maximise contact area, and therefore strength, whilst saving space. They can also be used in cavity walls where channels are bolted back to back with 100mm spacers to support both leaves of brick work whilst ensuring minimum moisture transfer.

Parallel flange channels can also be bolted or welded back to back to create nonstandard beams or can be used when there is a limited space such as only one skin of brick work for a beam to sit on.

Ultimately a parallel flange channel can carry lesser weights compared to a UC or UB but its alternate design can be extremely useful in various situations. The weight capacity and design aspects will all have been taken into account by your structural engineer, so trust their knowledge on which beams are better for your project.

PFC are described as a variation of 100 x 50 x 10 PFC where 100mm represents the depth, 50mm represents the width and the final number (10 in this example) represents the weight per meter in kilograms.

Size Chart
Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Web
thickness
[mm]
Flange
thickness
[mm]
100 x 50 x 10 PFC 10.2 100 50 5.0 8.5
125 x 65 x 15 PFC 14.8 125 65 5.5 9.5
150 x 75 x 18 PFC 17.9 150 75 5.5 10.0
150 x 90 x 24 PFC 23.9 150 90 6.5 12.0
180 x 75 x 20 PFC 20.3 180 75 6.0 10.5
180 x 90 x 26 PFC 26.1 180 90 6.5 12.5
200 x 75 x 23 PFC 23.4 200 75 6.0 12.5
200 x 90 x 30 PFC 29.7 200 90 7.0 14.0
230 x 75 x 26 PFC 25.7 230 75 6.5 12.5
230 x 90 x 32 PFC 32.2 230 90 7.5 14.0
260 x 75 x 28 PFC 27.6 260 75 7.0 12.0
260 x 90 x 35 PFC 34.8 260 90 8.0 14.0
300 x 90 x 41 PFC 41.4 300 90 9.0 15.5
300 x 100 x 46 PFC 45.5 300 100 9.0 16.5
380 x 100 x 54 PFC 54.0 380 100 9.5 17.5
430 x 100 x 64 PFC 64.4 430 100 11.0 19.0
sections rhs

Rectangular hollow section

Rectangular hollow sections (RHS) are mostly used as columns where a base plate and cap plate are attached to the top and bottom or where two beams are bolted in to either side. Although not as common as universal columns and beams RHS’s are often used for architectural aesthetics due to their clean lines working alongside their structural strength.

There are two main types of rectangular hollow sections; cold rolled and hot rolled. Cold rolled sections are rolled from a flat sheet into right angles and then welded at their meeting point. Hot rolled sections are formed into shape at the mill so the strength of the column is equal throughout, and higher overall than cold rolled sections.

RHS sizes are displayed as 50 x 25 x 2.5 RHS, where 50mm is the depth, 25mm is the width and the final measurement, 2.5mm in this example, is the wall thickness of the material.

Handy Tip – Hot and cold rolled sections come in common lengths so be sure to specify if you need hot or cold rolled when you are ordering! The two have different load capacity so one will have been specified over the other by your structural engineer.

Size Chart
Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Wall
thickness
[mm]
50 x 25 x 2.5 RHS 2,7 50 25 2,5
50 x 25 x 2.5 RHS 2,7 50 25 2,5
50 x 25 x 3 RHS 3,2 50 25 3
50 x 30 x 2.5 RHS 2,9 50 30 2,5
50 x 30 x 3 RHS 3,4 50 30 3
50 x 30 x 3.2 RHS 3,6 50 30 3,2
50 x 30 x 3.6 RHS 4,0 50 30 3,6
50 x 30 x 4 RHS 4,4 50 30 4
50 x 30 x 5 RHS 5,3 50 30 5
60 x 40 x 2.5 RHS 3,7 60 40 2,5
60 x 40 x 3 RHS 4,4 60 40 3
60 x 40 x 3.2 RHS 4,6 60 40 3,2
60 x 40 x 3.6 RHS 5,1 60 40 3,6
60 x 40 x 4 RHS 5,6 60 40 4
60 x 40 x 5 RHS 6,9 60 40 5
60 x 40 x 6 RHS 8,0 60 40 6
60 x 40 x 6.3 RHS 8,3 60 40 6,3
80 x 40 x 3 RHS 5,3 80 40 3
80 x 40 x 3.2 RHS 5,6 80 40 3,2
80 x 40 x 3.6 RHS 6,3 80 40 3,6
80 x 40 x 4 RHS 6,9 80 40 4
80 x 40 x 5 RHS 8,4 80 40 5
80 x 40 x 6 RHS 9,9 80 40 6
80 x 40 x 6.3 RHS 10,3 80 40 6,3
80 x 40 x 8 RHS 12,5 80 40 8
90 x 50 x 3 RHS 6,2 90 50 3
90 x 50 x 3.2 RHS 6,6 90 50 3,2
90 x 50 x 3.6 RHS 7,4 90 50 3,6
90 x 50 x 4 RHS 8,2 90 50 4
90 x 50 x 5 RHS 10,0 90 50 5
90 x 50 x 6 RHS 11,8 90 50 6
90 x 50 x 6.3 RHS 12,3 90 50 6,3
90 x 50 x 8 RHS 15,0 90 50 8
100 x 50 x 3 RHS 6,7 100 50 3
100 x 50 x 3.2 RHS 7,1 100 50 3,2
100 x 50 x 3.6 RHS 8,0 100 50 3,6
100 x 50 x 4 RHS 8,8 100 50 4
100 x 50 x 5 RHS 10,8 100 50 5
100 x 50 x 6 RHS 12,7 100 50 6
100 x 50 x 6.3 RHS 13,3 100 50 6,3
100 x 50 x 8 RHS 16,3 100 50 8
100 x 60 x 3 RHS 7,2 100 60 3
100 x 60 x 3.2 RHS 7,6 100 60 3,2
100 x 60 x 3.6 RHS 8,5 100 60 3,6
100 x 60 x 4 RHS 9,4 100 60 4
100 x 60 x 5 RHS 11,6 100 60 5
100 x 60 x 6 RHS 13,6 100 60 6
100 x 60 x 6.3 RHS 14,2 100 60 6,3
100 x 60 x 8 RHS 17,5 100 60 8
120 x 60 x 3.6 RHS 9,7 120 60 3,6
120 x 60 x 4 RHS 10,7 120 60 4
120 x 60 x 5 RHS 13,1 120 60 5
120 x 60 x 6 RHS 15,5 120 60 6
120 x 60 x 6.3 RHS 16,2 120 60 6,3
120 x 60 x 8 RHS 20,1 120 60 8
120 x 60 x 10 RHS 24,6 120 60 10
120 x 80 x 3.6 RHS 10,8 120 80 3,6
120 x 80 x 4 RHS 11,9 120 80 4
120 x 80 x 5 RHS 14,7 120 80 5
120 x 80 x 6 RHS 17,4 120 80 6
120 x 80 x 6.3 RHS 18,2 120 80 6,3
120 x 80 x 8 RHS 22,6 120 80 8
120 x 80 x 10 RHS 27,4 120 80 10
140 x 80 x 4 RHS 13,2 140 80 4
140 x 80 x 5 RHS 16,3 140 80 5
140 x 80 x 6 RHS 19,3 140 80 6
140 x 80 x 6.3 RHS 20,2 140 80 6,3
140 x 80 x 8 RHS 25,1 140 80 8
140 x 80 x 10 RHS 30,6 140 80 10
150 x 100 x 4 RHS 15,1 150 100 4
150 x 100 x 5 RHS 18,6 150 100 5
150 x 100 x 6 RHS 22,1 150 100 6
150 x 100 x 6.3 RHS 23,1 150 100 6,3
150 x 100 x 8 RHS 28,9 150 100 8
150 x 100 x 10 RHS 35,3 150 100 10
150 x 100 x 12 RHS 41,4 150 100 12
150 x 100 x 12.5 RHS 42,8 150 100 12,5
160 x 80 x 4 RHS 14,4 160 80 4
160 x 80 x 5 RHS 17,8 160 80 5
160 x 80 x 6 RHS 21,2 160 80 6
160 x 80 x 6.3 RHS 22,2 160 80 6,3
160 x 80 x 8 RHS 27,6 160 80 8
160 x 80 x 10 RHS 33,7 160 80 10
160 x 80 x 12 RHS 39,5 160 80 12
160 x 80 x 12.5 RHS 40,9 |160 80 12,5
180 x 100 x 4 RHS 16,9 180 100 4
180 x 100 x 5 RHS 21,0 180 100 5
180 x 100 x 6 RHS 24,9 180 100 6
180 x 100 x 6.3 RHS 26,1 180 100 6,3
180 x 100 x 8 RHS 32,6 180 100 8
180 x 100 x 10 RHS 40,0 180 100 10
180 x 100 x 12 RHS 47,0 180 100 12
180 x 100 x 12.5 RHS 48,7 180 100 12,5
200 x 100 x 4 RHS 18,1 200 100 4
200 x 100 x 5 RHS 22,6 200 100 5
200 x 100 x 6 RHS 26,8 200 100 6
200 x 100 x 6.3 RHS 28,1 200 100 6,3
200 x 100 x 8 RHS 35,1 200 100 8
200 x 100 x 10 RHS 43,1 200 100 10
200 x 100 x 12 RHS 50,8 200 100 12
200 x 100 x 12.5 RHS 52,7 200 100 12,5
200 x 100 x 16 RHS 65,2 200 100 16
200 x 120 x 6 RHS 28,7 200 120 6
200 x 120 x 6.3 RHS 29,9 200 120 6,3
200 x 120 x 8 RHS 37,3 200 120 8
200 x 120 x 10 RHS 45,9 200 120 10
200 x 120 x 12 RHS 54,5 200 120 12
200 x 120 x 12.5 RHS 55,7 200 120 12,5
250 x 150 x 5 RHS 30,4 250 150 5
250 x 150 x 6 RHS 36,2 250 150 6
250 x 150 x 6.3 RHS 38,0 |250 150 6,3
250 x 150 x 8 RHS 47,7 250 150 8
250 x 150 x 10 RHS 58,8 250 150 10
250 x 150 x 12 RHS 69,6 250 150 12
250 x 150 x 12.5 RHS 72,3 250 150 12,5
250 x 150 x 16 RHS 90,3 250 150 16
260 x 180 x 6 RHS 40,0 260 180 6
260 x 180 x 6.3 RHS 41,9 260 180 6,3
260 x 180 x 8 RHS 52,7 260 180 8
260 x 180 x 10 RHS 65,1 260 180 10
260 x 180 x 12 RHS 77,2 260 180 12
260 x 180 x 12.5 RHS 80,1 260 180 12,5
260 x 180 x 16 RHS 100,0 260 180 16
300 x 200 x 5 RHS 38,3 300 200 5
300 x 200 x 6 RHS 45,7 300 200 6
300 x 200 x 6.3 RHS 47,9 300 200 6,3
300 x 200 x 8 RHS 60,3 300 200 8
300 x 200 x 10 RHS 74,5 300 200 10
300 x 200 x 12 RHS 88,5 300 200 12
300 x 200 x 12.5 RHS 91,9 300 200 12,5
300 x 200 x 16 RHS 115,0 300 200 16
350 x 250 x 6 RHS 55,1 350 250 6
350 x 250 x 6.3 RHS 57,8 350 250 6,3
350 x 250 x 8 RHS 72,8 350 250 8
350 x 250 x 10 RHS 90,2 350 250 10
350 x 250 x 12 RHS 107,0 |350 250 12
350 x 250 x 12.5 RHS 112,0 350 250 12,5
350 x 250 x 16 RHS 141,0 350 250 16
400 x 200 x 6 RHS 55,1 400 200 6
400 x 200 x 6.3 RHS 57,8 400 200 6,3
400 x 200 x 8 RHS 72,8 400 200 8
400 x 200 x 10 RHS 90,2 400 200 10
400 x 200 x 12 RHS 107,0 400 200 12
400 x 200 x 12.5 RHS 112,0 400 200 12,5
400 x 200 x 16 RHS 141,0 400 200 16
450 x 250 x 8 RHS 85,4 450 250 8
450 x 250 x 10 RHS 106,0 450 250 10
450 x 250 x 12 RHS 126,0 450 250 12
450 x 250 x 12.5 RHS 131,0 450 250 12,5
450 x 250 x 16 RHS 166,0 450 250 16
500 x 300 x 8 RHS 97,9 500 300 8
500 x 300 x 10 RHS 122,0 500 300 10
500 x 300 x 12 RHS 145,0 500 300 12
500 x 300 x 12.5 RHS 151,0 500 300 12,5
500 x 300 x 16 RHS 191,0 500 300 16
500 x 300 x 20 RHS 235,0 500 300 20
sections shs

Square hollow section

SHS’s also known as box sections are square formed hollow columns. Similar to RHS’s they can be used as columns where a base plate and cap plate are attached to the top and bottom or where two beams are bolted in to either side. Although not as common as universal columns and beams SHS’s are often used for architectural aesthetics due to their clean lines working alongside their structural strength.

There are two main types of square hollow sections; cold rolled and hot rolled. Cold rolled sections are rolled from a flat sheet into right angles and then welded at their meeting point. Hot rolled sections are formed into shape at the mill so the strength of the column is equal throughout.

RHS sizes are displayed as 20 x 20 x 2 SHS, where 20mm is the equal depth and width of the square and the final measurement, 2mm in this example, is the wall thickness of the material.

Handy Tip – Hot and cold rolled sections come in common lengths so be sure to specify if you need hot or cold rolled when you are ordering! The two have different load capacity so one will have been specified over the other by your structural engineer.

Size Chart
Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Wall
thickness
[mm]
20 x 20 x 2 SHS 1,1 20 20 2
20 x 20 x 2.5 SHS 1,3 20 20 2,5
25 x 25 x 2 SHS 1,4 25 25 2
25 x 25 x 2.5 SHS 1,7 25 25 2,5
25 x 25 x 3 SHS 2,0 25 25 3
30 x 30 x 2 SHS 1,7 30 30 2
30 x 30 x 2.5 SHS 2,1 30 30 2,5
30 x 30 x 3 SHS 2,5 30 30 3
40 x 40 x 2.5 SHS 2,9 40 40 2,5
40 x 40 x 3 SHS 3,4 40 40 3
40 x 40 x 3.2 SHS 3,6 40 40 3,2
40 x 40 x 3.6 SHS 4,0 40 40 3,6
40 x 40 x 4 SHS 4,4 40 40 4
40 x 40 x 5 SHS 5,3 40 40 5
50 x 50 x 2.5 SHS 3,7 50 50 2,5
50 x 50 x 3 SHS 4,4 50 50 3
50 x 50 x 3.2 SHS 4,6 50 50 3,2
50 x 50 x 3.6 SHS 5,1 50 50 3,6
50 x 50 x 4 SHS 5,6 50 50 4
50 x 50 x 5 SHS 6,9 50 50 5
50 x 50 x 6 SHS 8,0 50 50 6
50 x 50 x 6.3 SHS 8,3 50 50 6,3
60 x 60 x 2.5 SHS 4,5 60 60 2,5
60 x 60 x 3 SHS 5,3 60 60 3
60 x 60 x 3.2 SHS 5,6 60 60 3,2
60 x 60 x 3.6 SHS 6,3 60 60 3,6
60 x 60 x 4 SHS 6,9 60 60 4
60 x 60 x 5 SHS 8,4 60 60 5
60 x 60 x 6 SHS 9,9 60 60 6
60 x 60 x 6.3 SHS 10,3 60 60 6,3
60 x 60 x 8 SHS 12,5 60 60 8
70 x 70 x 3 SHS 6,2 70 70 3
70 x 70 x 3.2 SHS 6,6 70 70 3,2
70 x 70 x 3.6 SHS 7,4 70 70 3,6
70 x 70 x 4 SHS 8,2 70 70 4
70 x 70 x 5 SHS 10,0 70 70 5
70 x 70 x 6 SHS 11,8 70 70 6
70 x 70 x 6.3 SHS 12,3 70 70 6,3
70 x 70 x 8 SHS 15,0 70 70 8
80 x 80 x 3 SHS 7,2 80 80 3
80 x 80 x 3.2 SHS 7,6 80 80 3,2
80 x 80 x 3.6 SHS 8,5 80 80 3,6
80 x 80 x 4 SHS 9,4 80 80 4
80 x 80 x 5 SHS 11,6 80 80 5
80 x 80 x 6 SHS 13,6 80 80 6
80 x 80 x 6.3 SHS 14,2 80 80 6,3
80 x 80 x 8 SHS 17.8 80 80 8
90 x 90 x 5 SHS 13,1 90 90 5
90 x 90 x 6 SHS 15,5 90 90 6
90 x 90 x 6.3 SHS 16,2 90 90 6,3
90 x 90 x 8 SHS 20,1 90 90 8
100 x 100 x 3.6 SHS 10,8 100 100 3,6
100 x 100 x 4 SHS 11,9 100 100 4
100 x 100 x 5 SHS 14,7 100 100 5
100 x 100 x 6 SHS 17,4 100 100 6
100 x 100 x 6.3 SHS 18,2 100 100 6,3
100 x 100 x 8 SHS 22,6 100 100 8
100 x 100 x 10 SHS 27,4 100 100 10
120 x 120 x 4 SHS 14,4 120 120 4
120 x 120 x 5 SHS 18,0 120 120 5
120 x 120 x 6 SHS 21,2 120 120 6
120 x 120 x 6.3 SHS 22,2 120 120 6,3
120 x 120 x 8 SHS 27,6 120 120 8
120 x 120 x 10 SHS 33,7 120 120 10
120 x 120 x 12 SHS 39,5 120 120 12
120 x 120 x 12.5 SHS 40,9 120 120 12,5
140 x 140 x 5 SHS 21,0 140 140 5
140 x 140 x 6 SHS 24,9 140 140 6
140 x 140 x 6.3 SHS 26,1 140 140 6,3
140 x 140 x 8 SHS 32,6 140 140 8
140 x 140 x 10 SHS 40,0 140 140 10
140 x 140 x 12 SHS 47,0 140 140 12
140 x 140 x 12.5 SHS 48,7 140 140 12,5
150 x 150 x 5 SHS 22,6 150 150 5
150 x 150 x 6 SHS 26,8 150 150 6
150 x 150 x 6.3 SHS 28,1 150 150 6,3
150 x 150 x 8 SHS 35,1 150 150 8
150 x 150 x 10 SHS 43,1 150 150 10
150 x 150 x 12 SHS 50,8 150 150 12
150 x 150 x 12.5 SHS 52,7 150 150 12,5
150 x 150 x 16 SHS 65,2 150 150 16
160 x 160 x 5 SHS 24,1 160 160 5
160 x 160 x 6 SHS 28,7 160 160 6
160 x 160 x 6.3 SHS 30,1 160 160 6,3
160 x 160 x 8 SHS 37,6 160 160 8
160 x 160 x 10 SHS 46,3 160 160 10
160 x 160 x 12 SHS 54,6 160 160 12
160 x 160 x 12.5 SHS 56,6 160 160 12,5
160 x 160 x 16 SHS 70,2 160 160 16
180 x 180 x 5 SHS 27,3 180 180 5
180 x 180 x 6 SHS 32,5 180 180 6
180 x 180 x 6.3 SHS 34,0 180 180 6,3
180 x 180 x 8 SHS 42,7 180 180 8
180 x 180 x 10 SHS 52,5 180 180 10
180 x 180 x 12 SHS 62,1 180 180 12
180 x 180 x 12.5 SHS 64,4 180 180 12,5
180 x 180 x 16 SHS 80,2 180 180 16
200 x 200 x 5 SHS 30,4 200 200 5
200 x 200 x 6 SHS 36,2 200 200 6
200 x 200 x 6.3 SHS 38,0 200 200 6,3
200 x 200 x 8 SHS 47,7 200 200 8
200 x 200 x 10 SHS 58,8 200 200 10
200 x 200 x 12 SHS 69,6 200 200 12
200 x 200 x 12.5 SHS 72,3 200 200 12,5
200 x 200 x 16 SHS 90,3 200 200 16
220 x 220 x 6 SHS 40,0 220 220 6
220 x 220 x 6.3 SHS 41,9 220 220 6,3
220 x 220 x 8 SHS 52,7 220 220 8
220 x 220 x 10 SHS 65,1 220 220 10
220 x 220 x 12 SHS 77,2 220 220 12
220 x 220 x 12.5 SHS 80,1 220 220 12,5
220 x 220 x 16 SHS 100,0 220 220 16
250 x 250 x 5 SHS 38,3 250 250 5
250 x 250 x 6 SHS 45,7 250 250 6
250 x 250 x 6.3 SHS 47,9 250 250 6,3
250 x 250 x 8 SHS 60,3 250 250 8
250 x 250 x 10 SHS 74,5 250 250 10
250 x 250 x 12 SHS 88,5 250 250 12
250 x 250 x 12.5 SHS 91,9 250 250 12,5
250 x 250 x 16 SHS 115,0 250 250 16
260 x 260 x 6 SHS 47,6 260 260 6
260 x 260 x 6.3 SHS 49,9 260 260 6,3
260 x 260 x 8 SHS 62,8 260 260 8
260 x 260 x 10 SHS 77,7 260 260 10
260 x 260 x 12 SHS 92,2 260 260 12
260 x 260 x 12.5 SHS 95,8 260 260 12,5
260 x 260 x 16 SHS 120,0 260 260 16
300 x 300 x 6 SHS 55,1 300 300 6
300 x 300 x 6.3 SHS 57,8 300 300 6,3
300 x 300 x 8 SHS 72,8 300 300 8
300 x 300 x 10 SHS 90,2 300 300 10
300 x 300 x 12 SHS 107,0 300 300 12
300 x 300 x 12.5 SHS 112,0 300 300 12,5
300 x 300 x 16 SHS 141,0 300 300 16
350 x 350 x 8 SHS 85,4 350 350 8
350 x 350 x 10 SHS 106,0 350 350 10
350 x 350 x 12 SHS 126,0 350 350 12
350 x 350 x 12.5 SHS 131,0 350 350 12,5
350 x 350 x 16 SHS 166,0 350 350 16
400 x 400 x 8 SHS 97,9 400 400 8
400 x 400 x 10 SHS 122,0 400 400 10
400 x 400 x 12 SHS 145,0 400 400 12
400 x 400 x 12.5 SHS 151,0 400 400 12,5
400 x 400 x 16 SHS 191,0 400 400 16
400 x 400 x 20 SHS 235,0 400 400 20
sections chs

Circular hollow section

Circular hollow sections or ‘CHS’ are most often used to create additional strength. They can be used as columns or beams where force or weight bearing is extreme or comes from multiple directions but as their shape creates difficulty when trying to attach to other sections they tend to mainly be used as spacers between universal beams or columns. These spacer bars create a cavity between two beams but maximise the structural integrity of the frame.

Diagram of circular hollow sections being used as spacer bars between beams similar to bellow.

There are two main types of circular hollow sections; cold rolled and hot rolled. Cold rolled sections are rolled from a flat sheet and then welded at their meeting point. Hot rolled sections are formed into shape at the mill so the strength of the column is equal throughout.

CHS are displayed as 21.3 x 3.2 CHS, where the first number is the diameter of the circle and the second number is the thickness of the material (see diagram).

Handy Tip – Hot and cold rolled sections come in common lengths so be sure to specify if you need hot or cold rolled when you are ordering! The two have different load capacity so one will have been specified over the other by your structural engineer.

Size Chart
Type Weight
[kg/m]
Diameter
[mm]
Wall
thickness
[mm]
21.3 x 3.2 CHS 1,4 21,3 3,2
26.9 x 3.2 CHS 1,9 26,9 3,2
33.7 x 2.6 CHS 2,0 33,7 2,6
33.7 x 3.2 CHS 2,4 33,7 3,2
33.7 x 4 CHS 2,9 33,7 4
42.4 x 2.6 CHS 2,6 42,4 2,6
42.4 x 3.2 CHS 3,1 42,4 3,2
42.4 x 4 CHS 3,8 42,4 4
48.3 x 3.2 CHS 3,6 48,3 3,2
48.3 x 4 CHS 4,4 48,3 4
48.3 x 5 CHS 5,3 48,3 5
60.3 x 3.2 CHS 4,5 60,3 3,2
60.3 x 4 CHS 5,6 60,3 4
60.3 x 5 CHS 6,8 60,3 5
76.1 x 3.2 CHS 5,8 76,1 3,2
76.1 x 4 CHS 7,1 76,1 4
76.1 x 5 CHS 8,8 76,1 5
88.9 x 3.2 CHS 6,8 88,9 3,2
88.9 x 4 CHS 8,4 88,9 4
88.9 x 5 CHS 10,3 88,9 5
114.3 x 3.6 CHS 9,8 114,3 3,6
114.3 x 5 CHS 13,5 114,3 5
114.3 x 6.3 CHS 16,8 114,3 6,3
139.7 x 5 CHS 16,6 139,7 5
139.7 x 6.3 CHS 20,7 139,7 6,3
139.7 x 8 CHS 26,0 139,7 8
139.7 x 10 CHS 32,0 139,7 10
168.3 x 5 CHS 20,1 168,3 5
168.3 x 6.3 CHS 25,2 168,3 6,3
168.3 x 8 CHS 31,6 168,3 8
168.3 x 10 CHS 39,0 168,3 10
193.7 x 5 CHS 23,3 193,7 5
193.7 x 5.4 CHS 25,1 193,7 5,4
193.7 x 6.3 CHS 29,1 193,7 6,3
193.7 x 8 CHS 36,6 193,7 8
193.7 x 10 CHS 45,3 193,7 10
193.7 x 12.5 CHS 55,9 193,7 12,5
193.7 x 16 CHS 70,1 193,7 16
219.1 x 5 CHS 26,4 219,1 5
219.1 x 6.3 CHS 33,1 219,1 6,3
219.1 x 8 CHS 41,6 219,1 8
219.1 x 10 CHS 51,6 219,1 10
219.1 x 12.5 CHS 63,7 219,1 12,5
219.1 x 16 CHS 80,1 219,1 16
219.1 x 20 CHS 98,2 219,1 20
244.5 x 6.3 CHS 37,0 244,5 6,3
244.5 x 8 CHS 46,7 244,5 8
244.5 x 10 CHS 57,8 244,5 10
244.5 x 12.5 CHS 71,5 244,5 12,5
244.5 x 16 CHS 90,2 244,5 16
244.5 x 20 CHS 111,0 244,5 20
273 x 6.3 CHS 41,4 273 6,3
273 x 8 CHS 52,3 273 8
273 x 10 CHS 64,9 273 10
273 x 12.5 CHS 80,3 273 12,5
273 x 16 CHS 101,0 273 16
273 x 20 CHS 125,0 273 20
273 x 25 CHS 153,0 273 25
323.9 x 6.3 CHS 49,3 323,9 6,3
323.9 x 8 CHS 62,3 323,9 8
323.9 x 10 CHS 77,4 323,9 10
323.9 x 12.5 CHS 96,0 323,9 12,5
323.9 x 16 CHS 121,0 323,9 16
323.9 x 20 CHS 150,0 323,9 20
323..9 x 25 CHS 184,0 323,9 25
355.6 x 8 CHS 68,6 355,6 8
355.6 x 10 CHS 85,2 355,6 10
355.6 x 12.5 CHS 106,0 355,6 12,5
355.6 x 16 CHS 134,0 355,6 16
355.6 x 20 CHS 166,0 355,6 20
355.6 x 25 CHS 204,0 355,6 25
406.4 x 10 CHS 97,8 406,4 10
406.4 x 12.5 CHS 121,0 406,4 12,5
406.4 x 16 CHS 154,0 406,4 16
406 x 20 CHS 191,0 406,4 20
406.4 x 25 CHS 235,0 406,4 25
406.4 x 32 CHS 295,0 406,4 32
457 x 10 CHS 110,0 457 10
457 x 12.5 CHS 137,0 457 12,5
457 x 16 CHS 174,0 457 16
457 x 20 CHS 216,0 457 20
457 x 25 CHS 266,0 457 25
457 x 32 CHS 335,0 457 32
457 x 40 CHS 411,0 457 40
sections flat

Flat section

Flat sections are probably the most diverse section in structural steel. They can be used for base plates, end plates, stiffeners, gussets, tabs, splice plates and many more. They are usually bolted or welded onto beams to connect the entire structure together. They can add strength to a beam when welded along the length, provide connections to other beams, walls and floors and can be welded to the bottom of universal beams to create a lintel where by the beam creates the base for the internal block work to sit on and the plate extends out underneath creating a base for the external brick work.

Flat section sizes are displayed as 40 x 3 flat where 40mm is the width and 3mm is the thickness of the material (see diagram). All flats come as standard in 6-meter lengths. Standard sizes are displayed in the below chart but if it is a smaller size you need then you will be looking for what is referred to as a “plate” which you will be able to find in connections.

Size Chart
Type Weight
[kg/m]
Width
[mm]
Thickness
[mm]
40 x 3 flat 0,9 40 3
40 x 5 flat 1,6 40 5
40 x 6 flat 1,9 40 6
40 x 8 flat 2,5 40 8
40 x 10 flat 3,1 40 10
40 x 12 flat 3,8 40 12
40 x 15 flat 4,7 40 15
40 x 20 flat 6,3 40 20
40 x 25 flat 7,9 40 25
40 x 30 flat 9,4 40 30
45 x 3 flat 1,1 45 3
45 x 5 flat 1,8 45 5
45 x 6 flat 2,1 45 6
45 x 8 flat 2,8 45 8
45 x 10 flat 3,5 45 10
45 x 12 flat 4,2 45 12
45 x 15 flat 5,3 45 15
45 x 20 flat 7,1 45 20
45 x 25 flat 8,8 45 25
50 x 3 flat 1,2 50 3
50 x 5 flat 2,0 50 5
50 x 6 flat 2,4 50 6
50 x 8 flat 3,1 50 8
50 x 10 flat 3,9 50 10
50 x 12 flat 4,7 50 12
50 x 15 flat 5,9 50 15
50 x 20 flat 7,9 50 20
50 x 25 flat 9,8 50 25
50 x 30 flat 11,8 50 30
50 x 40 flat 15,7 50 40
60 x 5 flat 2,4 60 5
60 x 6 flat 2,8 60 6
60 x 8 flat 3,8 60 8
60 x 10 flat 4,7 60 10
60 x 12 flat 5,7 60 12
60 x 15 flat 7,1 60 15
60 x 20 flat 9,4 60 20
60 x 25 flat 11,8 60 25
60 x 30 flat 14,1 60 30
65 x 5 flat 2,6 65 5
65 x 6 flat 3,1 65 6
65 x 8 flat 4,1 65 8
65 x 10 flat 5,1 65 10
65 x 12 flat 6,1 65 12
65 x 15 flat 7,7 65 15
65 x 20 flat 10,2 65 20
65 x 25 flat 12,8 65 25
65 x 40 flat 20,4 65 40
65 x 50 flat 25,5 65 50
70 x 6 flat 3,3 70 6
70 x 8 flat 4,4 70 8
70 x 10 flat 5,5 70 10
70 x 12 flat 6,6 70 12
70 x 15 flat 8,2 70 15
70 x 20 flat 11,0 70 20
70 x 25 flat 13,7 70 25
70 x 30 flat 16,5 70 30
70 x 40 flat 22,0 70 40
75 x 6 flat 3,5 75 6
75 x 8 flat 4,7 75 8
75 x 10 flat 5,9 75 10
75 x 12 flat 7,1 75 12
75 x 15 flat 8,8 75 15
75 x 20 flat 11,8 75 20
75 x 25 flat 14,7 75 25
80 x 3 flat 1,9 80 3
80 x 5 flat 3,1 80 5
80 x 6 flat 3,8 80 6
80 x 8 flat 5,0 80 8
80 x 10 flat 6,3 80 10
80 x 12 flat 7,5 80 12
80 x 15 flat 9,4 80 15
80 x 20 flat 12,6 80 20
80 x 25 flat 15,7 80 25
80 x 30 flat 18,8 80 30
80 x 50 flat 31,4 80 50
90 x 5 flat 3,5 90 5
90 x 6 flat 4,2 90 6
90 x 8 flat 5,7 90 8
90 x 10 flat 7,1 90 10
90 x 12 flat 8,5 90 12
90 x 15 flat 10,6 90 15
90 x 20 flat 14,1 90 20
90 x 25 flat 17,7 90 25
90 x 30 flat 21,2 90 30
100 x 3 flat 2,4 100 3
100 x 5 flat 3,9 100 5
100 x 6 flat 4,7 100 6
100 x 8 flat 6,3 100 8
100 x 10 flat 7,9 100 10
100 x 12 flat 9,4 100 12
100 x 15 flat 11,8 100 15
100 x 20 flat 15,7 100 20
100 x 25 flat 19,6 100 25
100 x 30 flat 23,6 100 30
100 x 40 flat 31,4 100 40
100 x 50 flat 39,3 100 50
110 x 6 flat 5,2 110 6
110 x 8 flat 6,9 110 8
110 x 10 flat 8,6 110 10
110 x 12 flat 10,4 110 12
110 x 15 flat 13,0 110 15
110 x 20 flat 17,3 110 20
110 x 25 flat 21,6 110 25
120 x 6 flat 5,7 120 6
120 x 8 flat 7,5 120 8
120 x 10 flat 9,4 120 10
120 x 12 flat 11,3 120 12
120 x 15 flat 14,1 120 15
120 x 20 flat 18,8 120 20
120 x 25 flat 23,6 120 25
130 x 5 flat 5,1 130 5
130 x 6 flat 6,1 130 6
130 x 8 flat 8,2 130 8
130 x 10 flat 10,2 130 10
130 x 12 flat 12,3 130 12
130 x 15 flat 15,3 130 15
130 x 20 flat 20,4 130 20
130 x 25 flat 25,5 130 25
130 x 30 flat 30,6 130 30
140 x 6 flat 6,6 140 6
140 x 12 flat 13,2 140 12
140 x 15 flat 16,5 140 15
140 x 25 flat 27,5 140 25
150 x 5 flat 5,9 150 5
150 x 6 flat 7,1 150 6
150 x 8 flat 9,4 150 8
150 x 10 flat 11,8 150 10
150 x 12 flat 14,1 150 12
150 x 15 flat 17,7 150 15
150 x 20 flat 23,6 150 20
150 x 25 flat 29,4 150 25
150 x 30 flat 35,3 150 30
150 x 40 flat 47,1 150 40
180 x 6 flat 8,5 180 6
180 x 8 flat 11,3 180 8
180 x 10 flat 14,1 180 10
180 x 12 flat 17,0 180 12
180 x 15 flat 21,2 180 15
180 x 20 flat 28,3 180 20
180 x 25 flat 35,3 180 25
200 x 6 flat 9,4 200 6
200 x 8 flat 12,6 200 8
200 x 10 flat 15,7 200 10
200 x 12 flat 18,8 200 12
200 x 15 flat 23,6 200 15
200 x 20 flat 31,4 200 20
200 x 25 flat 39,3 200 25
220 x 5 flat 8,6 220 5
220 x 6 flat 10,4 220 6
220 x 8 flat 13,8 220 8
220 x 10 flat 17,3 220 10
220 x 12 flat 20,7 220 12
220 x 15 flat 25,9 220 15
220 x 20 flat 34,5 220 20
220 x 25 flat 43,2 220 25
230 x 10 flat 18,1 230 10
230 x 15 flat 27,1 230 15
230 x 20 flat 36,1 230 20
230 x 25 flat 45,1 230 25
250 x 6 flat 11,8 250 6
250 x 8 flat 15,7 250 8
250 x 10 flat 19,6 250 10
250 x 12 flat 23,6 250 12
250 x 15 flat 29,4 250 15
250 x 20 flat 39,3 250 20
250 x 25 flat 49,1 250 25
300 x 6 flat 14,1 300 6
300 x 8 flat 18,8 300 8
300 x 10 flat 23,6 300 10
300 x 12 flat 28,3 300 12
300 x 15 flat 35,3 300 15
300 x 20 flat 47,1 300 20
300 x 25 flat 58,9 300 25
350 x 10 flat 27,5 350 10
350 x 12 flat 33,0 350 12
350 x 15 flat 41,2 350 15
350 x 20 flat 55,0 350 20
350 x 25 flat 68,7 350 25
400 x 10 flat 31,4 400 10
400 x 12 flat 37,7 400 12
400 x 15 flat 47,1 400 15
400 x 20 flat 62,8 400 20
400 x 25 flat 78,5 400 25
450 x 20 flat 70,7 450 20
450 x 25 flat 88,3 450 25
sections rsa e

Rolled steel angle-equal

RSA-e’s, sometimes referred to as “angles”, “equal angles” or “L-shapes” the ‘e’ refers to the equality of the angle with both lengths being identical. Rolled steel angles are used in larger lengths for framing purposes to create rigidity in a structure or can be used as lintels when two sections are bolted back to back. They are, however, most commonly cut into shorter sections and drilled to use at connections between perpendicular beams (see diagram).

Rolled steel angles are referred to using the format 20 x 20 x 3 RSA. Even though both legs are the same length, they are described by giving both leg lengths and the wall thickness (all in mm).

Size Chart
Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Thickness
[mm]
20 x 20 x 3 RSA 0,9 20 20 3
25 x 25 x 3 RSA 1,1 25 25 3
25 x 25 x 4 RSA 1,5 25 25 4
25 x 25 x 5 RSA 1,8 25 25 5
30 x 30 x 3 RSA 1,4 30 30 3
30 x 30 x 4 RSA 1,8 30 30 4
30 x 30 x 5 RSA 2,2 30 30 5
35 x 35 x 4 RSA 2,1 35 35 4
40 x 40 x 3 RSA 1,8 40 40 3
40 x 40 x 4 RSA 2,4 40 40 4
40 x 40 x 5 RSA 3,0 40 40 5
40 x 40 x 6 RSA 3,5 40 40 6
45 x 45 x 3 RSA 2,1 45 45 3
45 x 45 x 4 RSA 2,7 45 45 4
45 x 45 x 5 RSA 3,4 45 45 5
45 x 45 x 6 RSA 4,0 45 45 6
50 x 50 x 3 RSA 2,3 50 50 3
50 x 50 x 4 RSA 3,1 50 50 4
50 x 50 x 5 RSA 3,8 50 50 5
50 x 50 x 6 RSA 4,5 50 50 6
50 x 50 x 8 RSA 5,8 50 50 8
60 x 60 x 5 RSA 4,6 60 60 5
60 x 60 x 6 RSA 5,4 60 60 6
60 x 60 x 8 RSA 7,1 60 60 8
60 x 60 x 10 RSA 8,7 60 60 10
65 x 65 x 7 RSA 6,8 65 65 7
70 x 70 x 6 RSA 6,4 70 70 6
70 x 70 x 8 RSA 7,4 70 70 7
70 x 70 x 7 RSA 8,4 70 70 8
70 x 70 x 10 RSA 10,3 70 70 10
75 x 75 x 6 RSA 6,9 75 75 6
75 x 75 x 8 RSA 9,0 75 75 8
80 x 80 x 6 RSA 7,3 80 80 6
80 x 80 x 8 RSA 9,6 80 80 8
80 x 80 x 10 RSA 11,9 80 80 10
90 x 90 x 6 RSA 8,3 90 90 6
90 x 90 x 7 RSA 9,6 90 90 7
90 x 90 x 8 RSA 10,9 90 90 8
90 x 90 x 9 RSA 12,2 90 90 9
90 x 90 x 10 RSA 13,4 90 90 10
90 x 90 x 12 RSA 15,9 90 90 12
100 x 100 x 8 RSA 12,2 100 100 8
100 x 100 x 10 RSA 15,0 100 100 10
100 x 100 x 12 RSA 17,8 100 100 12
100 x 100 x 15 RSA 21,9 100 100 15
120 x 120 x 8 RSA 14,7 120 120 8
120 x 120 x 10 RSA 18,2 120 120 10
120 x 120 x 12 RSA 21,6 120 120 12
120 x 120 x 15 RSA 26,6 120 120 15
130 x 130 x 12 RSA 23,5 130 130 12
150 x 150 x 10 RSA 23,0 150 150 10
150 x 150 x 12 RSA 27,3 150 150 12
150 x 150 x 15 RSA 33,8 150 150 15
150 x 150 x 18 RSA 40,1 150 150 18
160 x 160 x 15 RSA 36,2 160 160 15
180 x 180 x 16 RSA 43,5 180 180 16
180 x 180 x 18 RSA 48,6 180 180 18
200 x 200 x 16 RSA 48,5 200 200 16
200 x 200 x 18 RSA 54,2 200 200 18
200 x 200 x 20 RSA 59,9 200 200 20
200 x 200 x 24 RSA 71,1 200 200 24
250 x 250 x 25 RSA 93,6 250 250 25
250 x 250 x 28 RSA 104,0 250 250 28
250 x 250 x 32 RSA 118,0 250 250 32
250 x 250 x 35 RSA 128,0 250 250 35
sections rsa u

Rolled steel angles – U

RSA-u’s, sometimes referred to as “angles”, or “L-shapes” the ‘u’ refers to the unequal lengths of the angle section. Rolled steel angles and are mainly used in larger lengths for lintels as with the longer leg being in a vertical position, its loading capabilities are greater than equal angles. RSA-U’s are however, most commonly cut into shorter sections and drilled to use at connections between beams (see diagram).

Rolled steel angles are referred to using the format 30 x 20 x 3 RSA. Where the longest leg is described first in mm, the short leg second in mm and the thickness of the material as the last number in the sequence.

Size Chart
Type Weight
[kg/m]
Height
[mm]
Width
[mm]
Thickness
[mm]
30 x 20 x 3 RSA 1,1 30 20 3
30 x 20 x 4 RSA 1,5 30 20 4
40 x 20 x 4 RSA 1,8 40 20 4
40 x 25 x 4 RSA 1,9 40 25 4
45 x 30 x 4 RSA 2,3 45 30 4
50 x 30 x 5 RSA 3,0 50 30 5
60 x 30 x 5 RSA 3,4 60 30 5
60 x 40 x 5 RSA 3,8 60 40 5
60 x 40 x 6 RSA 4,5 60 40 6
65 x 50 x 5 RSA 4,4 65 50 5
70 x 50 x 6 RSA 5,4 75 50 6
75 x 50 x 6 RSA 5,7 75 50 6
75 x 50 x 8 RSA 7,4 75 50 8
80 x 40 x 6 RSA 5,4 80 40 6
80 x 40 x 8 RSA 7,1 80 40 8
80 x 60 x 7 RSA 7,4 80 60 7
100 x 50 x 6 RSA 6,8 100 50 6
100 x 50 x 8 RSA 9,0 100 50 8
100 x 65 x 7 RSA 8,8 100 65 7
100 x 65 x 8 RSA 9,9 100 65 8
100 x 65 x 10 RSA 12,3 100 65 10
100 x 75 x 8 RSA 10,6 100 75 8
100 x 75 x 10 RSA 13,0 100 75 10
100 x 75 x 12 RSA 15,4 100 75 12
120 x 80 x 8 RSA 12,2 120 80 8
120 x 80 x 10 RSA 15,0 120 80 10
120 x 80 x12 RSA 17,8 120 80 12
125 x 75 x 8 RSA 12,2 125 75 8
125 x 75 x 10 RSA 15,0 125 75 10
125 x 75 x 12 RSA 17,8 125 75 12
135 x 65 x 8 RSA 12,2 135 65 8
135 x 65 x 10 RSA 15,0 135 65 10
150 x 75 x 9 RSA 15,4 150 75 9
150 x 75 x 10 RSA 17,0 150 75 10
150 x 75 x 12 RSA 20,2 150 75 12
150 x 75 x 15 RSA 24,8 150 75 15
150 x 90 x 10 RSA 18,2 150 90 10
150 x 90 x 12 RSA 21,6 150 90 12
150 x 90 x 15 RSA 26,6 150 90 15
150 x 100 x 10 RSA 19,0 150 100 10
150 x 100 x 12 RSA 22,5 150 100 12
200 x 100 x 10 RSA 23,0 200 100 10
200 x 100 x 12 RSA 27,3 200 100 12
200 x 100 x 15 RSA 33,7 200 100 15
200 x 150 x 12 RSA 32,0 200 150 12

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