Structural

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Orrcon Steel Manufacturing Pty Ltd stocks rectangular hollow sections ranging from 38x25mm to 400x300mm.* Our Rectangular Hollow Sections are manufactured to the Australian Standard for structural steel hollow section AS/NZS 1163 and cover steel grades C250L0 and C350L0.

A variety of surface finishes are available across our range of structural tubulars, but not all finishes are available in all sizes.

* Please note that some gauges & diameters within this range are sourced from pre-qualified suppliers - which may involve longer lead times. Sizes outside this range are available (subject to enquiry).

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PRODUCT RANGE

Size dxb (mm) NB (mm) OD (mm) Nom. Thick (mm) Length (mm) Class AS1074 Grade CL250L0 Grade CL350L0 PTD* ALLGAL* MAXI-TUBE* Nom. Linear Mass (Kg/m) Nom. m/Tonne Lengths /Pack Lengths /MiniPak
20 x 20 1.60
6500
✓ ✓ ✓ 0.87 1146 100 49
25 x 25 1.60
6500
✓ ✓ ✓ 1.12 890 100 49
25 x 25 2.00
6500
✓ ✓ ✓ 1.36 733 100 49
25 x 25 2.50
6500
✓ ✓ ✓ 1.64 610 100 49
25 x 25 3.00
6500
✓ ✓ ✓ 1.89 529 100 49
30 x 30 1.60
8000
✓ ✓ ✓ 1.38 727 100 49
30 x 30 2.00
8000
✓ ✓ ✓ 1.68 596 100 49
30 x 30 2.50
8000
✓ ✓ ✓ 2.03 492 100 49
30 x 30 3.00
8000
✓ ✓ ✓ 2.36 423 64 36
35 x 35 1.60
8000
✓ ✓ ✓ 1.63 615 100 49
35 x 35 2.00
8000
✓ ✓ ✓ 1.99 502 100 49
35 x 35 2.50
8000
✓ ✓ ✓ 2.42 412 64 30
35 x 35 3.00
8000
✓ ✓ ✓ 2.83 353 64 30
40 x 40 1.60
8000
✓ ✓ ✓ 1.88 533 81 36
40 x 40 2.00
8000
✓ ✓ ✓ 2.31 434 81 36
40 x 40 2.50
8000
✓ ✓ ✓ 2.82 355 64 30
40 x 40 3.00
8000
✓ ✓ ✓ 3.30 303 64 30
40 x 40 4.00
8000
✓ ✓ ✓ 4.09 244 49 25
50 x 50 1.60
8000
✓ ✓ ✓ 2.38 420 64 30
50 x 50 2.00
8000
✓ ✓ ✓ 2.93 341 64 30
50 x50 2.50
8000
✓ ✓ ✓ 3.60 278 49 25
50 x 50 3.00
8000
✓ ✓ ✓ 4.25 236 49 25
50 x 50 4.00
8000
✓ ✓ 5.35 187 36 20
50 x 50 5.00
8000
✓ ✓ ✓ 6.39 156 30 16
50 x 50 6.00
8000
✓ ✓ 7.32 137 25 12
65 x 65 1.60
8000
✓ ✓ 3.13 319 49 25
65 x 65 2.00
8000
✓ ✓ ✓ 3.88 258 42 20
65 x65 2.50
8000
✓ ✓ ✓ 4.78 209 42 20
65 x 65 3.00
8000
✓ ✓ ✓ 5.66 177 36 20
65 x 65 4.00
8000
✓ ✓ ✓ 7.23 138 30 16
65 x65 5.00
8000
✓ ✓ ✓ 8.75 114 25 12
65 x 65 6.00
8000
✓ ✓ 10.15 99 20 12
75 x 75 2.00
8000
✓ ✓ ✓ 4.50 222 30 16
75 x 75 2.50
8000
✓ ✓ ✓ 5.56 180 30 16
75 x 75 3.00
8000
✓ ✓ ✓ 6.60 152 30 16
75 x 75 3.50
8000
✓ ✓ ✓ 7.53 133 25 12
75 x 75 4.00
8000
✓ ✓ ✓ 8.49 118 25 12
75 x 75 5.00
8000
✓ ✓ ✓ 10.32 97 20 9
75 x 75 6.00
8000
✓ ✓ ✓ 12.03 83 16 9
89 x 89 2.00
8000
✓ ✓ ✓ 5.38 186 25 9
89 x 89 2.50
8000
✓ ✓ ✓ 6.66 150 20 9
89 x 89 3.50
8000
✓ ✓ ✓ 9.07 110 20 9
89 x 89 5.00
8000
✓ ✓ ✓ 12.51 80 16 9
89 X 89 6.00
8000
✓ ✓ ✓ 14.67 68 12 6
100 X 100 2.00
8000
✓ ✓ ✓ 6.07 165 20 12
100 X 100 2.50
8000
✓ ✓ ✓ 7.53 133 20 12
100 x 100 3.00
8000
✓ ✓ ✓ 8.96 112 20 9
100 x 100 4.00
8000
✓ ✓ ✓ 11.63 86 16 9
100 x 100 5.00
8000
✓ ✓ ✓ 14.24 70 12 6
100 x100 6.00
8000
✓ ✓ ✓ 16.74 60 12 6
100 x 100 9.00
8000
✓ 23.50 43 9 0
125 x 125 4.00
8000
✓ ✓ ✓ 14.80 68 12 6
125 x 125 5.00
8000
✓ ✓ ✓ 18.17 55 12 6
125 x 125 6.00
8000
✓ ✓ 21.45 47 9 4
125 x 125 9.00
8000
30.60 33 8 0
150 x 150 5.00
8000
✓ 22.10 45 9 0
150 x 150 6.00
8000
✓ 26.20 38 6 0
150 x 150 9.00
8000
✓ 37.70 27 6 0
200 x 200 5.00
8000
✓ 29.90 33 6 0
200 x 200 6.00
8000
✓ 35.60 28 4 0
200 x 200 9.00
8000
✓ 51.80 19 4 0
200 x 200 12.50
8000
✓ 69.40 14 2 0
200 x 200 16.00
8000
✓ 85.50 12 1 0
250 x 250 6.00
8000
✓ 45.00 22 4 0
250 x 250 9.00
8000
✓ 65.90 15 2 0
250 x 250 12.50
8000
✓ 89.00 11 1 0
250 x 250 16.00
8000
✓ 111.00 9 1 0
300 x 300 6.00
8000
✓ 54.42 18 1 0
300 x 300 9.00
8000
✓ 80.05 12 1 0
300 x 300 12.50
8000
✓ 109.00 9 1 0
300 x 300 16.00
8000
✓ 136.00 7 1 0
350 x 350 9.00
8000
✓ 94.18 11 1 0
350 x 350 12.50
8000
✓ 128.00 8 1 0
350 x 350 16.00
8000
✓ 161.00 6 1 0
400 x 400 9.00
8000
✓ 108.31 9 1 0
400 x 400 12.50
8000
✓ 148.00 7 1 0
400 x 400 16.00
8000
✓ 186.00 5 1 0
50 x 25 1.60
8000
✓ ✓ ✓ 1.75 571 96 48
50 x 25 2.00
8000
✓ ✓ ✓ 2.15 465 96 48
50 x 25 2.50
8000
✓ ✓ ✓ 2.62 382 72 36
50 x 25 3.00
8000
✓ ✓ ✓ 3.07 326 60 30
65 x 35 1.60
8000
✓ ✓ 2.38 420 54 24
65 x 35 2.00
8000
✓ ✓ ✓ 2.93 341 54 24
65 x 35 2.50
8000
✓ ✓ ✓ 3.60 278 54 24
65 x 35 3.00
8000
✓ ✓ ✓ 4.25 236 45 21
65 x 35 4.00
8000
✓ ✓ 5.35 187 45 21
75 x 25 1.60
8000
✓ ✓ 2.38 420 65 32
75 x 25 2.00
8000
✓ ✓ ✓ 2.93 341 65 32
75 x 25 2.50
8000
✓ ✓ ✓ 3.60 278 48 24
75 x 50 1.60
8000
✓ ✓ 3.01 332 42 20
75 x 50 2.00
8000
✓ ✓ ✓ 3.72 269 42 20
75 x 50 2.30
8000
✓ ✓ 4.24 236 42 20
75 x 50 2.50
8000
✓ ✓ ✓ 4.58 218 42 20
75 x 50 3.00
8000
✓ ✓ ✓ 5.42 184 35 18
75 x 50 4.00
8000
✓ ✓ ✓ 6.92 145 28 12
75 x 50 5.00
8000
✓ ✓ ✓ 8.35 120 24 12
75 x 50 6.00
8000
✓ ✓ 9.67 103 20 12
100 x 50 1.60
8000
✓ ✓ 3.64 275 32 15
100 x 50 2.00
8000
✓ ✓ ✓ 4.50 222 32 15
100 x 50 2.50
8000
✓ ✓ ✓ 5.56 180 32 15
100 x 50 3.00
8000
✓ ✓ ✓ 6.60 152 32 15
100 x 50 3.50
8000
✓ ✓ ✓ 7.53 133 24 12
100 x 50 4.00
8000
✓ ✓ ✓ 8.49 118 24 12
100 x 50 5.00
8000
✓ ✓ ✓ 10.32 97 18 9
100 x 50 6.00
8000
✓ ✓ 12.03 83 15 9
125 x 75 2.50
8000
✓ ✓ ✓ 7.53 133 20 12
125 x 75 3.00
8000
✓ ✓ ✓ 8.96 112 20 12
125 x 75 4.00
8000
✓ ✓ ✓ 11.63 86 15 8
125 x 75 5.00
8000
✓ ✓ ✓ 14.24 70 15 8
125 x 75 6.00
8000
✓ ✓ 16.74 60 12 6
150 x 50 2.00
8000
✓ ✓ 6.07 165 21 15
150 x 50 2.50
8000
✓ ✓ ✓ 7.53 133 21 12
150 x 50 3.00
8000
✓ ✓ ✓ 8.96 112 21 12
150 x 50 4.00
8000
✓ ✓ ✓ 11.63 86 15 8
150 x 50 5.00
8000
✓ ✓ ✓ 14.24 70 15 8
150 x 50 6.00
8000
✓ ✓ ✓ 16.74 60 15 8
150 x 100 3.00
8000
✓ ✓ ✓ 11.31 88 12 8
150 x 100 4.00
8000
✓ ✓ ✓ 14.77 68 12 8
150 x 100 5.00
8000
✓ ✓ ✓ 18.17 55 12 8
150 x 100 6.00
8000
✓ ✓ 21.45 47 9 4
150 x 100 9.00
8000
✓ 30.60 33 6 4
200 x 100 4.00
8000
✓ 17.90 56 8 0
200 x 100 5.00
8000
✓ 22.10 45 8 0
200 x 100 6.00
8000
✓ 26.20 38 8 0
200 x 100 9.00
8000
✓ 37.70 27 6 0
250 x 150 5.00
8000
✓ 29.94 33 6 0
250 x 150 6.00
8000
✓ 35.58 28 4 0
250 x 150 9.00
8000
✓ 51.79 19 4 0
250 x 150 12.50
8000
✓ 69.40 14 2 0
250 x 150 16.00
8000
✓ 85.50 12 1 0
300 x 200 6.00
8000
✓ 45.00 22 0 0
300 x 200 9.00
8000
✓ 65.92 15 0 0
300 x 200 12.50
8000
✓ 89.00 11 0 0
300 x 200 16.00
8000
✓ 111.00 9 0 0
300 x 250 12.50
8000
✓ 109.00 9 0 0
350 x250 16.00
8000
✓ 136.00 7 0 0
400 x 200 6.00
8000
✓ 54.42 18 1 0
400 x 200 9.00
8000
✓ 80.05 12 1 0
400 x 200 12.50
8000
✓ 109.00 9 0 0
400 x 300 9.00
8000
✓ 94.18 11 0 0
400 x 300 12.50
8000
✓ 128.00 8 0 0
400 x 300 16.00
8000
✓ 161.00 6 0 0
38 x 25 1.60
8000
✓ ✓ ✓ 1.45 689 72 36
38 x 25 2.00
8000
✓ ✓ 1.77 564 72 36
38 x 25 2.50
8000
✓ ✓ 2.15 465 72 0
50 x 20 1.60
8000
✓ ✓ ✓ 1.63 615 96 0
50 x 20 2.00
8000
✓ ✓ ✓ 1.99 502 96
50 x 20 2.50
8000
✓ ✓ 2.42 412 72 0
50 x 20 3.00
8000
✓ ✓ ✓ 2.83 353 72 0
50 x 30 2.00
8000
✓ ✓ 2.31 434 96
76 x 38 1.60
8000
✓ ✓ 2.73 366 50 0
76 x 38 2.00
8000
✓ ✓ 3.37 296 56 0
76 x 38 2.50
8000
✓ ✓ ✓ 4.15 241 45 0
76 x 38 3.00
8000
✓ ✓ 4.90 204 40 20
76 x 38 4.00
8000
✓ ✓ 6.23 161 32 0
102 x 76 3.50
8000
✓ ✓ ✓ 9.07 110 20 12
102 x 76 5.00
8000
✓ ✓ 12.51 80 15 9
102 x 76 6.00
8000
✓ ✓ 14.67 68 12 6
127 x 51 3.00
8000
✓ ✓ 7.92 126 18 0
127 x 51 4.00
8000
✓ ✓ 10.24 98 12 0
127 x 51 5.00
8000
✓ ✓ ✓ 12.51 80 12 6
127 x 51 6.00
8000
✓ ✓ 14.67 68 12 0
152 x 76 5.00
8000
✓ ✓ 16.44 61 12 6
152 x 76 6.00
8000
✓ ✓ 19.38 52 9 6
185 x 65+ 3.00
8000
✓ ✓ ✓ 11.31 88 10 0
185 x65+ 4.00
8000
✓ ✓ ✓ 14.77 68 10 0
185 x 65+ 5.00
8000
✓ ✓ ✓ 18.17 55 10 0
185 x 65+ 6.00
8000
✓ ✓ 21.45 47 10 0
25.40 2.00
6500
XL ✓ ◆ ✓ ✓ 1.15 866 91 0
20 26.90 2.60
6500
M ✓ ◆ ✓ ✓ 1.56 642 127 61
25 33.70 2.00
6500
XL ✓ ◆ ✓ ✓ ✓ 1.56 640 91 37
25 33.70 2.60
6500
L ✓ ◆ ✓ ✓ 1.99 501 91 37
25 33.70 3.20
6500
M ✓ ◆ ✓ ✓ ✓ 2.41 415 91 37
25 33.70 4.00
6500
H ✓ ◆ ✓ ✓ ✓ 2.93 341 91 37
32 42.40 2.00
6500
XL ✓ ◆ ✓ ✓ ✓ 1.99 502 61 37
32 42.40 2.60
6500
L ✓ ◆ ✓ 2.55 392 61 37
32 42.40 3.20
6500
M ✓ ◆ ✓ ✓ ✓ 3.09 323 61 37
32 42.40 4.00
6500
H ✓ ◆ ✓ ✓ 3.79 264 61 37
40 48.30 2.30
6500
XL ✓ ◆ ✓ ✓ 2.61 383 61 37
40 48.30 2.90
6500
L ✓ ◆ ✓ ✓ ✓ 3.25 308 61 37
40 48.30 3.20
6500
M ✓ ◆ ✓ ✓ ✓ 3.56 281 61 37
40 48.30 4.00
6500
H ✓ ◆ ✓ ✓ ✓ 4.37 229 61 37
50 60.30 2.30
6500
XL ✓ ◆ ✓ ✓ 3.29 304 37 19
50 60.30 2.90
6500
L ✓ ◆ ✓ ✓ ✓ 4.11 244 37 19
50 60.30 3.60
6500
M ✓ ◆ ✓ ✓ ✓ 5.03 199 37 19
50 60.30 4.50
6500
H ✓ ◆ ✓ ✓ ✓ 6.19 161 37 19
65 76.10 2.30
6500
XL ✓ ◆ ✓ ✓ 4.19 239 37 19
65 76.10 3.20
6500
L ✓ ◆ ✓ ✓ ✓ 5.75 174 37 19
65 76.10 3.60
6500
M ✓ ◆ ✓ ✓ ✓ 6.44 155 37 19
65 76.10 4.50
6500
H ✓ ◆ ✓ ✓ 7.95 126 37 19
80 88.90 2.60
6500
XL ✓ ◆ ✓ 5.53 181 19 10
80 88.90 3.20
6500
L ✓ ◆ ✓ ✓ ✓ 6.76 148 19 10
80 88.90 4.00
6500
M ✓ ◆ ✓ ✓ ✓ 8.38 119 19 10
80 88.90 5.00
6500
H ✓ ◆ ✓ ✓ ✓ 10.35 97 19 10
90 101.60 2.60
6500
H ✓ ◆ ✓ ✓ 6.35 158 19 10
90 101.60 3.20
6500
L ✓ ◆ ✓ ✓ ✓ 7.77 129 19 10
90 101.60 4.00
6500
M ✓ ◆ ✓ ✓ 9.63 104 19 10
90 101.60 5.00
6500
H ✓ ◆ ✓ ✓ 11.91 84 19 10
100 114.30 3.20
6500
XL ✓ ◆ ✓ ✓ ✓ 8.77 114 19 10
100 114.30 3.60
6500
L ✓ ◆ ✓ ✓ ✓ 9.83 102 19 10
100 114.30 4.50
6500
M ✓ ◆ ✓ ✓ ✓ 12.19 82 19 10
100 114.30 5.40
6500
H ✓ ◆ ✓ 14.50 69 19 10
125 139.70 3.00
6500
XL ✓ ◆ ✓ ✓ 10.11 99 13 7
125 139.70 3.50
6500
L ✓ ◆ ✓ ✓ ✓ 11.76 85 13 7
125 139.70 5.00
6500
M ✓ ◆ ✓ ✓ ✓ 16.61 60 13 7
125 139.70 5.40
6500
H ✓ ◆ ✓ 17.89 56 13 7
150 165.10 3.00
6500
XL ✓ ◆ ✓ ✓ ✓ 11.99 83 10 7
150 165.10 3.50
6500
L ✓ ◆ ✓ ✓ ✓ 13.95 72 10 7
150 165.10 5.00
6500
M ✓ ◆ ✓ ✓ ✓ 19.74 51 10 7
150 165.10 5.40
6500
H ✓ ◆ ✓ 21.27 47 10 7
Notes
  • Some 5.0mm ALLGAL sections available ex-rollings. Minimum order quantities (MOQ) apply.
  • Non standard sizes, surface finish and lengths available, subject to enquiry. Minimum order quantities (MOQ) apply.
  • C450L0 grade available for some sizes subject to enquiry. Minimum order quantities (MOQ) apply.
  • NOPC & OILED available upon enquiry.
  • Please contact your local Orrcon Steel Distribution Centre for MAXI-TUBE® products.

COATINGS & FINISHES

Painted (PTD)
Oiled
ALLGAL®

SQUARE HOLLOW SECTION INFO

Structural Steel Info

Standard Grade* Yield Strength Tensile Strength CHS RHS & SHS
    MPa (min) MPa (min) <15 15-30 >30 <15 15-30 >30
AS1163 C250/C250L0 250 320 18 20 22 14 16 18
  C350/C350L0 350 430 16 18 20 12 14 16
  C450/C450L0 450 500 12 14 16 10 12 14

Characteristic Pipe (CHS) Rectangular & Square (RHS / SHS)
External dimensions (d, b, d0) ±1% with minimum of ±0.5mm& maximum ±10% ±1% with minimum of ±0.5mm
Thickness (t) d≤406.4mm ±10% ±10%
  d>406.4mm ±10% with max of ±2mm  
All Sections has a mass not less than 96% of specified nominal mass

Characteristic All Sections
Corner Radius ≤50x50mm equivalent perimeter 1.5t to 3t
Corner Radius >50x50mm equivalent perimeter 1.8t to 3t
Twist (v) ≤2mm ±0.5mm/m length
Concavity / Convexity Max 0.8% or 0.5mm, whichever is greater
Squareness 90 ± 1°
  Pipe (CHS) Rectangle & Square (RHS/SHS)
Straightness 0.20% of total length 0.15% of total length0.15% of total length

RESOURCES TO HELP YOU

National Product Catalogue
Square Hollow Section
Structural Brochure

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