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).

  • Square Hollow Section
  • Square Hollow Section
  • Square Hollow Section
  • Square Hollow Section
  • Square Hollow Section
Square Hollow Section
Square Hollow Section
Square Hollow Section
Square Hollow Section
Square Hollow Section

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
AS/NZS 1163 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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