Carbon Steel Hollow Sections

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Carbon Steel Hollow Sections

High-Strength Carbon Steel Hollow Sections
High-Strength Carbon Steel Hollow Sections
High-Strength Carbon Steel Hollow Sections
High-Strength Carbon Steel Hollow Sections
High-Strength Carbon Steel Hollow Sections

Products：Square Hollow Section(SHS),Rectangular Hollow Section (RHS) 

Outer Diameter: 10*10-1200*1200mm or accept customisation

Wall Thickness: 0.5-60mm or accept customisation

Length: 0.5-26.5M or cut as your need

Tolerance: ±5% or as requirement

R-angle：Accept customisation

Surface Treatment：bare,oiled,painted,galvanized,etc.

Standards: ASTM A500/ASTM A501,ASTM A513,ASTM A53,ASTM A106,ASTM A572,ASTM A992,EN10219,EN10210,JIS G3466,AS1153,etc.

Grade: Gr.A/B/C,S235/275/355/420/460,A36,SS400,Q195/235/355,STKR400/490,300W/350W

  • Description
  • Specification
  • Standard
  • Process
  • Packing

I. Comprehensive Dimensional Range

We utilize advanced cold-forming and high-frequency welding technologies to produce a wide array of profiles:

Square Hollow Sections (SHS): 20mm x 20mm – 600mm x 600mm

Rectangular Hollow Sections (RHS): 20mm x 30mm – 400mm x 600mm

Circular Hollow Sections (CHS): 21.3mm – 1219mm (O.D.)

Wall Thickness (W.T.): 1.2mm – 50mm (Tailored to specific structural load requirements).


II. Global Standards & Material Compliance

Our production strictly adheres to international structural benchmarks, ensuring safety and global project compatibility:

European Standards: EN 10210 (Hot finished), EN 10219 (Cold formed).

American Standards: ASTM A500 Grade A/B/C/D, ASTM A501, ASTM A1085.

Australian Standards: AS/NZS 1163 (C250, C350, C450).

Japanese/Chinese Standards: JIS G3466, GB/T 6728, GB/T 3094.

Steel Grades: S235JR, S275J0H, S355J2H, S355K2H, Q235, Q355.

Dimensions and Sizes of Rectangular Hollow Section

Square Hollow Section Sizes Weight W. T. Rectangular Hollow Section Sizes Weight W. T.
[kg/m] [mm] [kg/m] [mm]
20 x 20 x 2 SHS 1.1 2 50 x 25 x 2.5 RHS 2.7 2.5
20 x 20 x 2.5 SHS 1.3 2.5 50 x 25 x 2.5 RHS 2.7 2.5
25 x 25 x 2 SHS 14 2 50 x 25 x 3 RHS 3.2 3
25 x 25 x 2.5 SHS 1.7 2.5 50 x 30 x 2.5 RHS 2.9 2.5
25 x 25 x 3 SHS 2 3 50 x 30 x 3 RHS 3.4 3
30 x 30 x 2 SHS 1.7 2 50 x 30 x 3.2 RHS 3.6 3.2
30 x 30 x 2.5 SHS 2.1 2.5 50 x 30 x 3.6 RHS 4 3.6
30 x 30 x 3 SHS 2.5 3 50 x 30 x 4 RHS 4.4 4
40 x 40 x 2.5 SHS 2.9 2.5 50 x 30 x 5 RHS 5.3 5
40 x 40 x 3 SHS 3.4 3 60 x 40 x 2.5 RHS 3.7 2.5
40 x 40 x 3.2 SHS 3.6 3.2 60 x 40 x 3 RHS 4.4 3
40 x 40 x 3.6 SHS 4 3.6 60 x 40 x 3.2 RHS 4.6 3.2
40 x 40 x 4 SHS 4.4 4 60 x 40 x 3.6 RHS 5.1 3.6
40 x 40 x 5 SHS 5.3 5 60 x 40 x 4 RHS 5.6 4
50 x 50 x 2.5 SHS 3.7 2.5 60 x 40 x 5 RHS 6.9 5
50 x 50 x 3 SHS 4.4 3 60 x 40 x 6 RHS 8 6
50 x 50 x 3.2 SHS 4.6 3.2 60 x 40 x 6.3 RHS 8.3 6.3
50 x 50 x 3.6 SHS 5.1 3.6 80 x 40 x 3 RHS 5.3 3
50 x 50 x 4 SHS 5.6 4 80 x 40 x 3.2 RHS 5.6 3.2
50 x 50 x 5 SHS 6.9 5 80 x 40 x 3.6 RHS 6.3 3.6
50 x 50 x 6 SHS 8 6 80 x 40 x 4 RHS 6.9 4
50 x 50 x 6.3 SHS 8.3 6.3 80 x 40 x 5 RHS 8.4 5
60 x 60 x 2.5 SHS 4.5 2.5 80 x 40 x 6 RHS 9.9 6
60 x 60 x 3 SHS 5.3 3 80 x 40 x 6.3 RHS 10.3 6.3
60 x 60 x 3.2 SHS 5.6 3.2 80 x 40 x 8 RHS 12.5 8
60 x 60 x 3.6 SHS 6.3 3.6 90 x 50 x 3 RHS 6.2 3
60 x 60 x 4 SHS 6.9 4 90 x 50 x 3.2 RHS 6.6 3.2
60 x 60 x 5 SHS 8.4 5 90 x 50 x 3.6 RHS 7.4 3.6
60 x 60 x 6 SHS 9.9 6 90 x 50 x 4 RHS 8.2 4
60 x 60 x 6.3 SHS 10.3 6.3 90 x 50 x 5 RHS 10 5
60 x 60 x 8 SHS 12.5 8 90 x 50 x 6 RHS 11.8 6
70 x 70 x 3 SHS 6.2 3 90 x 50 x 6.3 RHS 12.3 6.3
70 x 70 x 3.2 SHS 6.6 3.2 90 x 50 x 8 RHS 15 8
70 x 70 x 3.6 SHS 7.4 3.6 100 x 50 x 3 RHS 6.7 3
70 x 70 x 4 SHS 8.2 4 100 x 50 x 3.2 RHS 7.1 3.2
70 x 70 x 5 SHS 10 5 100 x 50 x 3.6 RHS 8 3.6
70 x 70 x 6 SHS 11.8 6 100 x 50 x 4 RHS 8.8 4
70 x 70 x 6.3 SHS 12.3 6.3 100 x 50 x 5 RHS 10.8 5
70 x 70 x 8 SHS 15 8 100 x 50 x 6 RHS 12.7 6
80 x 80 x 3 SHS 7.2 3 100 x 50 x 6.3 RHS 13.3 6.3
80 x 80 x 3.2 SHS 7.6 3.2 100 x 50 x 8 RHS 16.3 8
80 x 80 x 3.6 SHS 8.5 3.6 100 x 60 x 3 RHS 7.2 3
80 x 80 x 4 SHS 9.4 4 100 x 60 x 3.2 RHS 7.6 3.2
80 x 80 x 5 SHS 11.6 5 100 x 60 x 3.6 RHS 8.5 3.6
80 x 80 x 6 SHS 13.6 6 100 x 60 x 4 RHS 9.4 4
80 x 80 x 6.3 SHS 14.2 6.3 100 x 60 x 5 RHS 11.6 5
80 x 80 x 8 SHS 17.8 8 100 x 60 x 6 RHS 13.6 6
90 x 90 x 5 SHS 13.1 5 100 x 60 x 6.3 RHS 14.2 6.3
90 x 90 x 6 SHS 15.5 6 100 x 60 x 8 RHS 17.5 8
90 x 90 x 6.3 SHS 16.2 6.3 120 x 60 x 3.6 RHS 9.7 3.6
90 x 90 x 8 SHS 20.1 8 120 x 60 x 4 RHS 10.7 4
100 x 100 x 3.6 SHS 10.8 3.6 120 x 60 x 5 RHS 13.1 5
100 x 100 x 4 SHS 11.9 4 120 x 60 x 6 RHS 15.5 6
100 x 100 x 5 SHS 14.7 5 120 x 60 x 6.3 RHS 16.2 6.3
100 x 100 x 6 SHS 17.4 6 120 x 60 x 8 RHS 20.1 8
100 x 100 x 6.3 SHS 18.2 6.3 120 x 60 x 10 RHS 24.6 10
100 x 100 x 8 SHS 22.6 8 120 x 80 x 3.6 RHS 10.8 3.6
100 x 100 x 10 SHS 27.4 10 120 x 80 x 4 RHS 11.9 4
120 x 120 x 4 SHS 14.4 4 120 x 80 x 5 RHS 14.7 5
120 x 120 x 5 SHS 18 5 120 x 80 x 6 RHS 17.4 6
120 x 120 x 6 SHS 21.2 6 120 x 80 x 6.3 RHS 18.2 6.3
120 x 120 x 6.3 SHS 22.2 6.3 120 x 80 x 8 RHS 22.6 8
120 x 120 x 8 SHS 27.6 8 120 x 80 x 10 RHS 27.4 10
120 x 120 x 10 SHS 33.7 10 140 x 80 x 4 RHS 13.2 4
120 x 120 x 12 SHS 39.5 12 140 x 80 x 5 RHS 16.3 5
120 x 120 x 12.5 SHS 40.9 12.5 140 x 80 x 6 RHS 19.3 6
140 x 140 x 5 SHS 21 5 140 x 80 x 6.3 RHS 20.2 6.3
140 x 140 x 6 SHS 24.9 6 140 x 80 x 8 RHS 25.1 8
140 x 140 x 6.3 SHS 26.1 6.3 140 x 80 x 10 RHS 30.6 10
140 x 140 x 8 SHS 32.6 8 150 x 100 x 4 RHS 15.1 4
140 x 140 x 10 SHS 40 10 150 x 100 x 5 RHS 18.6 5
140 x 140 x 12 SHS 47 12 150 x 100 x 6 RHS 22.1 6
140 x 140 x 12.5 SHS 48.7 12.5 150 x 100 x 6.3 RHS 23.1 6.3
150 x 150 x 5 SHS 22.6 5 150 x 100 x 8 RHS 28.9 8
150 x 150 x 6 SHS 26.8 6 150 x 100 x 10 RHS 35.3 10
150 x 150 x 6.3 SHS 28.1 6.3 150 x 100 x 12 RHS 41.4 12
150 x 150 x 8 SHS 35.1 8 150 x 100 x 12.5 RHS 42.8 12.5
150 x 150 x 10 SHS 43.1 10 160 x 80 x 4 RHS 14.4 4
150 x 150 x 12 SHS 50.8 12 160 x 80 x 5 RHS 17.8 5
150 x 150 x 12.5 SHS 52.7 12.5 160 x 80 x 6 RHS 21.2 6
150 x 150 x 16 SHS 65.2 16 160 x 80 x 6.3 RHS 22.2 6.3
160 x 160 x 5 SHS 24.1 5 160 x 80 x 8 RHS 27.6 8
160 x 160 x 6 SHS 28.7 6 160 x 80 x 10 RHS 33.7 10
160 x 160 x 6.3 SHS 30.1 6.3 160 x 80 x 12 RHS 39.5 12
160 x 160 x 8 SHS 37.6 8 160 x 80 x 12.5 RHS 40.9 12.5
160 x 160 x 10 SHS 46.3 10 180 x 100 x 4 RHS 16.9 4
160 x 160 x 12 SHS 54.6 12 180 x 100 x 5 RHS 21 5
160 x 160 x 12.5 SHS 56.6 12.5 180 x 100 x 6 RHS 24.9 6
160 x 160 x 16 SHS 70.2 16 180 x 100 x 6.3 RHS 26.1 6.3
180 x 180 x 5 SHS 27.3 5 180 x 100 x 8 RHS 32.6 8
180 x 180 x 6 SHS 32.5 6 180 x 100 x 10 RHS 40 10
180 x 180 x 6.3 SHS 34 6.3 180 x 100 x 12 RHS 47 12
180 x 180 x 8 SHS 42.7 8 180 x 100 x 12.5 RHS 48.7 12.5
180 x 180 x 10 SHS 52.5 10 200 x 100 x 4 RHS 18.1 4
180 x 180 x 12 SHS 62.1 12 200 x 100 x 5 RHS 22.6 5
180 x 180 x 12.5 SHS 64.4 12.5 200 x 100 x 6 RHS 26.8 6
180 x 180 x 16 SHS 80.2 16 200 x 100 x 6.3 RHS 28.1 6.3
200 x 200 x 5 SHS 30.4 5 200 x 100 x 8 RHS 35.1 8
200 x 200 x 6 SHS 36.2 6 200 x 100 x 10 RHS 43.1 10
200 x 200 x 6.3 SHS 38 6.3 200 x 100 x 12 RHS 50.8 12
200 x 200 x 8 SHS 47.7 8 200 x 100 x 12.5 RHS 52.7 12.5
200 x 200 x 10 SHS 58.8 10 200 x 100 x 16 RHS 65.2 16
200 x 200 x 12 SHS 69.6 12 200 x 120 x 6 RHS 28.7 6
200 x 200 x 12.5 SHS 72.3 12.5 200 x 120 x 6.3 RHS 29.9 6.3
200 x 200 x 16 SHS 90.3 16 200 x 120 x 8 RHS 37.3 8
220 x 220 x 6 SHS 40 6 200 x 120 x 10 RHS 45.9 10
220 x 220 x 6.3 SHS 41.9 6.3 200 x 120 x 12 RHS 54.5 12
220 x 220 x 8 SHS 52.7 8 200 x 120 x 12.5 RHS 55.7 12.5
220 x 220 x 10 SHS 65.1 10 250 x 150 x 5 RHS 30.4 5
220 x 220 x 12 SHS 77.2 12 250 x 150 x 6 RHS 36.2 6
220 x 220 x 12.5 SHS 80.1 12.5 250 x 150 x 6.3 RHS 38 6.3
220 x 220 x 16 SHS 100 16 250 x 150 x 8 RHS 47.7 8
250 x 250 x 5 SHS 38.3 5 250 x 150 x 10 RHS 58.8 10
250 x 250 x 6 SHS 45.7 6 250 x 150 x 12 RHS 69.6 12
250 x 250 x 6.3 SHS 47.9 6.3 250 x 150 x 12.5 RHS 72.3 12.5
250 x 250 x 8 SHS 60.3 8 250 x 150 x 16 RHS 90.3 16
250 x 250 x 10 SHS 74.5 10 260 x 180 x 6 RHS 40 6
250 x 250 x 12 SHS 88.5 12 260 x 180 x 6.3 RHS 41.9 6.3
250 x 250 x 12.5 SHS 91.9 12.5 260 x 180 x 8 RHS 52.7 8
250 x 250 x 16 SHS 115 16 260 x 180 x 10 RHS 65.1 10
260 x 260 x 6 SHS 47.6 6 260 x 180 x 12 RHS 77.2 12
260 x 260 x 6.3 SHS 49.9 6.3 260 x 180 x 12.5 RHS 80.1 12.5
260 x 260 x 8 SHS 62.8 8 260 x 180 x 16 RHS 100 16
260 x 260 x 10 SHS 77.7 10 300 x 200 x 5 RHS 38.3 5
260 x 260 x 12 SHS 92.2 12 300 x 200 x 6 RHS 45.7 6
260 x 260 x 12.5 SHS 95.8 12.5 300 x 200 x 6.3 RHS 47.9 6.3
260 x 260 x 16 SHS 120 16 300 x 200 x 8 RHS 60.3 8
300 x 300 x 6 SHS 55.1 6 300 x 200 x 10 RHS 74.5 10
300 x 300 x 6.3 SHS 57.8 6.3 300 x 200 x 12 RHS 88.5 12
300 x 300 x 8 SHS 72.8 8 300 x 200 x 12.5 RHS 91.9 12.5
300 x 300 x 10 SHS 90.2 10 300 x 200 x 16 RHS 115 16
300 x 300 x 12 SHS 107 12 350 x 250 x 6 RHS 55.1 6
300 x 300 x 12.5 SHS 112 12.5 350 x 250 x 6.3 RHS 57.8 6.3
300 x 300 x 16 SHS 141 16 350 x 250 x 8 RHS 72.8 8
350 x 350 x 8 SHS 85.4 8 350 x 250 x 10 RHS 90.2 10
350 x 350 x 10 SHS 106 10 350 x 250 x 12 RHS 107 12
350 x 350 x 12 SHS 126 12 350 x 250 x 12.5 RHS 112 12.5
350 x 350 x 12.5 SHS 131 12.5 350 x 250 x 16 RHS 141 16
350 x 350 x 16 SHS 166 16 400 x 200 x 6 RHS 55.1 6
400 x 400 x 8 SHS 97.9 8 400 x 200 x 6.3 RHS 57.8 6.3
400 x 400 x 10 SHS 122 10 400 x 200 x 8 RHS 72.8 8
400 x 400 x 12 SHS 145 12 400 x 200 x 10 RHS 90.2 10
400 x 400 x 12.5 SHS 151 12.5 400 x 200 x 12 RHS 107 12
400 x 400 x 16 SHS 191 16 400 x 200 x 12.5 RHS 112 12.5
400 x 400 x 20 SHS 235 20 400 x 200 x 16 RHS 141 16
500 x 500 x 10 SHS 153.9 10 450 x 250 x 8 RHS 85.4 8
500 x 500 x 12 SHS 183.9 12 450 x 250 x 10 RHS 106 10
500 x 500 x 16 SHS 243.2 16 450 x 250 x 12 RHS 126 12
500 x 500 x 18 SHS 272.4 18 450 x 250 x 12.5 RHS 131 12.5
500 x 500 x 20 SHS 301.4 20 450 x 250 x 16 RHS 166 16
600 x 600 x 14 SHS 257.6 14 500 x 300 x 8 RHS 97.9 8
600 x 600 x 16 SHS 293.4 16 500 x 300 x 10 RHS 122 10
600 x 600 x 18 SHS 328.9 18 500 x 300 x 12 RHS 145 12
800 x 800 x 22 SHS 537.4 22 500 x 300 x 12.5 RHS 151 12.5
800 x 800 x 24 SHS 584.8 24 500 x 300 x 16 RHS 191 16
800 x 800 x 28 SHS 678.7 28 500 x 300 x 20 RHS 235 20

Hollow Section Standards Tolerance Comparison

Standard Outside Dimensions (B,H) Wall Thickness (t) Length (L)
ASTM A500(Cold-Formed)

≤2 1/2": ±0.020 in (0.5 mm

>2 1/2 to 3 1/2": ±0.025 in

>3 1/2 to 5 1/2": ±0.030 in

>5 1/2": ±1%

±10% of nominal wall thickness Fixed Length:+1/2 in / −1/4 in(+12.7 mm / −6.4 mm)
EN 10219(Cold-Formed)

B,H<100 mm: ±1% (min ±0.5 mm

100≤B,H≤200 mm: ±0.8% 

B,H>200 mm: ±0.6%

t≤5 mm: ±10%

t>5 mm: ±0.5 mm

Fixed Length:<6000 mm: +10/0 mm

≥6000 mm: +15/0 mm

EN 10210(Hot-Finished) ±1% (minimum ±0.5 mm) Individual: −10%Mean (4 sides): ±10%

Fixed Length:<6000 mm: +10/0 m

 ≥6000 mm: +15/0 mm

EN 10025(Hot-Rolled) Typically follows EN 10210 for hollow sections or specific product standards (e.g., EN 10056 for angles/EN 10279 for channels). Generally ±10% (varies by specific section profile) Standard:+100 mm / −0 mm (unless specified)


Structural Steel Pipe Standards Comparison

    Chemical Components (%) Mechanical Properties Impact Test
Standard Grade C (%) max Mn (%) max P (%) max S (%) max Yield Strength (MPa) min Tensile Strength (MPa) min CVN Impact Energy (J) min
ASTM A500 Grade A 0.26 - 0.035 0.035 270 310 Not Required
Grade B 0.26 - 0.035 0.035 315 400 Not Required
Grade C 0.23 1.35 0.035 0.035 345 425 Not Required
EN 10219 S235JRH 0.17 1.4 0.04 0.04 235 360 – 510 27 J @ 20°C
S275J0H 0.2 1.5 0.035 0.035 275 410 – 560 27 J @ 0°C
S275J2H 0.2 1.5 0.03 0.03 275 410 – 560 27 J @ −20°C
S355J0H 0.22 1.6 0.035 0.035 355 470 – 630 27 J @ 0°C
S355J2H 0.22 1.6 0.03 0.03 355 470 – 630 27 J @ −20°C
EN 10210 S235JRH 0.17 1.4 0.035 0.035 235 360 – 510 27 J @ 20°C
S275J0H 0.2 1.5 0.03 0.03 275 410 – 560 27 J @ 0°C
S355J2H 0.22 1.6 0.025 0.025 355 470 – 630 27 J @ −20°C
S355NH 0.2 0.90–1.65 0.03 0.025 355 470 – 630 40 J @ −20°C
EN 10025-2 S235JR 0.17 1.4 0.035 0.035 235 360 – 510 27 J @ 20°C
S275JR 0.21 1.5 0.035 0.035 275 410 – 560 27 J @ 20°C
S355JR 0.24 1.6 0.035 0.035 355 470 – 630 27 J @ 20°C
S355K2 0.2 1.6 0.025 0.025 355 470 – 630 40 J @ −20°C

Square And Rectangular Tube Production Process

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