Structural Steel Pipe

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Structural Steel Pipe

Ordinary, the structural steel pipe (hollow structural tubing) is greatly applied in all kinds of building constructions, mechanical processing, transportation, airline, petroleum, natural gas, oil exploitation and other industries. It is also referred as structural seamless pipe in some place.
We mainly offer structural seamless pipes with outer diameter ranges from 114mm to 914mm, and with the pipe wall thickness ranges from 4mm to 60mm. The length of this structure steel pipe is customizable.

Diameter: 114MM-914MM
Thickness: 4MM-60MM
Length fo the Structural Steel Pipe: According to your requirements
Specification: 114-914MM×4-60MM
Type: Seamless steel pipe
Special hollow structural tubing: Regular and special thick-walled structure steel pipe, maximum thickness of up to 60MM are all available.
Fabrication Processing: Hot rolled and hot expanded

Standard: GB/T 8162—2008, GB/T 8163—2008, ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A210, ASTM A333, DIN1629, DIN2448, DIN17175, EN10216, EN10204, EN10297 to name a few..
Material: 20#, Q345B, ST52, S355JRH, ST37, 10#, A106/A53 GR.B

SChemical Composition and Mechanical Properties:

Trademark Chemical composition(%) Mechanical properties
C Si Mn P S Ni Cr Cu Yield strength Tensile strength Elongation
Grade Min Max Min Max Min Max Max Max MPa MPa δ(%)
20 0.17 0.24 0.17 0.37 0.35 0.65 0.035 0.035 0.30 0.25 0.25 245 390 20
45 0.42 0.50 0.17 0.37 0.50 0.80 0.035 0.035 ≤0.25 ≤0.25 ≤0.25 335 590 14
16Mn 0.12 0.20 0.20 0.55 1.20 1.60 0.035 0.035 ≤0.25 ≤0.25 ≤0.25 325 490 21
45Mn2 0.42 0.49 0.20 0.40 1.40 1.80 0.035 0.035 0.25 0.25 0.25 560 700 13
27SiMn 0.24 0.32 1.10 1.40 1.10 1.40 0.035 0.035 0.30 0.30 0.20 500 680 14

Notice: Special sizes of Structural Steel Pipe which customer required can be provided.

Cangzhou Haihua Steel Pipe Co.,Ltd, is the leading manufacturing and supplier of structural steel pipe (hollow structural tubing). More available products include seamless line pipe, low and medium pressure boiler tube, seamless hydraulic pipes and LSAW steel pipe, to name a few. Our structural steel pipe is manufactured in accordance with the standard of ISO9001:2000 quality management system. These structural steel pipe are highly recognized by customers from India, Iran, Kuwait, the United States, Canada, Switzerland, Syria, UAE, Italy, Brazil, Korea, and other countries.

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