Carbon Steel Pipe
Carbon Steel Pipe
GB/T8162 Seamless Steel Pipe
This standard applies to seamless steel tubes for general structural and mechanical structures. The main production of steel pipe grade includes Gr 10, Gr 20, Gr 35, Gr 45, Q345, 15CrMo, and 12Cr1MoV.
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GB/T8162 Seamless Steel Pipe Description
Seamless steel pipe for general structure (GB/T8162-2008) is a seamless steel pipe for general structure and mechanical structure.
Product Parameters
Product Name GB/T8162 Seamless Steel Pipe Standard EN/DIN/JIS/ASTM/BS/ASME/AISI etc. Outer Diameter Seamless: 1/4"-36" Welding: 21.3mm-3620mm Round Tube: 1/2"-10" Square Tube/Rectangular Tube: 15x15mm-400x600mm Wall Thickness Seamless: 1.25mm-50mm Welding: 1.65mm-65mm Length 3-12 meters, Support customization Surface Process Bright, Polished, Black Other Services Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.
Chemical Composition
Grade C Si Mn P, S Cu Ni Mo Cr 10 0.07～0.14 0.17～0.37 0.35～0.65 ≤ 0.035 ≤0.25 ≤0.25 / ≤ 0.15 20 0.17～0.24 0.17～0.37 0.35～0.65 ≤ 0.035 ≤0.25 ≤0.25 / ≤0.25 35 0.32～0.40 0.17～0.37 0.50～0.80 ≤ 0.035 ≤0.25 ≤0.25 / ≤0.25 45 0.42～0.50 0.17～0.37 0.50～0.80 ≤ 0.035 ≤0.25 ≤0.25 / ≤0.25 16Mn 0.12～0.20 0.20～0.55 1.20～1.60 ≤ 0.035 ≤0.25 ≤0.25 / ≤0.25 12CrMo 0.08～0.15 0.17～0.37 0.40～0.70 ≤ 0.035 ≤0.25 ≤0.30 0.40～0.55 0.40～0.70 15CrMo 0.12～0.18 0.17～0.37 0.40～0.70 ≤ 0.035 ≤0.25 ≤0.30 0.40～0.55 0.80～1.10 12Cr1MoV 0.08～0.15 0.17～0.37 0.40～0.70 ≤ 0.035 ≤0.25 ≤0.30 0.25～0.35 0.90～1.20
Mechanical Properties
Grade Tensile Strength(MPa) Yield Strength(MPa) Elongation(%) 10 ≥ 335 ≥ 205 ≥ 24 20 ≥ 390 ≥ 245 ≥ 20 35 ≥ 510 ≥ 305 ≥ 17 45 ≥ 590 ≥ 335 ≥ 14 16Mn ≥ 490 ≥ 325 ≥ 21 12CrMo ≥ 410 ≥ 265 ≥ 24 15CrMo ≥ 440 ≥ 295 ≥ 22 12Cr1MoV ≥ 490 ≥ 245 ≥ 22
Scope of Application
Seamless steel tubes for the manufacture of pipes, vessels, equipment, fittings and mechanical structures
