GB/T8162 Seamless Steel Pipe

PRODUCT DESCRIPTION

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 NameGB/T8162 Seamless Steel Pipe
StandardEN/DIN/JIS/ASTM/BS/ASME/AISI etc.
Outer DiameterSeamless: 1/4"-36"Welding: 21.3mm-3620mm
Round Tube: 1/2"-10"Square Tube/Rectangular Tube: 15x15mm-400x600mm
Wall ThicknessSeamless: 1.25mm-50mmWelding: 1.65mm-65mm
Length3-12 meters, Support customization
Surface ProcessBright, Polished, Black
Other ServicesMachining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

 

Chemical Composition

GradeCSiMnP, SCuNiMoCr
100.07～0.140.17～0.370.35～0.65≤ 0.035≤0.25≤0.25/≤ 0.15
200.17～0.240.17～0.370.35～0.65≤ 0.035≤0.25≤0.25/≤0.25
350.32～0.400.17～0.370.50～0.80≤ 0.035≤0.25≤0.25/≤0.25
450.42～0.500.17～0.370.50～0.80≤ 0.035≤0.25≤0.25/≤0.25
16Mn0.12～0.200.20～0.551.20～1.60≤ 0.035≤0.25≤0.25/≤0.25
12CrMo0.08～0.150.17～0.370.40～0.70≤ 0.035≤0.25≤0.300.40～0.550.40～0.70
15CrMo0.12～0.180.17～0.370.40～0.70≤ 0.035≤0.25≤0.300.40～0.550.80～1.10
12Cr1MoV0.08～0.150.17～0.370.40～0.70≤ 0.035≤0.25≤0.300.25～0.350.90～1.20

 

Mechanical Properties

GradeTensile 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


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