SHANZHONG IRON AND STEEL (SHANDONG) CO..LTD.

GB/T8162 Seamless Steel Pipe

Seamless steel pipe for general structure (GB/T8162-2008) is a seamless steel pipe for general structure and mechanical structure.

Classification :

Carbon Steel Pipe

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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

Packing and delivery

It relies on its product, price, service and location advantages to establish long-term cooperation with many clients in North America, South America, Europe, Southeast Asia, the Middle East and Africa, and has established a business foundation in Peru, the Philippines, Russia and elsewhere.