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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.

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GB/T8162 Seamless Steel Pipe

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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

We have been deeply involved in the fields of infrastructure construction and underground engineering for a long time. Our core products are grouting pipe series and advanced small conduits. We are an indispensable supplier of key materials in tunnels, subways, mines, water conservancy and various construction projects.

Packaging and shipping

FAQ

Q: How long is your delivery time?

A: Generally, if it is in stock, it will take 5-10 days, if it is not in stock, it will take 30 days.

Q: Can we send samples?

A: We can provide samples for the products you are interested in.

Q: How do we ensure quality?

A: We conduct pre-production sample testing, accept third-party or customer inspection, and conduct final inspection before shipment.

Q: How do you ensure long-term relationships?

A: We maintain high quality and competitive prices to benefit our customers. Every client is treated as a friend, we do business with sincerity and strive to build lasting relationships, regardless of origin.

Service Phone

+86 18864878811

metalfactory@jiechuangsteel.com

Address

Liaocheng, Shandong, China

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Other Products

The company's main product is the hydraulic rotary actuator, which has the advantages of small external dimensions, large drive torque, and precise control of rotation angle

Carbon Steel Pipe