GB/T8162 Seamless Steel Pipe

GB/T8162 seamless steel pipe 

Application: Suitable for general structure, seamless steel pipe for mechanical structure.

Steel Grade:10、20、35、45、16Mn、12CrMo、15CrMo、12Cr1MoV.

Mechanical properties:

Standard	Steel grade	Tensile strength (MPa)	Yield strength (MPa)	Elongation (%)
GB/T8162	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

Chemical compositions:

Standard	Steel grade	Chemical composition
		C	Si	Mn	P、S	Cu	Ni	Mo	Cr
GB/T8162	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