Product Details

JIS 3445 STKM 11A/12B/13C Seamless Steel Pipe and Tube

Quality first is our purpose all the time. We believe that no quality

guarantee, no survive for our company

Product Description

The Chemical Composition of the Japanese standard material:

Chemical Composition(%)
Material	C	Si	Mn	Cr	Ni	Cu	P	S
S10C	0.07-0.13	0.17-0.37	0.35-0.65	≤0.25	≤0.30	≤0.25	≤0.035	≤0.035
S20C	0.17-0.23	0.17-0.37	0.35-0.65	≤0.25	≤0.30	≤0.25	≤0.035	≤0.035

Standard	Steel Grade	Chemical Composition(%)
		C	Si	Mn	P	S
JIS G3445	STKM11A	≤0.12	≤0.35	≤0.60	≤0.040	≤0.040
	STKM12A	≤0.20	≤0.35	≤0.60	≤0.040	≤0.040
	STKM12B
	STKM12C
	STKM13A	≤0.25	≤0.35	0.30-0.90	≤0.040	≤0 .040
	STKM13B
	STKM13C

Some detailed information about our products:

1.Seamless steel pipe

2.Standard: GB/T8162, DIN 2391, EN 10305, ASTM A519 and JIS G3445
3.Application:For ordinary structure, auto mechanical structure
4.Main Steel Grade:10#, 20#, SAE1010, SAE1020, STKM 11A, STKM 12B and STKM13C etc.
5.Mechanical Properties :

Standard	Steel Grade	Tensile Strength (MPa)	Yield Point (MPa)	Elongation(%)
GB/T8162	10	≥335	≥205	≥24
GB/T8162	20	≥390	≥245	≥20
JIS G3445	STKM13A	≥375	≥215	≥30
JIS G3445	STKM13B	≥440	≥305	≥20

Standard	Steel Grade	Mechanical Properties
Standard	Steel Grade	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)
JIS G3445	STKM11A	≥295	--	≥35
	STKM12A	≥345	≥175	≥35
	STKM12B	≥390	≥275	≥25
	STKM12C	≥470	≥355	≥20
	STKM13A	≥375	≥215	≥30
	STKM13B	≥440	≥305	≥20
	STKM13C	≥510	≥380	≥15