Product Description

seamless steel pipe A106 GrB 20# c20
 
1.Standard:
GB8162-2008   GB/T8163-2008   GB3087-2008   GB9948-2006   GB5310-2008
 
2.Chemical composition
C :0.17%~0.2% Si:0.17%~0.37%  Mn:0.35%~0.65%  S :≤0.035%  P :≤0.035%  Cr:≤0.25% Ni:≤0.25%  Cu:≤0.25%
 
3.Mechanical property
Tensile strength σb (MPa):≥410(42),Yield strength σs (MPa):≥245(25) Elongation δ5 (%):≥25 Reduction area  ψ (%):≥5
 
4.Processing
Hot-rolled (extruded seamless pipe): round tube → heating → perforation → three-roll rolling, rolling or extrusion → → set off the pipe diameter (or reducing) → cooling → → straightening → billet tube inspection Wall thickness → hydrostatic test (or testing) → mark → storage.
 
5.Delivery condition:hot rolled
 
6.Size offer:
OD:20-356   Thickness:5-70mm,Length:3-5.8m, or as required
 
7.MOQ:25mt
 
8.Delivery time: within 15 days upon deposit
 
9.Payment term:L/C or T/T
 
10.Packing: by bundles with iron strip
 
11.Application
1.  Low and middle pressure fluid transportation pipeline
2.  Casing Pipe, Boiler Pipe
3.Structure
4.   Petroleum and natural gas industry
5.  Chemistry industry & Electric industry

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
ASTM A519	1020	0.18-0.23	/	0.30-0.60	≤0.040	/	/	/	/
	1045	0.43-0.50	/	0.60-0.90	≤0.040	/	/	/	/
	1541	0.36-0.44	/	1.35-1.65	≤0.040	/	/	/	/
EN10297-1	E275	≤0.21	≤0.35	≤1.40	≤0.030	/	/	/	/
	E315	≤0.21	≤0.30	≤1.50	≤0.030	/	/	/	/
	34CrMo4	0.30-0.37	≤0.40	0.60-0.90	≤0.035	/	/	0.15-0.30	0.90-1.20
	42CrMo4	0.38-0.45	≤0.40	0.60-0.90	≤0.035	/	/	0.15-0.30	0.90-1.20
JIS G3445	STKM13A	≤0.25	≤0.35	≤0.60	≤0.040	/	/	/	/
	STKM13B	≤0.25	≤0.35	≤0.60	≤0.040	/	/	/	/