Specifications

A106 grade B Seamless Steel Pipe 1:ASTM A106/A53-B API5L-B 2:OD:34-406mmWT:2-80 3:ISO& API,BV

ASTM A106-B ASTM A53-B API 5L-B

API 5L, X42, X52,  and 5CT ,J55 ,K55
SAE1020 ,SAE1045 
JIS G4051, S20C ,S45C, JIS G3454, JIS 3454 ,STPG42 
DIN 17175 ST 45-8, ST 52 
(5) Tolerate: 
OD :+1% / -1%  WT: +12.5% / -10% 
(6) Technics : hot rolled .or cold rolled 
(7) Packing : paint,bundles or for the clients’ needs

(8) Application field:Transportation of oil,gas or fluid,Construction,Electricity,Machine building industy,Chemical industy,Petroleum,Traffic.

Standard	grade	chemical composition(%)
		C	Si	Mn	P	S	Cu	Ni	Mo	Cr
DIN 17175	ST37 ST35.8	0.07~0.14	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.15
ASTM A106 ASTM A53 API  5L	B	0.17~0.24	0.17~0.37	0.35~0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25
DIN 17175	ST42 ST45	0.42~0.50	0.17~0.37	0.50~0.80	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25
DIN 1629	Q345 ST52	0.12~0.20	0.20~0.55	1.20~1.60	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25