Product Details

B,X42,X52,X60,X65,X70 L245 L290 L320 L360 L390 L450 L485 steel pipe for gas,oil and water pipline

Standard: API SPEC 5 L

use: used to oil,Natural gas Industrial gas, water and oil transfer of API SPEC 5 l - 2011, is The American petroleum institute,Compile and publish, common all over the world.Line pipe, the shaft is out of the ground of the oil, gas or water, through the pipeline ductules into oil and gas industry enterprises.Line pipe including both seamless and welded pipe, the pipe end with flat end, threaded end and socket end;Its connection mode for stud welding, coupling connection, socket connection, etc.The main material for B, X42, X46, X56, X65 and X70 steel grade.Our company in August 2009 by the United States API certification (API 5 ct and API 5 l).

Mechanical properties:


standard	brand	Tensile strength(MPa)	The yield strength(MPa)	showed	elongation(%)	0 ℃Impact energy	Heat treatment state
standard	brand	Tensile strength(MPa)	The yield strength(MPa)	showed	elongation(%)	Akv(J)	Heat treatment state
API SPEC 5L	B	P 415	245 ~ 440	0.80 or less	22	40 or higher	normalizing
GB/T9711.2	B	P 415	245 ~ 440	0.80 or less	22	40 or higher	normalizing
X42		P 415	290 ~ 440	0.80 or less	21	40 or higher	normalizing
X52		P 460	360 ~ 510	0.85 or less	20	40 or higher	normalizing
X60	P 520	415 ~ 565	0.85 or less	18	40 or higher	normalizing
X65	P 535	450 ~ 570	0.90 or less	18	40 or higher	Quenching + tempering
X70	P 570	485 ~ 605	0.90 or less	18	40 or higher	Quenching + tempering

Chemical composition:


standard	Grade	Chemical composition (%)	CEV(%)
	C	si	Mn	P	S	V	Nb	Ti
API SPEC 5L	B	0.16 or less	0.40 or less	1.10 or less	0.020 or less	0.010 or less	-	-	-	0.42 or less
GB/T9711.2	B	0.16 or less	0.40 or less	1.10 or less	0.020 or less	0.010 or less	-	-	-	0.42 or less
X42	0.17 or less	0.40 or less	1.20 or less	0.020 or less	0.010 or less	0.05 or less	0.05 or less	0.04 or less	0.42 or less
X52	0.20 or less	0.45 or less	1.60 or less	0.020 or less	0.010 or less	0.10 or less	0.05 or less	0.04 or less	0.45 or less
X60	0.21 or less	0.45 or less	1.60 or less	0.020 or less	0.010 or less	0.15 or less	0.05 or less	0.04 or less	agreement
X65	0.16 or less	0.45 or less	1.60 or less	0.020 or less	0.010 or less	0.06 or less	0.05 or less	0.06 or less	0.45 or less
X70	0.16 or less	0.45 or less	1.70 or less	0.020 or less	0.010 or less	0.06 or less	0.05 or less	0.06 or less	0.45 or less