API SPEC 5L

API SPEC 5L is a pipeline standard of American Petroleum Institute. The purpose of establishing this standard is to provide an applicable standard for petroleum and natural gas industries like gas, water and oil tube. This standard applies to seamless steel pipe and welded steel tube including common port, thread port, socket port and direct stream port of steel pipe and TFL. Although the steel pipe of common port is mainly used for ring butt welding in the site, the manufacturer doesn’t take any responsibility for the welding site.

Standards:API SPEC 5L-API
Standard:GB/T9711.2-CNS
Application: A wide application in oil and natural gas industry like oxygen, water and oil delivery pipes
Modelsd: B, X42, X52, X60, X65, X70

Features Specifications:
OD(mm)	Wall Thickness Unit(mm)
	2	2.5	3	3.5	4	4.5	5	6	6.5-7	7.5-8	8.5-9	9.5-10	11	12
Φ25-Φ28	●	●	●	●	●	●
Φ32		●	●	●	●	●	●
Φ34-Φ36		●	●	●	●	●	●
Φ38		●	●	●	●	●	●
Φ40			●	●	●	●	●
Φ42			●	●	●	●	●
Φ45			●	●	●	●	●	●
Φ48-Φ60			●	●	●	●	●	●	●
Φ63.5				●	●	●	●	●	●	●
Φ68-Φ73					●	●	●	●	●	●
Φ76					●	●	●	●	●	●	●	●	●	●
Φ80					●	●	●	●	●	●	●	●	●	●
Φ83					●	●	●	●	●	●	●	●	●	●
Φ89					●	●	●	●	●	●	●	●	●	●
Φ95					●	●	●	●	●	●	●	●	●	●
Φ102					●	●	●	●	●	●	●	●	●	●
Φ108					●	●	●	●	●	●	●	●	●	●
Φ114						●	●	●	●	●	●	●	●	●
Φ121						●	●	●	●	●	●	●	●	●
Φ127						●	●	●	●	●	●	●	●	●
Φ133						●	●	●	●	●	●	●	●	●
Φ140							●	●	●	●	●	●	●	●
Φ146							●	●	●	●	●	●	●	●
Φ152							●	●	●	●	●	●	●	●
Φ159							●	●	●	●	●	●	●	●
Φ168							●	●	●	●	●	●	●	●

API SPEC 5L Pipeline Seamless Steel Pipes
Application	It is used for conveying gas,water,and petroleum of both the oil and natural gas industries.
Size(mm)	O.D.:21.3-177.8 W.T.:2.77-35 L:max 12000

Grade and Chemical Composition (%)
Standard	Grade	Chemical Composition(%)
	Grade	C	Mn	P	S
	B	≤0.28	≤1.20	≤0.030	≤0.030
	X42	≤0.28	≤1.30	≤0.030	≤0.030
	X46,X52	≤0.28	≤1.40	≤0.030	≤0.030

Mechanical Properties(MPa)(PSL1):
Standard	Grade	(MPa)		(MPa)		A%
API SPEC 5L	PSL1
	≥
		psi	MPa	psi	MPa	MIN(%)
	B	35,000	241	60,000	414	21~27
	X42	42,000	290	60,000	414	21~27
	X46	46,000	317	63,000	434	20~26
	X52	52,000	359	66,000	455	20~24

Grade and Chemical Composition(%)
Standard	Grade	(MPa)		(MPa)		A%	(J)
API SPEC 5L	PSL2
		Min	Max	Min	Max		Min
	B	241	448	414	758	21~27	41(27)
	X42	290	496	414	758	21~27	41(27)
	X46	317	524	434	758	20~26	41(27)
	X52	359	531	455	758	20~24	41(27)

Mechanical Properties(MPa)(PSL2): Standard
Grade	Chemical Composition(%)
Grade	C	Mn	TI	P	S
B	≤0.24	≤1.20	≤0.04	≤0.025	≤0.015
X42	≤0.24	≤1.30	≤0.04	≤0.025	≤0.015
X46,X52	≤0.24	≤1.40	≤0.04	≤0.025	≤0.015

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API SPEC 5L