API 5L PSL1 X56 line pipe

API 5L PSL1 X56 steel pipe is for petroleum and natural gas industries’ pipeline transportation systems. API 5L X56 line pipe (Seamless and welded pipe) of all grades have PSL1 and PSL2 two product specifications. The required minimum yield strength for API 5L PSL1 X56 (L390) line pipe is 56,600 psi or 390 Mpa while the minimum tensile strength is around 71,100 psi or 490 Mpa.

API 5L PSL1 X56 line pipe size

Standard	Specification for Line Pipe(ANSI/API specification 5L - 44th Edition, October 1, 2007)
Line pipe sizes	Nominal Pipe Size 1/2" to 48 " O.D.
Wall thickness	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XS, SCH XXS, All API 5L X56 Pipe Thickness available
Pipe ends	Plain, Bevel, Screwed, Threaded l245 pipe
Manufacturing types	Seamless / ERW / Welded / Fabricated / CDW
Application & uses	Conveying gas, water, oil, and other liquids

 

 
The technical data of API 5L PSL1 X56 line pipe
It is given based on API Spec 5L-2007 version. Below are the chemical composition and mechanical properties of seamless type API 5L PSL1 line pipe.


Chemical composition(a, %) of API 5L PSL1 X56 seamless pipe  

C max.	Mn max.	P max.	S max.	V max.	Nb max.	Ti max.
0.28	1.40	0.030	0.030	d	d	d

a, Cu≤0.50; Ni≤0.50; Cr≤0.50; and Mo≤0.15;
c, Unless otherwise agreed,Nb+V≤0.06;
d, Nb+V+Ti≤0.15;


Mechanical properties of of API 5L PSL1 X56 seamless pipe

Pipe grade	Yield Strength, Rt0.5 Min (MPa)	Tensile Strength, Rm Min (MPa)
L390 or X56	390	490

 
API 5L PSL1 X56 seamless pipe acceptable delivery condition
API 5L PSL1 line pipes can be delivered in as-rolled, normalizing rolled, thermomechanical rolled, thermomechanical formed, normalizing formed, normalized, normalized and tempered, or quenched and tempered.
 
Available pipe tests for API 5L PSL1 line pipe
Chemical composition analysis(product analysis)
Tensile tests
Hydro-static test
Bend test
Flattening test
CVN impact test for PSL2 line pipe
MT magnetic particle testing
NDT non-destructive testing
API 5L PSL1 X56 line pipe is a hot selling steel pipe product. It is used for the transportation of gas, water and oil. Pipeline steel coated line pipes are resistant to crack propagation.

Used to transport gas, water and oil in the oil and natural gas industry, and to extract oil or natural gas from oil wells. It can also be used in engineering infrastructure construction, forest road beautification, drainage pipelines, factory steel hook construction, and high-voltage power towers.