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API 5L Seamless Steel Line Pipe

API 5L seamless steel line pipe is widely used for pipeline transportation systems in the petroleum and natural gas industries. API 5L is suitable for conveying gas, water, and oil.

Description

API 5L seamless seamless steel line pipe

--- Application: for petroleum and natural gas industries

Chemical properties and mechanical properties    

Grade and Chemical Composition (%)

API 5L PSL1
GradeC (Max)Mn (Max)P (Max)S (Max)Ti (Max)
A25,Type

0.210.60.030.03-
A25,Type

0.210.60.045~0.080.03-
A0.220.90.030.03-
B0.281.20.030.030.04
X420.281.30.030.030.04
X46, X52, X560.281.40.030.030.04
X600.281.40.030.030.04
X65, X700.281.40.030.030.06

API 5L PSL2

Grade

C(Max)

Mn(Max)

P(Max)

S(Max)

Ti(Max)

B

0.24

1.2

0.025

0.015

0.04

X42

0.24

1.3

0.025

0.015

0.04

X46,X52,X56, X60

0.24

1.4

0.025

0.015

0.04

X65,X70, X80

0.24

1.4

0.025

0.015

0.06

Mechanical Properties

1. API 5L PSL1

Grade

Yield Strength, Min (Mpa)

Tensile Strength, Min (Mpa)

A25

172

310

A

207

331

B

241

414

X42

290

414

X46

317

434

X52

359

455

X56

386

490

X60

414

517

X65

448

531

X70

483

565

2. API 5L PSL2

GradeYield Strength, Min (Mpa)Tensile Strength, Min (Mpa)
B241~448d414~758
X42290~496414~758
X46317~524434~758
X52359~531455~758
X56386~544490~758
X60414~565517~758
X65448~600531~758
X70483~621565~758
X80552~690e621~827

Seamless steel pipe specification
Outer diameter(OD): 10.3mm~863mm
Thickness: 2mm~100mm
Length: 3m, 5.8m, 6m, 10m, 11.8m, 12m, 14m or as per customers’ request
Ends type: plain ends (square cut), bevel ends, thread, coupling ......

Surface
All surfaces have been 100% visually inspected. The surface condition complies with API 5L standard.  
 

Coverage
(a) longitudinal: 100% of the pipe surface
(b) pipe ends not scanned by automatic ultrasonic system shall be inspected by manual UT or Magnetic Particle. Examination.

Hydrostatic test
(a) Test pressure may not exceed 2970 psi in accordance to API 5L requirements.
(b) Holding time: minimum 5 seconds.
 

Certification and traceability
All dimensions will be supplied with a 3.2 certificate according to EN 10204, endorsed by recognized and independent inspection agency.
Marking on pipes accordance with API requirements & mill standard, size, weight, heat number.  
 

Dimensional control
All dimensions will be supplied according to API 5L standard; In addition, the following tolerances apply:
(a) Pipe body: +/- 0,75%
(b) Pipe end: +/- 0,5%
(c) Thickness: +15%, -12,5%
(d) Length: -0 / +100mm  
 


Pipe Ends
Pipe Ends are plain or bevel. Bevel End angle shall be 30°- 0°/+5°, Ends is protected by plastic/metal cap/ends protector.

Protection
Varnish painting, galvanized, 3LPE, 3PP, anti-corrosion material coating.


Packing and shipment
For 1/2” to 8” seamless steel pipe, packaging always be in bundles with steel strip, 9'' and upper size will be in loose.
Coating type: bare, varnish painting(anti-rusted painting), hot dipped galvanized, 3LPE, 3PP
End protect: plastic ends cap, end protector.
Packing: Bundled or each piece with knitted plastic bag, wooden cases or Ply-wooden Case /Iron Case/ Bundle or as per customers' requirement.


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