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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.

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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
Grade	C (Max)	Mn (Max)	P (Max)	S (Max)	Ti (Max)
A25,Type Ⅰ	0.21	0.6	0.03	0.03	-
A25,Type Ⅱ	0.21	0.6	0.045~0.08	0.03	-
A	0.22	0.9	0.03	0.03	-
B	0.28	1.2	0.03	0.03	0.04
X42	0.28	1.3	0.03	0.03	0.04
X46, X52, X56	0.28	1.4	0.03	0.03	0.04
X60	0.28	1.4	0.03	0.03	0.04
X65, X70	0.28	1.4	0.03	0.03	0.06

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

Grade	Yield Strength, Min (Mpa)	Tensile Strength, Min (Mpa)
B	241~448d	414~758
X42	290~496	414~758
X46	317~524	434~758
X52	359~531	455~758
X56	386~544	490~758
X60	414~565	517~758
X65	448~600	531~758
X70	483~621	565~758
X80	552~690e	621~827

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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