API SPEC 5L

is a international standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.

API SPEC 5L steel pipes

This International Standard is not applicable to cast pipe.
Peotroleum and natureal gas industies – Steel pipe for pipeline transportation system .

Standard: API SPEC 5L

Size range (mm):

Sunny Steel can supply superior Quality High strength, High Toughness, Homogeneous material and Corrosion Resistant Line Pipes for various special service such as offshore and sour services.

UOE:available from 16in. up to 64in. OD (world’s largest)
UOE line pipe can be supplied as high strength line pipe up to Grade X80, and high toughness line pipe for low-temperature services and corrosive gas or crude oil service.

HFW: available up to 26in. OD, with wall thickness up to 1in. (world’s largest)
HFW line pipe can be supplied as high strength API grade line pipe up to 5L X80, and high grade line pipe for sour gas service and offshore service.

SMLS:available up to 16-3/4in. OD
SMLS line pipe can be supplied with corrosion resistant alloy pipe (weldable12% Cr Line Pipe) and high strength API grade line pipe up to 5L X80 for crude oil, gas, water and slurry service.

Application: gas, water and oil transportation in both oil and natural gas .

Steel grade of API 5L:

API SPEC 5L PSL1

API SPEC 5L PSL2

Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .

Chemical Compositions(%) of API 5L PSL1

Grade C≤ Mn≤ P≤ S≤ Si≤ V≤ Nb≤ Ti≤
B 0.28 1.20 0.030 0.030 - - - -
X42 0.28 1.30 0.030 0.030 - - - -
X46 0.28 1.40 0.030 0.030 - - - -
X52 0.28 1.40 0.030 0.030 - - - -
X56 0.28 1.40 0.030 0.030 - - - -
X60 0.28 1.40 0.030 0.030 - - - -

Mechanical Properties of API 5L PSL1

Grade Yield Strength (Mpa) Tensile Strength (Mpa)
B ≥245 ≥415
X42 ≥290 ≥415
X46 ≥320 ≥435
X52 ≥360 ≥460
X56 ≥390 ≥490
X60 ≥415 ≥520

Chemical Compositions(%) of API 5L PSL2

Grade C≤ Mn≤ P≤ S≤ Si≤ V≤ Nb≤ Ti≤ CEpcm≤
B 0.24 1.20 0.025 0.015 0.40 c c 0.04 0.25
X42 0.24 1.20 0.025 0.015 0.40 0.06 0.05 0.04 0.25
X46 0.24 1.40 0.025 0.015 0.40 0.07 0.05 0.04 0.25
X52 0.24 1.40 0.025 0.015 0.45 0.10 0.05 0.04 0.25
X56 0.24 1.40 0.025 0.015 0.45 0.10 0.05 0.04 0.25

Mechanical Properties of API 5L PSL2

Grade Yield Strength (Mpa) Tensile Strength (Mpa)
B 245-450 415-760
X42 290-495 415-760
X46 320-525 435-760
X52 360-530 460-760
X56 390-545 490-760

Note: c: The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and the manufacturer, an alternative maximum may be established.

PDF View the PDF catalogue of Line pipe,Line Pipes,Pipe line / API SPEC 5L

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>