Carbon Seamless API Steel Pipe API 5L X52 PSL2 GR.B / L245 For Linepipe 10 Inch

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Carbon Seamless API Steel Pipe API 5L X52 PSL2 GR.B / L245 For Linepipe 10 Inch

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API 5L X52 PSL2 GR.B/L245 Carbon Seamless Line Pipe 10 Inch 6M Black



Standard: 5L API – American Petroleum Institute standards (PSL1, PSL2)

GB/T9711 – China National Standard (GB/T9711.1, B/T9711.2)

Usage: used in petroleum and natural gas industry in the oxygen, water, oil delivery pipe;

Can also be used for engineering construction, Lin Yuan road beautification, drainage pipeline, plant steel hook construction, high voltage power tower.

Main production of steel pipe grades: B, X42, X52, X56, X60, X65, X70, X80,

L290 L320 L360 L390 L450 L485 L245 and other users to supplement the technical conditions of the material.

Outside diameter (unit: inch) 1/2, 3/4, 1, 1-1/4, 1-1/2, 2, 2-1/2, 3, 4, 5, 6, 8, 10, 14, 16, 18, 20, 12, 22~40~56;
Wall thickness level: SCH20, SCH30, SCH40, SCH60, SCH80~160, SCHSTD, SCHXS, SCHXXS

API5L standard for X52 petroleum pipeline pipe

Steel pipes Seamless Pipe/ Galvanized seamless Pipe
Size Size 1/4” to 24” Outside Diameter 13.7 mm to 609.6 mm
Standard API5L , ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A179/A192/A213/A210 /370 WP91,


GB5310-2009, GB3087-2008,GB6479-2013, GB9948-2013, GB/T8163-2008, GB8162-2008,GB/T17396-2009
Certificates API5L ISO 9001:2008 TUV SGS BV etc
Wall thickness SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100 SCH120, SCH160,


Material Carbon steel, Alloy steel
Packaging Loose package, Packaged in bundles(3Ton Max) , bundled pipes with two slings at the

both end for easy loading and discharging, End with Plastic caps

Surface Treatment Carbon steel seamless pipes :Rust-proof black painting
Marking Standard marking, or according to your request. Marking Method: Spray white paint
End treatment Under 2 inch plain end. 2 inch and above Beveled.
Pipe Length Single Random Length and double Random Length.

SRL:3M-5.8M DRL:10-11.8M or As clients requested length

Delivery Time 10-40 days
Payment Term TT, LC at sight, etc.
Fluid pipe
Structure pipe
High and low pressure Boiler tube
Seamless steel tubes for petroleum cracking

Conduit pipe

Scaffolding pipe etc.

Main Market Asia, Middle East, Europe, America, Africa, Australia, etc.



Parameter of our pipes


Chemical composition

Steel grade Chemical composition
C Si Mn
20# 0.17-0.24 0.17-0.37 0.35-0.65
45# 0.42-0.50 0.17-0.37 0.50-0.80
16Mn ≤0.2 ≤0.5 1.00-1.60
25Mn 0.22-0.29 0.17-0.37 0.70-1.00
27SiMn 0.24-0.32 1.10-1.40 1.10-1.40
SAE1026 0.22-0.28 0.15-0.35 0.60-0.90


Mechanical Performance

20# 45# 25Mn Q345D
Grade 20# 45# STKM13-T Q345D
American Standard ASTM A53-B ASTM A106-B


ASTM A1045
Japan Standard JIS G4051-2005




Germany Standard St42-2 DIN1626

St45-8 DIN17175

St45-4 DIN1629

Tensile strength ≥520 ≥600 ≥600 ≥600
Yield strength ≥375 ≥520 ≥530 ≥520
Elongation >15 >15 >15 >12
Technique Cold drawn+SR Cold drawn+SR Cold drawn(Cold rolled)+SR Cold drawn+SR


SRB&Honed Tube

63.5 76.2 6.35 88.9 101.6 6.35
63.5 82.55 9.525 88.9 107.95 9.525
76.2 88.9 6.35 101.6 114.3 6.35


1.Low and middle pressure fluid transportation pipeline
2.Casing Tube
3.Boiler pipe
4.Petroleum and natural gas industry
5.Chemistry industry
6.Electric industry

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