API Spec 5L PSL1/API Spec 5L PSL2,API 5L/API Spec 5L PSL1 X42 (L290) steel pipe
Name:API 5L X42/L290 steel plate
Material:API 5L X42, API 5L X42/L290 steel plate,API 5L X42/L290 steel pipe
Thickness:Thickness: 6-80mm, Width: 1360-3000mm, Length: 6000-12000mm
DeliveryTime:15-30 days
PaymentTerms:T/T, 100% Irrevocable at sight
API 5L/API Spec 5L PSL1 X42 (L290) steel pipe:
Under API 5L standard, we can regard API 5L X42 steel plate/pipe as large diameter pipes steel. API X42 steel pipe is one main type of steel for large diameter pipes, API-X42 steel is used for pressure liquid transport, oil, gas, water and other liquid transportation, oil field engineering, ductwork, construction, steel pipe, oil and gas project which use pipes.
API 5L/API Spec 5L PSL1 X42 (L290) steel pipe Delivery Condition:
AR(As Hot Rolled), N(Normalized), T(Tempered), Q(Quenched), TMCP, Q+T(Quenched and Tempered), UT(Ultrasonic Test:ASTM A435,ASTM A578-C/B/A,EN10160-S0E1,S1E2,S2E3,S3E4), Impact Test, PWHT(Post Weld Heat Treatment), HIC, Z Test(Z15, Z25, Z35)

X 42API5L Material#1.0484
Comparison of Steel Grades
DIN 17172

API 5L/API Spec 5L PSL1 X42 (L290) steel pipe Chemical Analysis:

Material number
C max
Si max
Mn. mix
P max
S max
0.22 0.45 0.50-1.10 0.04 0.035

API 5L/API Spec 5L PSL1 X42 (L290) steel pipe Mechanical Properties:

Permissible yield point ratio
Yield Strength MPa(min)
Tensile Strength MPa
Elongation % (min)
≤ 0.85
290 420-540 23

Other API 5L steel grades:

API 5L X42 L290 API 5L X80 L555 API 5L X70 L485 API 5L X65 L450 API 5L X60 L415 API 5L X56 L390 API 5L X52 L360 API 5L Gr B API 5L Gr A
More about API 5L/API Spec 5L PSL1 X42 (L290) steel pipe stock,contact us [email protected]

We supply Mild Steel Plate. For Mild Steel Plate we always source from China's number one state mills for Hot Rolled Steel such as Tianjin Iron & Steel and Ma Steel. These two mills produce excellent S235JR and S355JR Hot Rolled Steel Plate.

Hot Rolled Coil

Typical size range:

1.5 – 12mm Thick

1250 – 2500mm Wide

Available specifications:

EN 10025-2004

JIS G3101-2004

ASTM A36-05

GB/T 700-2006

Steel grades:S235JR; S355JR; A36; SS400; SS490; Q235(A/B/C/D); Q345(A/B/C/D/E); Q390; Q420
Steel Mills:

Angang Steel


Benxi Iron & Steel

LY Steel


Shagang Group

Shenheng Steel


Email: [email protected]

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