Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

api 5l x52 steel pipe


API 5L Line Pipe 
1. Standard: API 5L, ASTM A53/A 106/API5L 
2. Size: OD: 10.3-500mm WT: 1.73-50.01mm 
3. Material: GrB X42 X 46 

api 5l x52 steel pipe

API 5L SPEC 5L-2007(line pipe standard) is drawed up and issued by American Petroleum Institute, which is used all over the world. Line pipe is a type of pipes that transports the oil, gas and water that is out of the earth to the gas and oil companies or enterprises. There are two types: Seamless and welded The ends are including plain, threaded, and female end. The connections are: End welded, coupling and socket connection etc. The main materials are: B, X42, X56, X65, X70 etc. Our company had passed API approvals in Aug, 2009. (API 5CT and API 5L). 

Product Specification Level 
Steel grade 
Yield Strength (min), Mpa 
Tensile Strength(min), Mpa 
API 5L PSL 1 L210 or A 210 335 
L245 or B 245 415 
L290 or x42 290 415 
L320 or X46 320 435 
L360 or X52 360 460 
L390 or X56 390 490 
L415 or X60 415 520 
PSL 2 L245Ror BR 245~450 415~760 
L290R or X42R 290~495 415~760 
L245N or BN 245~450 415~760 
L290N or X42N 290~495 415~760 
L320N or X46N 320~525 435~760 
L360N or X52N 360~530 460~760 
L390N or X56N 390~545 490~760 
L415N or X60N 415~565 520~760




API 5L PSL1 X52 ERW steel pipe 
OD: 10mm-1219mm 
THK: 1.24mm-60mm 
Standard: BS, EN, JIS, ASTM, GB, DIN 

API 5L PSL1 X52 ERW steel pipe 

1. OD: 1/8"-48", 10mm-1219mm 

2. Thickness: SCH10-SCH160 XXS, 1.24mm-60mm 

3. Length: 5-12m, fixed or unfixed length, or as customer's requirement. 

4. Standard: BS, EN, JIS, ASTM, GB, DIN, API 5L/5CT 

5. Material: A106, A53, A179, A192, GR. A/ B/ C, E235/ E355/ E315/ E275, ST35/ 37/ 45/ 52, 

Q195/ Q235/ Q345, 10#/ 20#/ 16MN, STPG370/ STS370/ STPT370, 

STKM11A/ STKM12/ STKM13/ STKM14, (A, B, C) 


6. Surface: Black painting(or red ), polished white, hot dipped zinc galvanizing, 3PE, 2PE, 1PE. 

7. Process Method: Hot rolled, cold rolled, cold drawn, hot finish 

8. Usage: Oil, construction, buildng, structure, transport.

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