Specifications For API 5L X52

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Specifications for API 5L X52 adhere to the International Organization for Standardization ISO 3183, which standardizes pipeline transportation systems within the materials, equipment and offshore structures for petroleum, petrochemical, and natural gas industries.  

The technical committee authoring the standards recognized that there are two basic Product Specifications Levels (PSL) of technical requirements and therefore developed PSL 1 and PSL 2.  

PSL 1 is a standard quality for line pipe where PSL 2 contains additional chemical, mechanical properties, and testing requirements.

Grades covered by this specification are A25 ,A ,B (and the following "X" Grades), X42, X46, X52, X56, X60, X65, X70, X80. The x52 pipe property as follows:

1)Chemical Properties %:

PSL

C

Mn

P

S

Si

V

Nb

Ti

Other

1

0.24

1.40

0.025

0.015

0.45

0.10

0.05

0.04

b,c

2

0.28

1.40

0.03

0.03

-

b

b

b

-

2)Mechanical Properties


Mechanical Properties

API 5L X52 PSL-1

API 5L X52 PSL-2

Tensile strength

min /max, psi (MPa)

66,700(460)/ n/a

66,700 / 110,200

Yield strength

min /max, psi (MPa)

52,000 (300)/n/a

52,000 / 76,900

※Unless otherwise agreed, 0.50% maximum for copper, 0.30% maximum for nickel, 0.30% maximum for chromium, and 0.12% maximum for molybdenum.

3)Delivery conditions for API 5L X52:

delivery conditions for api 5l x52