API SPEC 5L



Name: Pipeline Seamless Steel Pipe
Standards: API SPEC 5L-API Standard
GB/T9711.2-CNS

Applications: Wide application in oil and natural gas industry like oxygen, water and oil delivery pipes
Models: B, X42, X52, X60, X65, X70


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Dimension Tolerance:

Specifications OD(mm) Wall Thickness(mm)
Pipes Body OD(mm) Allowable deviation(mm) OD(mm) Allowable deviation(mm)
≥60.3, S<20 ±0.75% ≤73.0 +15%, -12.5%
≥60.3, S-≥20 ±1.00% >73.0, S<20 +15%, -12.5%
    >73.0, S≥20 +17.5%, -10%

 

Grade and Chemical Composition (%)


Standard

Grade

Chemical Composition(%)

C

Mn

P

S

B

≤0.28

≤1.20

≤0.030

≤0.030

X42

≤0.28

≤1.30

≤0.030

≤0.030

X46,X52

≤0.28

≤1.40

≤0.030

≤0.030


Mechanical Properties (MPa) (PSL1):


Standard

Grade

(MPa)

(MPa)

A%

API

SPEC

5L

PSL1

 

psi

MPa

psi

MPa

MIN(%)

B

35,000

241

60,000

414

21~27

X42

42,000

290

60,000

414

21~27

X46

46,000

317

63,000

434

20~26

X52

52,000

359

66,000

455

20~24


Grade and Chemical Composition (%)


Standard

Grade

(MPa)

(MPa)

A%

(J)

API

SPEC

5L

PSL2

 

Min

Max

Min

Max

 

Min

B

241

448

414

758

21~27

41(27)

X42

290

496

414

758

21~27

41(27)

X46

317

524

434

758

20~26

41(27)

X52

359

531

455

758

20~24

41(27)


Mechanical Properties (MPa) (PSL2):


Standard

Grade

Chemical Composition(%)

C

Mn

TI

P

S

B

≤0.24

≤1.20

≤0.04

≤0.025

≤0.015

X42

≤0.24

≤1.30

≤0.04

≤0.025

≤0.015

X46,X52

≤0.24

≤1.40

≤0.04

≤0.025

≤0.015