API pipe B

Pipeline

Applications:

Used to convey gas, water, oil and natural gas.

Size (mm):

O.D.: 21.3-177.8; W.T.: 2.77-35; L: max 12000

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

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