Carbon Steel Welded Pipe

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Carbon Steel Welded Pipe

API 5L: Gr.B, X42, X52, X60, X65, X70, X80,
EN10219:S275JRH, S275J0H, S275J2H, S355JRH, S355J0H, S355J2H
ASTM A671: CL10-CL13:CA55,B65,B70,C70
Application: Oil, Gas and water delivery; Refinery, Boiler and Mechanical equipment manufacturer; structure construction; drilling, ship building and etc.

API 5L-PSL 1 Welded pipe Chemical Requirements

Grade

Composition %

C  max

Mn  max

P

S   

       max

V    

       max

Nb   

        max

Ti   

          max

min

max

B

0.26

1.2

-

0.03

0.03

c.d

c,d

d

X42

0.26

1.3

-

0.03

0.03

d

d

d

X46

0.26

1.4

-

0.03

0.03

d

d

d

X52

0.26

1.4

-

0.03

0.03

d

d

d

X56

0.26

1.4

-

0.03

0.03

d

d

d

X60

0.26

1.4

-

0.03

0.03

f

f

f

X65

0.26

1.45

-

0.03

0.03

f

f

f

X70

0.26

1.65

-

0.03

0.03

f

f

f

 

 API 5L-PSL 2 Welded pipe Chemical Requirements

Grade

Composition %

C            

Si

Mn

P

S

V

Nb

Ti

Other

B

0.22

0.45

1.2

0.025

0.015

0.05

0.05

0.04

e,l

X42

0.22

0.45

1.3

0.025

0.015

0.05

0.05

0.04

e,l

X46

0.22

0.45

1.3

0.025

0.015

0.05

0.05

0.04

e,l

X52

0.22

0.45

1.4

0.025

0.015

d

d

d

e,l

X56

0.22

0.45

1.4

0.025

0.015

d

d

d

e,l

X60

0.12

0.45

1.6

0.025

0.015

g

g

g

h,l

X65

0.12

0.45

1.6

0.025

0.015

g

g

g

h,l

X70

0.12

0.45

1.7

0.025

0.015

g

g

g

h,l

 

API 5L-PSL 1 Welded pipe Mechanical Properties

Grade

Yield Strength Mpa

Tensile Strength Mpa

Elongation

B

245

415

c

X42

290

415

c

X46

320

435

c

X52

360

460

c

X56

390

490

c

X60

415

520

c

X65

450

535

c

X70

485

570

c

 

API 5L-PSL 2 Welded pipe Mechanical Properties

Grade

Yield Strength Mpa

Tensile Strength Mpa

Raito

Elongation


min

max

min

max

max

min

BN

245

450

415

655

0.93

f

BQ

X42N

290

495

415

655

0.93

f

X42Q

X46N

320

525

435

655

0.93

f

X46Q

X52N

360

530

460

760

0.93

f

X52Q

X56N

390

545

490

760

0.93

f

X56Q

X60N

415

565

520

760

0.93

f

X60Q

X65Q

450

600

535

760

0.93

f

X70Q

485

635

570

760

0.93

f


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