Shandong JunGuan Trading Co., Ltd

Standard

Grade

Remarks

API SPEC 5L

GB/T 21237

GB/T 9711
GB/T 14164

PSL1

L210 or A、L245 or B、

Pipeline Specifications:

API SPEC 5L Standard of line pipe

Wide and heavy plates for transportation

pipeline of petroleum and natural gas
Steel transportation pipeline in petroleum

and natural gas industry

L290or X42、 L390 or X46、

L360 or X52、 L415 or X60、
L450 or X65、 L485 or X70、

L555 or X80、 L625 or X90、

L690 or X100

PSL2

L245M or BM～L555M or X80M
L245N or BN～L555N or X80N

For sour services

L245MS or BMS
L485MS or X70MS

For offshore services

L245MO or BMO
L555MO or X80MO

DNV-OS-F101

245、290、320、360、390、415、450、485、555

Submarine Pipeline Systems

Grade

C

Si

Mnc

P

S

V

Nb

Ti

Others

CEa

Pcmb

PSL1

L245 or B

0.26

0.40

1.20

0.030

0.030

d

d

d

-

-

-

L290 or X42

0.26

0.40

1.30

0.030

0.030

d

d

d

-

-

-

L320 or X46

0.26

0.40

1.40

0.030

0.030

d

d

d

-

-

-

L360 or X52

0.26

0.45

1.40

0.030

0.030

d

d

d

-

-

-

L390 or X56

0.26

0.45

1.40

0.030

0.030

d

d

d

-

-

-

L415 or X60

0.26

0.45

1.40 e

0.030

0.030

d

d

d

-

-

-

L450 or X65

0.26

0.45

1.45 e

0.030

0.030

d

d

d

-

-

-

L485 or X70

0.26

0.45

1.65 e

0.030

0.030

d

d

d

-

-

-

L555 or X80

0.22

0.45

1.20

0.030

0.030

d

d

d

-

-

-

L625 or X90

0.20

0.45

1.30

0.030

0.030

d

d

d

-

-

-

PSL2

L245M or BM

0.22

0.45

1.20

0.025

0.015

0.05

0.05

0.04

e,i

0.43

0.25

L290M or X42M

0.22

0.45

1.30

0.025

0.015

0.05

0.05

0.04

e.i

0.43

0.25

L320M or X46M

0.22

0.45

1.30

0.025

0.015

0.05

0.05

0.04

e.i

0.43

0.25

L360M or X52M

0.22

0.45

1.40

0.025

0.015

d

d

d

e.i

0.43

0.25

L390M or X56M

0.22

0.45

1.40

0.025

0.015

d

d

d

e.i

0.43

0.25

L415M or X60M

0.12

0.45

1.60

0.025

0.015

d

d

d

f.i

0.43

0.25

L450M or X65M

0.12

0.45

1.60

0.025

0.015

d

d

d

f.i

0.43

0.25

L485M or X70M

0.12

0.45

1.70

0.025

0.015

d

d

d

f.i

0.43

0.25

L555M or X80M

0.12

0.45

1.85

0.025

0.015

d

d

d

g.i

0.43 f

0.25

For sour service

L245MS or BMS

0.10

0.40

1.25

0.020

0.002

0.04

0.04

0.04

-

-

0.19

L290MS or X42MS

0.10

0.40

1.25

0.020

0.002

0.04

0.04

0.04

-

-

0.19

L320MS or X46MS

0.10

0.45

1.35

0.020

0.002

0.05

0.05

0.04

-

-

0.20

L360MS or X52MS

0.10

0.45

1.45

0.020

0.002

0.05

0.06

0.04

-

-

0.20

L390MS or X56MS

0.10

0.45

1.45

0.020

0.002

0.06

0.08

0.04

d

-

0.21

L415MS or X60MS

0.10

0.45

1.45

0.020

0.002

0.08

0.08

0.06

d.j

-

0.21

L450MS or X65MS

0.10

0.45

1.60

0.020

0.002

0.10

0.08

0.06

d.j.k

-

0.22

L485MS or X70MS

0.10

0.45

1.60

0.020

0.002

0.10

0.08

0.06

d.j.k

-

0.22

For offshore service

L245MO or BMO

0.12

0.40

1.25

0.020

0.010

0.04

0.04

0.04

f

-

0.19

L290MO or X42MO

0.12

0.40

1.35

0.020

0.010

0.04

0.04

0.04

f

-

0.19

L320MO or X46MO

0.12

0.45

1.35

0.020

0.010

0.05

0.05

0.04

f

-

0.20

L360MO or X52MO

0.12

0.45

1.65

0.020

0.010

0.05

0.05

0.04

d.m

-

0.20

L390MO or X56MO

0.12

0.45

1.65

0.020

0.010

0.06

0.08

0.04

d.m

-

0.21

L415MO or X60MO

0.12

0.45

1.65

0.020

0.010

0.08

0.08

0.06

d.m

-

0.21

L450MO or X65MO

0.12

0.45

1.65

0.020

0.010

0.10

0.08

0.06

d.m

-

0.22

L485MO or X70MO

0.12

0.45

1.75

0.020

0.010

0.10

0.08

0.06

d.m

-

0.22

L555MO or X80MO

0.12

0.45

1.85

0.020

0.010

0.10

0.08

0.06

d.m

-

0.24

a. CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
b. Pcm =C+Si/30+(Mn+Cu+Cr)/20+Ni/60+Mo/15+V/10+5B
c. For each reduction of 0,01 % below the specified maximum for C, an increase of 0,05 % above the specified maximum for Mn is permissible, up to a maximum of 1,65 % for grades ≥ L245 or B, but ≤ L360 or X52; up to a maximum of 1,75 % for grades L360 or X52, but L485 or X70; up to a maximum of 2,00 % for grades ≥ L485 or X70, but ≤ L555 or X80; and up to a maximum of 2,20 % for grades L555 or X80.
d. Nb+V+Ti≤0.15%.
e. Cu≤0.50%；Ni≤0.30%；Cr≤0.30%；Mo≤0.15%.
f. Cu≤0.50%；Ni≤0.50%；Cr≤0.50%；Mo≤0.50%.
g. Cu≤0.50%；Ni≤1.00%；Cr≤0.50%；Mo≤0.50%.
h. B≤0.004%. i. B≤0.001%.
j. i If agreed, Mo≤0.35%.
k. j If agreed, Cr≤0.45 %.
l. f Cu≤0.35%；Ni≤0.30%；Cr≤0.30%；Mo≤0.10%. B≤0.0005%.
m. h Cu≤0.50%；Ni≤0.50%；Cr≤0.50%；Mo≤0.50%. B≤0.0005%.

Grade

Yield Strength Rt0.5, MPa

Tensile Strength Rm, MPa

Rt0.5/Rm

Elongation A50, %

Impact Absorbed Energy,Akv,
J

DWTT，
%

PSL1

B

≥245

≥415

-

a

According to customer requirements

X42

≥290

≥415

-

a

X52

≥320

≥435

-

a

X60

≥360

≥460

-

a

X65

≥390

≥490

-

a

X70

≥415

≥520

-

a

PSL2，for sour service

L290M or X42M
L290MS or X42MS

290-495

415-655

≤0.93

a

According to customer requirements

L320M or X46M
L320MS or X46MS

320-525

435-655

≤0.93

a

L360M or X52M
L360MS or X52MS

360-530

460-760

≤0.93

a

L390M or X56M
L390MS or X56MS

390-545

490-760

≤0.93

a

L415M or X60M
L415MS or X60MS

415-565

520-760

≤0.93

a

L450M or X65M
L450MS or X65MS

450-600

535-760

≤0.93

a

L485M or X70M
L485MS or X70MS

485-635

570-760

≤0.93

a

L555M or X80M

555-705

625-825

≤0.93

a

For offshore service

L290MO or X42MO

290-495

415-655

≤0.93

a

According to customer requirements

L320MO or X46MO

320-520

435-655

≤0.93

a

L360MO or X52MO

360-525

460-760

≤0.93

a

L390MO or X56MO

390-540

490-760

≤0.93

a

L415MO or X60MO

415-565

520-760

≤0.93

a

L450MO or X65MO

450-570

535-760

≤0.93

a

L485MO or X70MO

485-605

570-760

≤0.93

a

L555MO or X80MO

555-675

625-825

≤0.93

a

a. The minimum elongation using the following equation: Af=1940*A0.2/U0.9