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API 5L Grade B Chemical Composition,API 5L Grade B Mechanical Property steel plate

API 5L Grade B steel pipe
API 5L Grade B steel Description:This specification covers seamless and welded steel line pipe. It includes plain-end, threaded-end, and belled-end pipe, as well as through-the-flowline (TFL) pipe and pipe with ends prepared for use with special couplings.

API 5L Grade B steel application:suitable for use in conveying gas, water, and oil in both the oil and natural gas industries.

API 5L Grade B Chemical Composition:


PSL 1API 5L B Chemical Composition

Grade

The Element Max (%)

C

Ti

Mn

P

S

PSL 1API 5L B

Seamless

0.28

0.04

1.2

0.03

0.03

Welded

0.26

0.04

1.2

0.03

0.03


 


PSL 2API 5L BChemical Composition

Grade

The Element Max (%)

C

Ti

Mn

P

S

PSL 2API 5L B

Seamless

0.24

0.04

1.20

0.025

0.015

Welded

0.22

0.04

1.2

0.025

0.015

API 5L Grade B Mechanical Property:


Grade

 

PSL 1API 5L BMechanical Property

Thickness
mm

Yield

Tensile

Elongation

PSL 1API 5L B

Min Mpa

Mpa

Min  %

 

241

414

a


 


Grade

 

PSL 2API 5L BMechanical Property

Thickness
mm

Yield

Tensile

Elongation

PSL 2API 5L B

Min Mpa

Mpa

Min  %

 

241-448

414-758

a

The minimum elongation in 2 in. (50.8 mm) shall be that determined by the following equation:
U.S.Customary Unit Equation: e=625,000*A0.2/U0.9; SI Unit Equation: e=1,944A0.2/U0.9
Where e= minimum elongation in 2 in. (50.8 mm) in percent rounded to the nearest percent.
A= applicable tensile test specimen area, as follows:

  • For round bar specimens:

-----0.20 in.2(130 mm2) for the 0.500 in. and 0.350 in. specimens,
-----0.10 in.2(65 mm2) for the 0.250 in. specimen
b. For full section specimens, the smaller of (i) 0.75 in.2(485 mm2) and (ii) the cross-sectional area of the test specimen, calculated using the specified outside diameter of the pipe and the specified wall thickness of the pipe, rounded to the nearest 0.01 in.2(10 mm2);
c. For strip specimens, the smaller of (i) 0.75 in.2 (485 mm2) and (ii) the cross-sectional area of the test specimen, calculated using the specified width of the test specimen and the specified wall thickness of the pipe, rounded to the nearest 0.01 in.2 (10 mm2).
U= speciÞed minimum ultimate tensile strength in psi (MPa).
Should you need API 5L Grade B steel pipe, please visit our website:http://www.bebonchina.com/e-store.
or contact us by TEL:0086-371-86151827,0086-371-86151707
FAX: 0086-371-87011881
Oficina Dir: 2801 B# International enteprise center Zhengzhou city in China.
Post Code: 450001
E-mail: [email protected]
Thanks for your attention in advance.

 

 

 

 

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