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 API 5L standard specification for line pipe

The purpose of this specification is to provide standards for pipe suitable for use in conveying gas, water, and oil in both the oil and natural gas industries.

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.

 

Gangsteel is specialized in supplying API 5L steel plate in A. For more information of API 5L A steel plates, please check them in following:

 

 

API 5L A Chemical Composition

Grade

The Element Max (%)

C

Ti

Mn

P

S

API 5L A

0.22

-

0.90

0.030

0.030

 

 

 

Grade

 

API 5L A Mechanical Property

Thickness

mm

Yield

Tensile

Elongation

API 5L A

Min Mpa

Mpa

Min  %

 

207

331

a

 

  1. 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:

  1. 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).

 

Shipbuilding steel plate| Alloy steel plates| High strength plate| Carbon steel plate| Stainless steel plate

 

 

 

If you need more stock steel plates in pressure vessel steel plate, please click warehouse sizes.

 

Related Grade: X42, X46, X52, X56, X60, X65, X70

 

 

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