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ASTM A672 EFW Steel Ppe

ASTM A672 EFW steel pipe for high pressure service at moderate temperatures

Description

1.Details

(1)This specification covers electrical-fusion-welded steel pipe for high-pressure service at moderate temperatures. Heat treatment may or may not be required to attain the desired properties or to comply with applicable code requirements.


(2)The mechanical test requirements includes one tension test specimen to represent each lot of finished pipe, and one transverse-guided-weld-bend test (two specimens) to represent each lot of finished pipe. Also, radiographic examination shall be made on the full length of each weld.


(3).The specification nominally covers pipe 16 in. [400 mm] in outside diameter or larger with wall thicknesses up to 3 in. [75 mm], inclusive. Pipe having other dimensions may be furnished provided it complies with all other requirements of this specification.


2.Workmanship,finish and Appearance

The finished pipe shall be free of injurious defects andshall have a workmanlike finish.This requirement is to mean the same as the identical requirement that appears in specification A 20/A 20M with respect to steel plate surface finish. 



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