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The ASTM A139/A139M standard mainly covers the manufacturing requirements for electric fusion (arc) welded straight or spiral seam steel pipes, and is applicable to steel pipes with NPS 4 and above. This standard specifies five grades of steel pipes, whose mechanical properties are different from
keyword ASTM A139 Category Steel pipe standards Related products Get a quoteWhat is ASTM A139?
The ASTM A139/A139M standard mainly covers the manufacturing requirements for electric fusion (arc) welded straight or spiral seam steel pipes, and is applicable to steel pipes with NPS 4 and above. This standard specifies five grades of steel pipes, whose mechanical properties are different from those of ordinary steel plates, and are suitable for transporting media such as liquids, gases, or steam. The nominal wall thickness of steel pipes usually does not exceed 25.4 millimeters, with a wide range of sizes and the ability to customize other specifications according to demand.
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