Manufacturing technique
During the ASTM A 252 spiral steel pipe manufacturing process, heat treatment, non-destructive test and hydrostatic test are not required.
Materials
The ASTM A252 spiral steel pipes made of Grade 1, Grade 2 and Grade 3 steel types.
Technical specifications
The maximum outer diameter of the ASTM A252 spiral steel pipe is 3048 mm. The maximum wall thickness is 30 mm and the maximum length for a single pipe reaches 20000 mm.
Applications
The ASTM A252 spiral steel pipe commonly used for tubular steel pipe lines, the structural support piles and cast-in-situ concrete piles.
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