ASTM A139/A 139M covers five grades of electric-fusion(arc)-welded straight-seam or helical-seam steel pipe. Pipe of NPS 4 (Note 1) and larger with nominal (average) wall thickness of 1.0 in. [25.4 mm] and less are covered. Here we can produce spiral welded pipes in acc. to such standard. The sizes are from 8” to 120”.

1, Sizes: 8” – 120”

2, Wall thickness: 5mm – 25.4mm;

3, Standard: ASTM A139 / A139M

4, Steel Grade: Gr.A, Gr.B, Gr.C, Gr.D, GR.E;

5, Length: 1m -18m;

6, Pipe Ends: furnished with plain right-angle cut or beveled ends as specified.