American Piping distributes an extensive selection of welded pipe, including Electric Resistance Welded (ERW) and Double Submerged Arc Welded (DSAW) carbon steel pipe — along with their respective flanges and fittings. We also carry A139 — Grade B, A252 Grades 2 & 3 spiral weld pipe, and A691 chrome moly pipe.

Carbon (ERW & DSAW) Pipe

Sizes

ERW: 3/4″ thru 26″ up to 1.000″ thick
DSAW: 20″ thru 72″ up to 3.000″ thick
R&W: 24″ thru 120″ up to 4.000″ thick

Specifications & Grades

SA53 / A53 Welded — Grade B
API 5L Welded — Grades B (X42, X52, X60, X65 and X70) PSL 1, PSL 2
A671 / A672 in all grades

Flanges & Fittings

A/SA-234 — WPW OR WPWX – Grades B, C
High Yield MSS SP-75 —Grades WPH (Y42, Y52, Y60, Y65 and above)

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Carbon Spiral Weld Pipe

Sizes

24″ thru 120″ OD
Wall Thickness — Up to 1.000″

Specifications & Grades

A139/134/AWWAC200
ASTM A252 — Grades 2 & 3

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Chrome Moly Pipe

Sizes

16″ OD and Larger
Wall Thickness — Up to 3.000″

Specifications & Grades

A691 – Grades:

• 1 ¼ Chrome (equal to P-11)
• 2 ¼ Chrome (equal to P-22)
• 91 Chrome (equal to P-91)
• 5 Chrome (equal to P-5)
• 9 Chrome (equal to P-9)

Flanges & Fittings

A/SA-234 — WPW OR WPWX (Grades 5, 9, 11, 22, 91)