Carbon Steel Welded/ ERW Pipe
WELDED PIPE
Koryo steel 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)
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
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)
