Welded Steel Pipe | American Piping Products
SA53 / A53 Welded — Grade B; API 5L Welded — Grades B, X42, X52, X60, X65 and X70 (PSL1 or PSL2) A672 (welded alternative to A106 seamless) A671 (welded alternative to A333 low temp) Flanges & Fittings. A/SA234 — WPW or WPWX Grades B & C High Yield MSS SP-75 — Grades WPHY42, WPHY52, WPHY60, WPHY65 and WPHY70