Carbon Steel Fittings Standard: ASTM / ASME A/SA 234 / 860 Grade: WPB, WPC, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Alloy Steel Butt Weld Fittings Standard: ASTM / ASME A/SA 234 Grade: WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 23, WP 91. |  |