Carbon Steel bend

ASTM A234 WPB,WPC, A105; A420 WPL6,WPL9,WPL3, WPL8; WPHY42,46,52,56,60,65,70

Alloy Steel bend

ASTM A234 WP1, WP12, WP11, WP22, WP5, WP7, WP8, and WP91

Stainless Steel bend

ASME A403 WP304,304L,316,316L, 319, 310S, 321, 321H