Types: ELBOW, TEES, REDUCERS, CAPS, SPLIT TEE, Y TEE, BARRED TEE, STUB ENDS. ETC. Specifications and Steel Grade: CARBON STEEL: ASTM A234 WPB, WPC; ASTM A420 WPL9, WPL3, WPL6, WPHY-42, WPHY-46, WPHY-52, WPHY-60, WPHY-65, WPHY-70, ALLOY STEEL: ASTM A234 WP1, WP11, WP12, WP22, WP5, WP9, WP91 STAINLESS STEEL: ASTM A403 WP304 304L, WP316 316L, WP321, WP347