... manufacturers 2.short delivery time 3.high quality elbow 4.L/C,T/T 5.ISO,CE,API Elbow Manufacturers ... 1. Material: stainless steel,alloy steel,carbon steel 2. Size range: FROM ... Monel K500WPS 31254 S32750, UNS S32760 4 STAINLESS STEEL ASTM A403 WP304/304L, WP316/316L, WP321, ... WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, ...