... 4.short delivery 5.ISO,API,CE Steel Pipe Fittings 1. Material: stainless steel,alloy steel,carbon steel 2. Size range: FROM 1/2" TO 106 ... ½” up to 106” From 1/2 to 36 (Seamless Pipe Fittings),Form16 to 106(Seam Pipe Fittings)ScheduleSCH STD, XS, XXS, SCH 10 ... /304L, WP316/316L, WP321, WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI ...