... 3.Size: 1/2''~72'' astm sb407 no8810 alloy steel tube1 .nickel alloy steel tube rod pipe fittings 2.flange, elbow, reducer ... , cross, cap, nipple, coupling,etcStandard: ANSI ASTM ASME Nickel alloy steel 1. Alloy 200/Nickel 200/uns s2200,alloy400/monel 400/uns ... s4400, 2.Alloy 600/inconel 600/uns s6600, alloy 625/inconel 625/uns s6625, 3.Alloy 800/incoloy 800/uns s8800, alloy 825/ incoloy ...