... 2.Grade: NO8810 3.Size: 1/2''~72'' astm sb407 no8810 alloy steel tube1 .nickel alloy steel tube rod pipe fittings 2.flange, elbow, reducer, tee ... ,tee, flange, cross, cap, nipple, coupling,etcStandard: ANSI ASTM ASME Nickel alloy steel 1. Alloy 200/Nickel 200/uns s2200,alloy400/monel 400/uns s4400, 2 ...