... , cross, cap, nipple, coupling,etcStandard: ANSI ASTM ASME Nickel alloy steel 1.alloy 200/Nickel 200/uns s2200,alloy400/monel 400/uns ... /uns s6600, alloy 625/inconel 625/uns s6625, 3.alloy 800/incoloy 800/uns s8800, alloy 825/ incoloy 825/uns s8825,4.alloy c/ hastelloy ... c;5.alloy 20 31 200 ...