... , 625, 690,718,800, 800T, 825, Hastelloy, Monel,Nickel 200,Nickel 201,Inconel 600 seamless alloy tube1) OD: 6mm - 630mm 2 ... Chromium content made it with better corrosion resistance than Nickel 99.2 (alloy200) and Nickel 99.2 ( alloy201,low carbon) in the oxidize ... environment. Meantime, high Nickel content make this alloy with good ...