Designation UNS number N10665 US name ASTM Grade N10655 EN number 2.4617 Composition: HASTELLOY B-2 C (carbon) 0 – 0.02 % Co (cobalt) 0 – 1 % Cr (chromium) 0 – 1 % Fe (iron) 0 – 2 % Mn (manganese) 0 – 1 % Mo (molybdenum) 26 – 30 % Ni (nickel) 64.8 – … Continue reading HASTELLOY B-2 Chemical Composition (plate, Nickel-molybdenum alloy)