Patent ID: 7785532

Claim:
A nickel-molybdenum-chromium alloy, capable of withstanding both strong oxidizing and strong reducing 2.5% hydrochloric acid solutions at 121° C., consisting essentially of: molybdenum 20.0 to 23.5 wt. % chromium 13.0 to 16.5 wt. % aluminum up to 0.5 wt. % manganese up to 1 wt. % magnesium up to 0.05 wt. % rare earth elements up to 0.05 wt. % iron up to 2.0 wt. % silicon up to 0.08 wt. % carbon up to 0.013 wt. % tungsten up to 0.75 wt. % cobalt up to 1.0 wt. % copper up to 0.5 wt. % titanium up to 0.2 wt. % niobium up to 0.5 wt. % tantalum up to 0.2 wt. % vanadium up to 0.2 wt. % nickel balance.