Haynes International, Inc.

Nacera Sabrina Meck

Paul Crook

Vinay P Deodeshmukh

A nickel-chromium-molybdenum-copper alloy resistant to 70% sulfuric acid at 93&#xb0; C. and 50% sodium hydroxide at 121&#xb0; C. for acid and alkali neutralization in the field of waste management; the alloy contains, in weight percent, 27 to 33 chromium, 4.9 to 7.8 molybdenum, greater than 3.1 but no more than 6.0 copper, up to 3.0 iron, 0.3 to 1.0 manganese, 0.1 to 0.5 aluminum, 0.1 to 0.8 silicon, 0.01 to 0.11 carbon, up to 0.13 nitrogen, up to 0.05 magnesium, up to 0.05 rare earth elements, with a balance of nickel and impurities.

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Nacera Sabrina Meck