Nickel-chromium-cobalt-molybdenum-alloy, useful e.g. in tubes, comprises e.g. chromium, iron, carbon, manganese, silicon, cobalt, copper, molybdenum, titanium, aluminum, phosphorus, sulfur, boron, niobium, nitrogen, magnesium and calcium

摘要

Nickel-chromium-cobalt-molybdenum-alloy (I) comprises chromium (20-24 wt.%), iron (= 1.5 wt.%), carbon (0.03-0.1 wt.%), manganese (= 0.5 wt.%), silicon (= 0.25 wt.%), cobalt (10-15 wt.%), copper (= 0.1 wt.%), molybdenum (9-10.5 wt.%), titanium (0.1-0.8 wt.%), aluminum (0.3-2 wt.%), phosphorus (less than 0.012 wt.%), sulfur (less than 0.005 wt.%), boron (greater than 0.02 to less than 0.08 wt.%), niobium (0.2-2 wt.%), nitrogen (= 0.015 wt.%), magnesium (= 0.006 wt.%), calcium (= 0.01 wt.%), vanadium (= 0.05 wt.%), nickel (balance amount) and incidental impurities.