Austenitic chromium-nickel-copper stainless steel and articles

摘要: Weldable austenitic chromium-nickel-copper stainless steel of low work-hardening rate and welded products fashioned thereof which are free incipient cracking near adjacent the weld upon cooling from welding temperatures. Such contain about 12 to 25% chromium, 6 20% nickel, 0.10 15% manganese, 2.5 4% copper, 0.01 0.07% carbon, with columbium-tantalum in amount at least 0.10% but no more than 0.5% and/or titanium 0.1% .25%. The remainder composition is substantially all iron.