BS 2HR 404:2011 Specification for nickel-cobalt-chromium-molybdenum- titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5)
2011BS 2HR 404:2011 Specification for nickel-cobalt-chromium-molybdenum- titanium-aluminium heat-resisting alloy seamless tubes (Nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5)
1973BS HR 404:1973 Specification for nickel-cobalt-chromium-molybdenum-titanium-aluminium heat-resisting alloy cold worked solution treated seamless tubes (nickel base, Co 20, Cr 20, Mo 5.9, Ti 2.1, Al 0.5)