Overview
50Cr - 50Ni - CB alloy is a nickel-chromium, high-temperature, corrosion-resistant specialty alloy that resists fuel ash corrosion, specifically sulfur and vanadium attack. Its service limit is 1740 degrees Fahrenheit (950 degrees Celsius) and has a high heat capacity and excellent tensile strength.
Typical Uses
Petrochemical furnaces.
MetalTek Grade
MTEK 50-50Nb
Similar Specifications
Cast UNS: R20501
Wrought Grade: IN 657 (Cast)
Cast Grade: 50Cr-50Ni-Cb
Cast ASTM: A560
Typical Chemical Composition (% by wt.)
Aluminum: n/a
Carbon: 0.1
Chromium: 47-52
Manganese: 0.3
Iron: n/a
Copper: n/a
Nickel: BAL
Lead: n/a
Tin: n/a
Silicon: 0.5
Zinc: n/a
Other: Nb 1.4-1.7
Minimum Mechanical Properties
Heat Treatment: Not Heat Treated