Overview
Heat resistant Fe - Cr - Ni alloy with Al additions to form an aluminum scale at high temperatures for extreme oxidation, corrosion, coking, and carburization resistance at high temperatures.
Typical Uses
Furnace rolls, heat treatment and calciner components, petrochemical furnaces.
MetalTek Grade
HP-AL
Similar Specifications
Typical Chemical Composition (% by wt.)
Aluminum: 1.8-3.0
Carbon: 0.33-0.43
Chromium: 24-28
Manganese: 2 MAX
Iron: BAL
Copper: n/a
Nickel: 33-37
Lead: n/a
Tin: n/a
Silicon: 2.25 MAX
Zinc: n/a
Other: Nb 0.5