Alloy Grade UNS: HP-AL – Heat resistant Fe – Cr – Ni alloy

  • 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

Minimum Mechanical Properties