Alloy Grade UNS: R30031- Non-Galling Alloy

  • Overview

    R30031 is a non-galling high-temperature alloy offering heat and thermal shock resistance. The alloy contains up to 26.5% chromium, which provides added corrosion resistance. It also contains up 11.5% chromium.

  • Typical Uses

    Aerospace, bearings, housings, medical devices.

  • MetalTek Grade

    MTEK 31

Similar Specifications

Cast UNS: R30031

Cast Grade:

Cast ASTM: A732

Military/AMS: AMS 5382

* AMS specifying investment casting.

Typical Chemical Composition (% by wt.)

Aluminum: n/a

Carbon: 0.45-0.55

Chromium: 24.5-26.5

Manganese: 1

Iron: 2.0 MAX

Copper: n/a

Nickel: 9.5-11.5

Lead: n/a

Tin: n/a

Silicon: 1

Zinc: n/a

Other: Co BAL; W 7-8

Minimum Mechanical Properties

Heat Treatment: Not Heat Treated