Alloy Grade UNS: ALLOY 230 – Extreme Heat

  • Overview

    Alloy 230 is known for extreme heat and corrosion services. It is easy to form and cast. Also known as N06230 in wrought form, it has good ductility and lower thermal expansion when compared to other high-temp alloys. It contains up to 24% chromium and up to 15% tungsten.

  • Typical Uses

    Chemical and food processing equipment, heat treat equipment and calciner components, turbine engine parts.

  • MetalTek Grade

    ALLOY 230

Similar Specifications

Wrought UNS: N06230

Typical Chemical Composition (% by wt.)

Aluminum: n/a

Carbon: 0.05-0.09

Chromium: 20-24

Manganese: 1

Iron: n/a

Copper: n/a

Nickel: BAL

Lead: n/a

Tin: n/a

Silicon: 0.25-0.75

Zinc: n/a

Other: W 13 -15; Mo 1-3; Fe; Co; AI; La; Ti

Minimum Mechanical Properties

Tensile, ksi


Tensile, MPa


Yield, ksi


Yield, MPa




Heat Treatment: Solution Anneal