Alloy Grade UNS: CAF 764 – Heat and Corrosion Resistant Alloy

  • Overview

    CAF 764 is a specialized alloy designed to excel in environments that are both extremely hot and corrosive. This heat and corrosion resistant alloy maintains its strength and structural integrity at elevated temperatures, making it suitable for applications where components are exposed to extreme heat and corrosive elements simultaneously. CAF 764 resists oxidation and creep, phenomena that can degrade materials at high temperatures, ensuring long-term performance and reliability in demanding conditions. Its ability to withstand both heat and corrosion makes it a valuable choice for applications in industries such as aerospace, chemical processing, and power generation, where components must operate reliably under extreme conditions.

  • Typical Uses

    Pump and valve components, rollers, bearings, bushings, and cutting tools.

  • MetalTek Grade

    CAF 764

  • Poured At:

    Carondelet Division, Wisconsin Investcast Division

Similar Specifications

Typical Chemical Composition (% by wt.)

Aluminum: n/a

Carbon: 1.1-1.7

Chromium: 29-31

Manganese: 2.0-3.0

Iron: 2.5 MAX

Copper: n/a

Nickel: 1.0-2.0

Lead: n/a

Tin: n/a

Silicon: 0.5-1.0

Zinc: n/a

Other: W 8.5-12.5; Co BAL

Minimum Mechanical Properties

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Non-ferrous alloys are, literally, materials that are not iron-based. While others may provide non-ferrous materials of other materials, the MetalTek family of non-ferrous alloys are copper-based. In general, these materials deliver high strength, and excellent wear and corrosion resistance. They are often found in marine applications and also bushing, bearing, and gear environments.
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Stainless steels owe their ability to resist corrosion primarily to the presence of a passive film on their surface. Chromium is chiefly responsible for formation of the passive film. Iron ceases to rust at approximately 12% chromium content and resistance to oxidizing corrosives increases rapidly with chromium content up to approximately 20%.
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