Alloy Grade UNS: C90500 – Gun Metal

  • Overview

    The C90500 is also referred to as gunmetal. It is a red brass and was originally used for making guns, hence the name. It is a tin bronze and contains 87.5% copper. It has high strength characteristics, along with good thermal conductivity. It has a high cost as a bronze tin alloy.

  • Typical Uses

    Pump impellers, pump bodies, bearings, bushings, gears, steam fittings, valve components.

  • MetalTek Grade

    TIN BRONZE

Similar Specifications

Cast UNS: C90500

Cast Grade: C90500

Typical Chemical Composition (% by wt.)

Aluminum: 0.005

Carbon: n/a

Chromium: n/a

Manganese: n/a

Iron: 0.2

Copper: 87.5

Nickel: 1

Lead: 0.3

Tin: 10

Silicon: 0.005

Zinc: 2

Other: P 0.05; S 0.05; Sb 0.2

Minimum Mechanical Properties

Tensile, ksi

0

Tensile, MPa

0

Yield, ksi

0

Yield, MPa

0

Elongation

0%

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Non-Ferrous

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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