Alloy Grade UNS: C93700 Tin/Lead Alloys

  • Overview

    C93700 is a highly sought-after tin/lead alloy that offers a unique combination of performance characteristics and affordability. Its high lead content not only contributes to excellent score resistance, enabling it to withstand abrasive contact and resist damage, but also enhances thermal conductivity, facilitating efficient heat transfer. The alloy's structural uniformity ensures consistent properties throughout, promoting predictable behavior and reliable performance. Furthermore, C93700 exhibits good shear properties and compressive strength, allowing it to resist forces applied parallel to its surface and withstand compression. This blend of attributes makes C93700 a compelling choice for demanding environments where thermal management, structural integrity, and resistance to wear are critical considerations.

  • Typical Uses

    Bearings, bushings, centrifuge bushings, gears, hydraulic parts, impellers, liners, piston rings, pump and valve components, sleeves, steam fittings.

  • MetalTek Designation

    MTEK 80-10-10

  • Poured At:

    Wisconsin Centrifugal Division

Similar Specifications

Cast UNS: C93700

Cast Grade: C93700

Cast ASTM: B271, B22, B584

Military/AMS: QQ-C-390B

Other Specifications: SAE 64*

* Cross reference only, spec discontinued.

Typical Chemical Composition (% by wt.)

Aluminum: n/a

Carbon: n/a

Chromium: n/a

Manganese: n/a

Iron: n/a

Copper: 80

Nickel: n/a

Lead: 10

Tin: 10

Silicon: n/a

Zinc: n/a 10

Minimum Mechanical Properties

Brinell 500 KG Typical:

0

Tensile, ksi

0

Tensile, MPa

0

Yield, ksi

0

Yield, MPa

0

Elongation

0%

Frequently Asked Questions

Bearing bronze is an alloy designed for low-friction, high-wear-resistance applications in machinery bearings and bushings.

Used in sleeve bearings, pump bushings, and machinery where lubrication and wear resistance are essential.

It offers low friction, good load capacity, machinability, and resistance to seizure and galling in lubricated conditions.

Bearing bronze exhibits excellent conformability, embeddability, and resistance to wear and fatigue, making it ideal for sliding contact applications.

Explore Other Alloys

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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.
Stainless Steel Parts

Stainless Steel

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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Specialty Alloys

Specialty Alloys comprise a broad group of materials that deliver properties for more demanding applications, use more exotic or expensive materials, or require special processes to manufacture. Where standard materials may not offer desired performance, specialty alloys (including those that are modified further) may be a sensible selection.