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Alloy 863 Manganese Bronze

Sequoia Brass & Copper sells alloy 863 manganese bronze. C86300 continuous cast manganese bronze is a high strength, non-heat treatable copper alloy intended for use in applications requiring a good combination of outstanding wear characteristics and high bearing strength for heavy loads and slow speeds. This product has excellent mechanical qualities, good corrosion resistance, and can operate under very high speeds and heavy loads. 863 manganese bronze comes in sand cast plate, rod, and tube forms and is cut to order with your specifications. Typical applications include slow speed heavy duty load bearings, gears, cams and hydraulic cylinder parts.

  • Chemical Composition
  • Fabrication Properties
  • Casting Characteristics
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  Cu Al Fe Pb Mn Ni Sn Zn
Min/Max 60.0 - 66.0 5.0 - 7.5 2.0 - 4.0 0.2 2.5 - 5.0 1 0.2 22.0 - 28.0
Nominal 63 6.2 3 3.7 25
Joining Technique Suitability
Soldering Poor
Brazing Poor
Oxyacetylene Welding Poor
Gas Shielded Arc Welding Poor
Coated Metal Arc Welding Good
Spot Weld N/A
Seam Weld N/A
Butt Weld N/A
Capacity for Being Cold Worked N/A
Capacity for Being Hot Formed N/A
Machinability Rating: 8
 
Product Forms
Sand Cast Plate
Sand Cast Rod
Sand Cast Tube
Attribute Level
Casting Yield Low
Drossing High
Effect of Section Size Small
Fluidity Medium
Gassing Low
Patternmakers Shrinkage 1/4
Shrinkage High
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Common Fabrication Processes For 863 Manganese Bronze

Casting

Typical Uses

Builders Hardware
Brackets
Electrical
Switches, electrical components
Fasteners
Screw down nuts
Industrial
Bushings, high strength machine parts, hooks, frames, struts, gears, bridge pins, propellers, hydraulic cylinder parts, large valve stems, heavy load bearings, gib, cams, forming dies for wood pulp industry, wear rings for forming dies for wood pulp industry
Marine
Marine hardware, clamps, covers for marine hardware, boat parts, rudders