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Alloy 865 Manganese Bronze

Sequoia Brass & Copper sells alloy 865 manganese bronze. This product has excellent mechanical qualities, good corrosion resistance, and can operate under very high speeds and heavy loads. 865 manganese bronze comes in sand cast plate and sand cast rod. The most common fabrication process is casting with high drossing and shrinking attributes. Typical uses of 865 manganese bronze are for automotive weld guns, builders hardware, electrical hardware, industrial products and marine parts.

  • Chemical Composition
  • Fabrication Properties
  • Casting Characteristics
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  • Typical Uses
  Cu Al Fe Pb Mn Ni Sn Zn
Min/Max 55.0 - 60.0 .5 - 1.5 .4 - 2.0 0.4 .10 - 1.5 1 1 36.0 - 42.0
Nominal 58 1 1.2 0.8 0.5 39
Joining Technique Suitability
Soldering Fair
Brazing Fair
Oxyacetylene Welding Poor
Gas Shielded Arc Welding Poor
Coated Metal Arc Welding Poor
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: 26
Product Forms
Sand Cast Plate
Sand Cast Rod
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 865 Manganese Bronze


Typical Uses

Weld guns
Builders Hardware
Electrical hardware
Struts, machinery, gears, compressors, forming dies, wear rings, pressing dies for wood pulp industry, hooks, frames, machinery parts requiring high strength, machinery parts, lever arms
Propellers for salt and fresh water, covers for marine hardware, clamps, boat parts, rudders