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Alloy 673 Silicon Manganese Bronze

Sequoia Brass & Copper sells alloy 673 silicon manganese bronze. Common fabrication processes for 673 manganese bronze are hot forming and pressing, and machining. 673 silicon manganese bronze comes in bar, forging, rod product forms. With excellent corrosion resistance and high strength, 673 silicon manganese bronze can operate at high speeds and heavy loads. Typical uses include fasteners, lead screw nuts, industrial projects, and marine hardware.

  • Chemical Composition
  • Fabrication Properties
  • Casting Characteristics
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  Cu Al Fe Pb Mn Ni Si Sn Zn
Min/Max 58.0 - 63.0 0.25 0.5 .40 - 3.0 2.0 - 3.5 0.25 .50 - 1.5 0.3 Rem.
Nominal 60.5 1.7 2.7 1 34.1
Joining Technique Suitability
Soldering N/A
Brazing N/A
Oxyacetylene Welding N/A
Gas Shielded Arc Welding N/A
Coated Metal Arc Welding N/A
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: 70
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Common Fabrication Processes For 673 Silicon Manganese Bronze

Hot forming, hot pressing, machining

Typical Uses

Fasteners, lead screw nuts
Clutch bearings, shaft bushings, propeller shafts, sleeve bearings, thrust bearings, pump parts, seal rings, spindles, idler pins, drive shafts, piston head, bearings, bushings, pins, wear plates, gears, cams, connecting rods
Hardware, valve seats