CuSn12, C91700, CC483K,G-CuSn12, 423123,
2.1052.01, 2.1052.03, 2.1052.04, EN 12163/12167/12168, C90700, ASTM B505, ASTM B271, ASTM B139.
CuSn12 is a tin bronze alloy containing approximately 12% tin. It is renowned for its excellent wear resistance, corrosion resistance, and strength, making it suitable for heavy-duty applications.
Chemical Composition
Cu: Rest Sn: 11.00 - 13.00 P: 0.30 Max Others: 0.20 Max
Mechanical Composition
Tensile Strength: ~250-350 MPa Yield Strength: ~100-150 MPa. Elongation at Break: ~10-15%. Hardness (Brinell): ~70-120 HB. Modulus of Elasticity: ~100-120 GPa.
Applications of CuSn12
Heavy machinery Marine industry Aerospace industry Automotive industry High load & low speed applications
Avaliable forms of CuSn12
Round bars Flat bars Blocks Ring bars Sheets Strips
CuSn12, C91700, CC483K,GCuSn12, 423123, 2.1052.01, 2.1052.03, 2.1052.04, EN 12163/12167/12168, C90700, ASTM B505, ASTM B271, ASTM B139.
CuSn12 is a tin bronze alloy containing approximately 12% tin and the remainder being copper. It belongs to the family of copper-tin alloys known for their excellent mechanical and tribological (friction and wear) properties. CuSn12 is widely used in engineering and industrial applications due to its combination of strength, corrosion resistance, and wear resistance.
Specifications
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High Wear Resistance:
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Excellent for applications involving sliding motion or heavy friction.
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Corrosion Resistance:
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Outstanding resistance to seawater, acids, and industrial chemicals.
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Strength and Ductility:
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Strong and moderately ductile, making it suitable for high-load applications.
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Good Casting Properties:
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Easily cast into complex shapes.
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Thermal and Electrical Conductivity:
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Decent thermal conductivity and lower electrical conductivity compared to pure copper.
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Applications
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Heavy-Duty Bearings and Bushings: Used in machinery with high-load and low-speed operations.
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Marine Components: Propellers, shafts, and other parts exposed to seawater.
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Industrial Gears and Worm Wheels: Resistant to wear and galling.
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Hydraulic Applications: Sealing rings and thrust washers.
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Aerospace:
Components requiring resistance to friction and high mechanical strength.
Standards
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EN 1982: European standard for casting tin bronzes (CuSn12-C).
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UNS C90700: U.S. equivalent.
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ISO 1338: International standard for wrought tin bronzes.
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ASTM B505/B271: Continuous cast and sand cast bronze standards.
CuSn12 is a versatile and reliable material, making it indispensable in industries where durability and resistance to wear and corrosion are paramount.