About Alloy
C51900 is a high-strength, corrosion-resistant alloy that belongs to the family of copper alloys known as copper-tin-phosphorus alloys. It is recognized for its excellent mechanical properties and suitability for demanding industrial applications. The alloy primarily consists of copper, tin, and phosphorus, with additional elements contributing to its specific properties.
C51900 is widely used in industries requiring robust materials capable of withstanding harsh conditions. Its notable features include high tensile strength, good wear resistance, and superb machinability. These attributes make it particularly suitable for applications such as bearings, bushings, pump components, and marine hardware where reliable performance under stress and in corrosive environments is crucial.
In summary, C51900 is valued for its combination of strength, corrosion resistance, and machinability, making it a preferred choice in industries ranging from marine engineering to machinery manufacturing where durability and reliability are paramount.
Product Form
BS 2870 (1980) superceded by BSEN 1652, BSEN 1653 and BSEN 1654 (1998)
BS 2873 (1969) superseded by BSEN 12166 (1998)
CuSn6
CW452K
Chemical Composition
| Weight % | Sn | Pb | Cu | P | Zn |
| PB 103 | 5.5 / 7.5 | 0.02 max | remainder | 0.02 / 0.04 | 0.3 max |
Property
| Material | 0.2% Proof Stress (N/mm²) | Tensile Strength (N/mm²) | Elongation in 50mm (%) | Vickers Hardness (HV) |
| PB 103 | 550 min | 620 min | 6 min | 200 min |
| The table shows material as cold rolled, extra hard | ||||
Application
Bearings and Bushings: Known for its high strength and wear resistance.
Marine Hardware: Used in fittings and propeller shafts due to its corrosion resistance in seawater.
Pump Components: Ideal for impellers, sleeves, and wear rings in pump systems.
Valve Components: Used for valve seats and stems for its durability and corrosion resistance.
Electrical Connectors: Suitable for terminals and connectors due to its electrical conductivity and tarnish resistance.
Machine Parts: Used in gears, nuts, bolts, and fittings for its machinability and dimensional stability.
Automotive Components: Utilized in bushings, bearings, and gears for its strength and resistance to automotive fluids.
C51900 tin bronze is valued across industries for its robustness, corrosion resistance, and reliability in various demanding applications.
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