CuSn7Pb15-C
EN 1982
- Marine
- Large Bearings for Ships
- Industrial
Typical Uses
Industrial
Railroad Engine Casings, General Service Bearings for Moderate Pressure, Wearing Material for Rod Bushings, Wearing Material for Wedges, Wearing Material for Shoes, Pump Impellers for Acid Mine Water, Pump Bodies for Acid Mine Water, Freight Car Bearings, Backs for Lined Journal Bearings for Locomotives, Backs for Lined Journal Bearings for Passenger Cars, Bearings, Pumps, Industrial Centrifuges, Machine Parts, Low Friction, Moderate Pressure Bushings, Railroad Applications, Acid Resisting Applications.
Marine
Large Bearings for Ships.
CC496K
Chemical Composition
(%max, unless shown as range or min)
| Cu | Ni | P | Pb | Sn | Zn | Al | Fe | Mn | S | Sb | Si |
| Min/Max | 74.0-80.0 | 0.5 – 2.0 | 0.1 | 13.0-17.0 | 6.0-8.0 | 2.0 | 0.01 | 0.25 | 0.2 | 0.1 | 0.5 | 0.01 |
Applicable Specifications
*BS EN 1982
Fabrication Processes
* Continuous Casting
Fabrication Properties
| Joining Technique | Suitability |
| Soldering | Good |
| Brazing | Poor |
| Oxyacetylene Welding | Not Recommended |
| Gas Shielded Arc Welding | Not Recommended |
| Coated Metal Arc Welding | Not Recommended |
| Machinability Rating | 80 |
Mechanical Properties
| Tensile Strength Rm N/mm2 min. | 0.2% Proof Strength Rp0.2 N/mm2 min. | Elongation A % min. | Hardness HB min. |
| 200 | 90 | 8 | 65 |
Physical Properties
| US Customary | Metric |
| Melting Point – Liquidus | 1730 F | 943 C |
| Melting Point – Solidus | 1570 F | 854 C |
| Incipient Melting | 600 F | 316 C |
| Density | 0.334 lb/in3 at 68 F | 9.25 gm/cm3 at 20 C |
| Specific Gravity | 9.25 | 9.25 |
| Electrical Resistivity | 91.1 ohms-cmil/ft at 68 F | 15.15 microhm-cm at 20 C |
| Electrical Conductivity | 11 %IACS at 68 F | 0.066 MegaSiemens/cm at 20 C |
| Thermal Conductivity | 30.2 Btu · ft/(hr · ft2·°F) at 68 F | 52.3 W/m ·°K at 20 C |
| Coefficient of Thermal Expansion | 10.3·10-6 per °F (68-392 F) | 18.5·10-6 per °C (20-200 C) |
| Specific Heat Capacity | 0.09 Btu/lb/°F at 68 F | 377.1 J/kg · °K at 20 C |
| Modulus of Elasticity in Tension | 10500 ksi | 72400 MPa |
| Magnetic Permeability | 1.0 | 1.0 |
EN
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