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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.

Bar Length : 3000mm
Rectangle : Up to 303mm W
Square : Up to 153mm
Hexagonal : Up to 76mm
Hollow : 26X14mm - 292X238mm
Round : 10mm-303mm
Product availabillity

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/mmmin. 0.2% Proof Strength Rp0.2  N/mmmin. 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