A high copper alloy with extremely good
electrical and heat conductivity that is
strengthened by heat treatment and cold work.
Has good corrosion resistance and ductility
and is used mainly for fasteners. In the electrical industry it is used for switch gear and circuit breakers.
Tel +44 (0) 1782-816888
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A French AFNOR aerospace specification for CuNi3Si silicon bronze. The alloy is a precipitation hardening alloy and has good wear resistance and high strength coupled with good fatigue properties. The alloy also meets the requirements of BS 2B 25 and BS EN 12165/12163 CW111C.
Description | Copper Nickel Silicon |
---|---|
Nominal Composition | CuNi3Si |
Alloy Type | Wrought |
Tensile Strength (N/mm²) | 212 |
---|---|
Proof/Yield Strength (N/mm²) | 226 |
Elongation (%) | 28 |
Hardness Brinell | 76 |
Impact Izod J20°C |
Density g/cm³ | 8.8 |
---|---|
Melting Temperature Range °C | 1050-1070 |
Thermal Conductivity W/mK | 20 |
Electrical Resistivity μΩ.m15°C | 5.8 |
Coefficient of Thermal Expansion 0-250°C | 16 |
Relative Magnetic Permeability | < 1.01 |
Coefficient of Friction |
This Data is indicative only and must not be seen as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with tempeter, product and product dimensions. The information is based on our present knowledge and is given in good faith. However, no liability will be acepted by the Company in respect of any action taken by any third party in reliance thereon.
As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose.
Any advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. Any contract between the Company and a customer will be subject to the Company's Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions, a copy of which is available on request.