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A US Federal Specification high tin bronze CuSn10P which has been superseded by ASTM B 139 C52400. This wrought alloy is normally supplied in the hard condition and is high strength with good fatigue properties making it an ideal alloy for highly stressed parts with high load and impact. It has the highest mechanical properties of the QQ-B-750 and ASTM B 139 series of alloys.
Description | Phosphor Bronze |
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Nominal Composition | CuSn10P |
Alloy Type | Cast |
Tensile Strength (N/mm²) | 420 |
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Proof/Yield Strength (N/mm²) | 190 |
Elongation (%) | 20 |
Hardness Brinell | 120 |
Impact Izod J20°C |
Density g/cm³ | 8.8 |
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Melting Temperature Range °C | 831-999 |
Thermal Conductivity W/mK | 47 |
Electrical Resistivity μΩ.m15°C | 0.17 |
Coefficient of Thermal Expansion 0-250°C | 18 |
Relative Magnetic Permeability | 1.001 |
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.