Shanghai Unique Alloy Co.Ltd
Focus on Copper Alloy
C54400 Free Cutting Phosphor Bronze
Diameter: min.1.0mm
Chemical Composition:
Sn: 3.50-4.50%
Pb: 3.50-4.50%
Zn: 3.50-4.50%
P: 0.01-0.50%
Fe: 0.10% Max.
Zn: Balance
Note: Copper plus additions equal 99.50% minimum.
Typical Physical Properties:
Specific Gravity: 8.89 g/cm3
Coefficient of Thermal Expansion per °C: 17.30 x 10-6 (20-300°C)
Electrical Conductivity (% IACS): 19.00 % @ 68 F
Thermal Conductivity: 50.00 Btu · ft/(hr · ft2·oF)at 68F
Modulus of Elasticity in tension: 15000 ksi
Note:
1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.
International Specification:
Rods/Bars: UNS.C54400, CDA544, ASTM B139, B103
European Standards: CuSn4Zn4Pb4,JIS H3270, EN 12164 CW 456 K
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