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Help CenterCuSn4Zn4Pb4 - UNS.C54400 Free Cutting Phosphor Bronze Alloys
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Specifications
CuSn4Zn4Pb4 - UNS.C54400 Free Cutting Phosphor Bronze Alloys1.high conductivity
2.high tensile strength
3. Switch Parts
C54400 Details & Applications:
C54400 Free Cutting Phosphor Bronze
CuSn4Zn4Pb4 - UNS.C54400 Phosphor Bronze Alloys, is a multi-alloy phosphor bronze containing 4% tin, 4% zinc and 4% lead, is the finest bearing alloy that the industry has to offer, it is a lead-containing multi-alloy bronze exhibiting a very good machinability, it is furthermore distinguished by its excellent spring properties. C54400 is used for electrical contacts which have to be manufactured as turned part. C54400 can be work-hardened up to 800 N/mm2 and therefore if of considerably higher strength than lead-containing brass alloy. When annealed, this metal can be bent, formed, blanked, and stamped.
Typical Application for C54400 Phosphor Bronze Alloys
Electrical: Electrical Connectors
Industrial: Cam followers, Bushings, Gears, Pinions, Shafts, Valve Parts, Sleeve Bearings, Thrust Bearings, Screw Machine Products, Bearings, Thrust Washers
Marine: Marine Parts
Available Sizes:
Custom Diameter & Sizes, Random Mill lengths
Available Products (forms):
Round bars, Flat bars, Square bars, Round Wires, Round Strips
Custom shapes are available upon request.
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
Note:
ASTM: American Society for Testing and Materials
RWMA: Resistance Welder Manufacturers' Association
Note: Unless otherwise specified, material will be produced to DIN & RWMA.
Mechanical Properties:
The detailed Mechanical Properties will be available on request from customers.
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