CuSn4 - UNS.C51100 Phosphor Bronze Alloys rod

Specifications

CuSn4 - UNS.C51100 Phosphor Bronze Alloys rod
1.high conductivity
2.high tensile strength
3. Switch Parts
4.Welding Rods

  

C51100 Phosphor Bronze

CuSn4 - UNS.C51100 Phosphor Bronze Alloys, with a nominal composition of 95.60% copper and 4.2% tin, deoxidized with phosphorus, possesses mechanical properties and fabricating characteristics similar to Phosphor Bronze 5% - C51000 alloy but with 35% higher electrical and thermal conductivity by virtue of the lower tin content. C51100 alloy also offers a combination of high strength and ductility, excellent spring properties, good bearing qualities and wear resistance, excellent corrosion resistance and good resistance to stress relaxation. The improved electrical conductivity as compared to UNS.C51000 allows for miniaturization of electric current-carrying contacts and connectors.

Typical Application for C51100 Phosphor Bronze Alloys
Architecture: Bridge Bearing Plates
Electrical: Terminals,Contacts, Switch Parts, Electromechanical Spring Components, Resistance Wire, Electrical Flexing Contact Blades, Electrical Connectors, Electronic Connectors, Wire Brushes, Electronic and Precision Instrument Parts, Fuse, Clips, Terminal Brackets, Kettles, Pots, Perforated sheets, Textile Machinery parts
Fasteners: Lock Washers, Fasteners, Cotter Pins
Industrial: Bellows, Textile Machinery, Perforated Sheets, Chemical Hardware, Truss Wire, Mechanical Springs, Sleeve Bushings, Diaphragms, Clutch Disks, Bourdon Tubes, Beater Bar, Welding Rods, Pressure Responsive Elements
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:

Specific Gravity: 8.86 g/cm3
Coefficient of Thermal Expansion per °C: 17.80 x 10-6 (20-300°C)
Electrical Conductivity (% IACS): 20% @ 68 F
Thermal Conductivity: 48.00 Btu · ft/(hr · ft2·oF)at 68F
Modulus of Elasticity in tension: 16000 ksi

Note: 
1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.

Typical Physical Properties:

Specific Gravity: 8.86 g/cm3
Coefficient of Thermal Expansion per °C: 17.80 x 10-6 (20-300°C)
Electrical Conductivity (% IACS): 20% @ 68 F
Thermal Conductivity: 48.00 Btu · ft/(hr · ft2·oF)at 68F
Modulus of Elasticity in tension: 16000 ksi

Note: 
1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.

International Specification:

Rods/Bars/Strips: UNS.C51100, CDA511, ASTM B139, B103, B888
European Standards: CuSn4, JIS C5111, CW 450 K, PB 101

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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