Related Specifications
- ASTM B139 C51000 H04
- AMS 4625
- QQ-B-750 Amd 2 Composition A Hard
Properties
Chemical Composition
Chemical Element | % Present |
---|---|
Phosphorous (P) | 0.00 - 0.20 |
Tin (Sn) | 0.00 - 5.00 |
Copper (Cu) | Balance |
Mechanical Properties
Mechanical Property | Value |
---|---|
Elongation A50 mm | 15-25 % |
Hardness Rockwell B | 78 HRB |
Tensile Strength | 485 N/mm2 |
0.2% Proof Stress | 400 N/mm2 |
General Physical Properties
Physical Property | Value |
---|---|
Density | 56.79 g/cm³ |
Melting Point | 927-1060 °C |
Electrical Resistivity | 52 x 10-6 Ω .m |
Applications
- 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
- Fasteners: Lock washers, fasteners, cotter pins
- Industrial: Bellows, textile machinery, perforated sheets, chemical hardware, truss wire, mechanical springs, sleeve bushings, diaphragms, clutch disks, welding rods, pressure responsive elements, sprinkler parts, textile machinery parts
Characteristics
- Good corrosion resistance
- Moderate strength properties
- Good in for anti-galling concerns
- Excellent machinability
- Low friction properties
- Good stiffness ratios
- Good cold forming properties