Copper Alloys
Phosphor Bronze Grade A
Application & Characteristics | |
---|---|
Bourdon tubing and spirals, bellows, fasteners, sleeve bushings and electrical parts. Resists corrosion and fatigue due to flexing. | |
Chemical Composition (%) | |
Cu 95; Sn 5; P 0.20 | |
Physical Properties | |
Melting Range (°F) | 1750 1920 |
Density (lbs/in³) 68F | 0.32 |
Thermal Expansion (in/in °Fx10 to the power of -6) | 9.9 |
Electrical Resistivity (ohms/cir mil/ft.) 68F | 69.1 |
Mechanical Properties Temper = A | |
Tensile Strength (psi x 10³) | 47 |
Yield Strength (psi x 10³) | 19 |
Elongation ( % ) | 64 |
Hardness | F73(Rockwell) |
Mechanical Properties Temper = H/2 | |
Tensile Strength (psi x 10³) | 68 |
Yield Strength (psi x 10³) | 55 |
Elongation ( % ) | 28 |
Hardness | B78(Rockwell) |
Mechanical Properties Temper = H | |
Tensile Strength (psi x 10³) | 81 |
Yield Strength (psi x 10³) | 75 |
Elongation ( % ) | 10 |
Hardness | B87(Rockwell) |
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