COMPOSITION (%)
Nominal | Minimum | Maxiumum | |
---|---|---|---|
Copper | — | 99.95 | — |
Residual | |||
Deoxidants | — | None | None |
PHYSICAL PROPERTIES
English Units | C.G.S. Units | |
---|---|---|
Melting Point (Liquidus) | 1981°F | 1083°C |
Density | .323 lb./cu. in. @ 68°F | 8.94 gm/cu. in. @ 20°C |
Specific Gravity | 8.94 | 8.94 |
Coefficient of Thermal Expansion | .0000094 per °F from 68°F to 212°F | .0000170 per °C from 20°C to 100°C |
Coefficient of Thermal Expansion | .0000096 per °F from 68°F to 392°F | .0000173 per °C from 20°C to 200°C |
Coefficient of Thermal Expansion | .0000098 per °F from 68°F to 572°F | .0000177 per °C from 20°C to 300°C |
Thermal Conductivity | 226 Btu./sq. ft./ft./hr./°F @ 68°F | .934 cal./sq. cm./sec./°C @ 20°C |
Electrical Resistivity (Annealed) | 10.3 Ohms (circ. mil./ft.) @ 68°F | 1.71 Microhm-cm @ 20°C |
Electrical Conductivity* (Annealed) | 101% IACS @68°F | .586 Megohm-cm @ 20°C |
Thermal Capacity (Specific Heat) | .092 Btu./lb./°F @ 68°F | .092 cal./gm./°C @ 20°C |
Modulus of Elasticity (Tension) | 17,000,000 psi | 12,000 Kg./sq. mm |
Modulus of Rigidity | 6,400,000 psi | 4,500 Kg./sq. mm |
*Volume basis
MECHANICAL PROPERTIES
Size Section | Temper | Tensile Strength psi | Yield Strength (.5% Extension Under Load) psi | Reduction of Area % | Elongation in 2” % | Rockwell Hardness | Shear Stength psi | Fatigue Strength | |||
---|---|---|---|---|---|---|---|---|---|---|---|
F | B | 30T | psi | Million Cycles | |||||||
Flat Products | |||||||||||
0.040 in. | 0.050 mm | 32,000 | 10,000 | — | 45 | 40 | — | — | 22,000 | — | — |
0.025 mm | 34,000 | 11,000 | — | 45 | 45 | — | — | 23,000 | 11,000 | 100 | |
Eighth Hard | 36,000 | 28,000 | — | 30 | 60 | 10 | 25 | 25,000 | — | — | |
Quarter Hard | 38,000 | 30,000 | — | 25 | 70 | 25 | 36 | 25,000 | — | — | |
Half Hard | 42,000 | 36,000 | — | 14 | 84 | 40 | 50 | 26,000 | 13,000 | 100 | |
Hard | 50,000 | 45,000 | — | 6 | 90 | 50 | 57 | 28,000 | 13,000 | 100 | |
Spring | 55,000 | 50,000 | — | 4 | 94 | 60 | 63 | 29,000 | 14,000 | 100 | |
Extra Spring | 57,000 | 53,000 | — | 4 | 95 | 62 | 64 | 29,000 | — | — | |
As Hot Rolled | 34,000 | 10,000 | — | 45 | 45 | — | — | 23,000 | — | — | |
0.250 mm | 0.050 mm | 32,000 | 10,000 | — | 50 | 40 | — | — | 22,000 | — | — |
Eighth Hard | 36,000 | 28,000 | — | 40 | 60 | 10 | — | 25,000 | — | — | |
Quarter Hard | 38,000 | 30,000 | — | 35 | 70 | 25 | — | 25,000 | — | — | |
Hard | 50,000 | 45,000 | — | 12 | 90 | 50 | — | 28,000 | — | — | |
As Hot Rolled | 32,000 | 10,000 | — | 50 | 40 | — | — | 22,000 | — | — | |
1.0 in. | Hard | 45,000 | 40,000 | — | 20 | 85 | 45 | — | 26,000 | — | — |