Copper-Nickel-Tin... - Plated Wire, Beryllium Copper Wire, Phosphor Bronze Wire, Copper Beryllium Wire

COMPOSITION
COPPER-NICKEL-TIN C72500

PHYSICAL PROPERTIES
COPPER-NICKEL-TIN C72500

HEAT TREATED CONDITION

ENGLISH UNITS

METRIC UNITS

Melting Range

1940-2065°F

1060-1130°C

Density

.321 lb/cu in. @ 68°F

8.89 gm/cm@ 20°C

Specific Gravity

8.89

8.89

Coefficient of Thermal
Expansion

.0000092 per °F (68-572°F)

.0000165 per °C (20-300°C)

Thermal Conductivity

31 BTU/sq ft/ft/hr/°F @ 68°F

.13 cal/sq cm/cm/sec/°C @ 20°C

Electrical Resistivity

94.3 Ohms circ mil per ft @ 68°F

15.7 microhm - cm @ 20°C

Electrical Conductivity

11% Copper IACS @ 68°F

.064 megohm cm @ 20°C

Modulus of Elasticity
(tension)

20,000 KSI

14,100 kg/sq mm

Modulus of Rigidity
(torsion)

7,500 KSI

5,200 kg/sq mm

Annealing Temperature

1200-1475°F

650-800°C

MECHANICAL PROPERTIES
COPPER-NICKEL-TIN C72500

YIELD STRENGTH
.2% Offset †

% †
ELONGATION
in 10 in.

Range - apply ą5 KSI to hardest material rising to ą8 KSI on annealed.

MECHANICAL PROPERTIES
COPPER-NICKEL-TIN C72500