Cad-Chrom-Copper

COMPOSITION CADMIUM-CHROMIUM-COPPER, C 18135, PD-135
ELEMENT	PERCENT
ELEMENT	MINIMUM	MAXIMUM	MAXIMUM
Copper (Including Silver)	99.2	Remainder
Cadmium	.4	.2	.6
Chromium	.4	.2	.6
Copper (Including Silver and elements with specific limits)	--	99.9	--

PHYSICAL PROPERTIES CADMIUM-CHROMIUM-COPPER, C 18135, PD-135
	ENGLISH UNITS	METRIC UNITS
Melting Point	1976°F	1080°C
Density	.323 lb/cu in. @ 68°F	8.84 gm/cm@ 20°C
Specific Gravity	8.94	8.84
Coefficient of Thermal Expansion	.0000098 per °F (68-572°F)	.0000173 per °C (20-300°C)
Thermal Conductivity †	210 BTU/sq ft/ft/hr/°F @ 68°F	.87 cal/sq cm/cm/sec/°C @ 20°C
Electrical Resistivity (Annealed) †	11.3 Ohms circ mil per ft @ 68°F	1.87 microhm - cm @ 20°C
Electrical Conductivity (Annealed)†	92% Copper IACS @ 68°F	.533 megohm cm @ 20°C
Thermal Capacity (Specific Heat)	.09 BTU/lb/°F @ 68°F	.09 cal/gm/°C @ 20°C
Modulus of Elasticity (tension)	20,000 KSI	14,000 kg/sq mm
Modulus of Rigidity (torsion)	7500 KSI	5250 kg/sq mm
† Solution Heat Treated, Cold Worked and Aged

MECHANICAL PROPERTIES CADMIUM-CHROMIUM-COPPER, C 18135, PD-135
For Round, Half Round and Square Wire
DESIGNATION	TENSILE STRENGTH		PERCENT ELONGATION IN 2 in. IN 50 mm	ELECTRICAL CONDUCTIVITY IACS
	KSI*	MPa**
TH01 Solution Heat Treated, Cold Worked (99%) and Aged	70.0	483	10	85 min
Values for reference only. Not part of specification.

MECHANICAL PROPERTIES CADMIUM-CHROMIUM-COPPER, C 18135, PD-135
For Rolled Flat Wire other than Square Wire
DESIGNATION	TENSILE STRENGTH		PERCENT ELONGATION IN 2 in. IN 50 mm	PERCENT ELECTRICAL CONDUCTIVITY IACS
	KSI*	MPa**
TD01 Solution Heat Treated, Aged and Cold Worked	68.2	470	12	80
Values for reference only. Not part of specification.