Copper Alloy C14500

General Characteristics
C14500 Tellurium Copper or Tellurium-Bearing has applications in screw machine products and parts requiring high conductivity, extensive machining, corrosion resistance, copper color, or a combination of these; electrical connectors, motor and switch parts, plumbing fittings, welding torch tips, transistor bases and furnace brazed articles. Plates can also be forged and machined from this alloy.
Typical Chemical Composition

Weight % Cu + Ag + Te P Te

minimum 99.90 0.004 0.40

maximum — 0.012 0.60

Weight %	Cu + Ag + Te	P	Te
minimum	99.90	0.004	0.40
maximum	—	0.012	0.60

Characteristics		English	Metric
Nominal density (68°F/20°C)		0.323 lbs/in³	8.94 g/cm³
Melting range		1924 – 1967 °F	1051 – 1075 °C
Specific heat (212 °F/100°C)		0.092 BTU/lb – °F	385 J/KG- °K
Coefficient of thermal expansion	68°F – 212°F 20°C – 100°C	9.5 micro in/in- °F	17.1 micro m/m- °K
	68°F – 392°F 20°C – 200°C	9.67 micro in/in- °F	17.4 micro m/m- °K
	68°F – 572°F 20°C – 300°C	9.89 micro in/in- °F	17.8 micro m/m- °K
Thermal conductivity	20°C / 68°F	205 BTU/ft- hr – °F	355 W/m – °K
Electrical conductivity	Volumetric: 20°C / 68°F	93% IACS
Electrical resistivity	20°C / 68°F	18.6 nΩ · m

Temper		Tensile					Hardness	Shear
		Ultimate		Yield		Elongation in 50 mm (2 in.)	Rockwell B	Shear strength
		KSI	MPa	KSI	MPa	%		KSI	MPa
H02 – ½Hard	6 mm (0.25 in.) diameter	43	295	40	275	18	43	26	180
H04 – Hard	6 mm (0.25 in.) diameter	53	365	49	340	10	54	29	200
OSO15 – 0.015mm grain size	13 mm (0.50 in.) diameter	33	230	11	76	46	43 HRF	22	150
H02 – ½Hard		43	295	40	275	20	43	26	180
H04 – Hard		48	330	44	305	15	48	27	185
OSO15 – 0.015mm grain size	25 mm (1 in.) diameter	32	220	10	69	50	40 HRF	22	150
H02 – ½Hard		42	290	40	275	25	42	25	170
H04 – Hard		48	330	44	305	20	48	27	185
H02 – ½Hard	50 mm (2 in.) diameter	42	290	39	270	35	42	25	170

Copper Alloy C14500 Sales:+972 4 618 2000

General Characteristics
C14500 Tellurium Copper or Tellurium-Bearing has applications in screw machine products and parts requiring high conductivity, extensive machining, corrosion resistance, copper color, or a combination of these; electrical connectors, motor and switch parts, plumbing fittings, welding torch tips, transistor bases and furnace brazed articles. Plates can also be forged and machined from this alloy.
Typical Chemical Composition

Weight % Cu + Ag + Te P Te

minimum 99.90 0.004 0.40

maximum — 0.012 0.60

Weight %	Cu + Ag + Te	P	Te
minimum	99.90	0.004	0.40
maximum	—	0.012	0.60

Characteristics		English	Metric
Nominal density (68°F/20°C)		0.323 lbs/in³	8.94 g/cm³
Melting range		1924 – 1967 °F	1051 – 1075 °C
Specific heat (212 °F/100°C)		0.092 BTU/lb – °F	385 J/KG- °K
Coefficient of thermal expansion	68°F – 212°F 20°C – 100°C	9.5 micro in/in- °F	17.1 micro m/m- °K
	68°F – 392°F 20°C – 200°C	9.67 micro in/in- °F	17.4 micro m/m- °K
	68°F – 572°F 20°C – 300°C	9.89 micro in/in- °F	17.8 micro m/m- °K
Thermal conductivity	20°C / 68°F	205 BTU/ft- hr – °F	355 W/m – °K
Electrical conductivity	Volumetric: 20°C / 68°F	93% IACS
Electrical resistivity	20°C / 68°F	18.6 nΩ · m

Temper		Tensile					Hardness	Shear
		Ultimate		Yield		Elongation in 50 mm (2 in.)	Rockwell B	Shear strength
		KSI	MPa	KSI	MPa	%		KSI	MPa
H02 – ½Hard	6 mm (0.25 in.) diameter	43	295	40	275	18	43	26	180
H04 – Hard	6 mm (0.25 in.) diameter	53	365	49	340	10	54	29	200
OSO15 – 0.015mm grain size	13 mm (0.50 in.) diameter	33	230	11	76	46	43 HRF	22	150
H02 – ½Hard		43	295	40	275	20	43	26	180
H04 – Hard		48	330	44	305	15	48	27	185
OSO15 – 0.015mm grain size	25 mm (1 in.) diameter	32	220	10	69	50	40 HRF	22	150
H02 – ½Hard		42	290	40	275	25	42	25	170
H04 – Hard		48	330	44	305	20	48	27	185
H02 – ½Hard	50 mm (2 in.) diameter	42	290	39	270	35	42	25	170