High Conductivity Copper Alloys

ALLOY:
Low-alloyed copper, high electric and thermal conductivity and middle-range mechanical properties.

REFERENCE NORMS:

DIN ASTMR WMA

17672 – Wr. 2.1293	C 18150	Classe II

OTHER NORMS:
EN-12167-Nr.CW106C

CHEMICAL ANALYSIS:

CuCrZr

Resto	0,30 ÷ 1,20	0,10 ÷ 0,20

MATERIAL DESCRIPTION:
High electric and thermal conductivity and good mechanical properties.

MECHANICAL PROPERTIES:

Tensile strength – Rm – N/mm²	350 ÷ 420
Yield strength – Rp 0,2 – N/mm²	240 ÷ 320
Elongation – A5 %	16 ÷ 28
Hardness Brinell – HB 10	105 ÷ 135

PHYSICAL PROPERTIES:

Density	8,9 kg/dm³
Electric conductivity – I.A.C.S. %	75 ÷ 85% (49 ÷ 51 MS/m)
Thermal conductivity – W/m°k	320 W/m°k
Thermal expansion from 20° to 200° C x 10^-6	17

200 NCS - Cu Ni Cr Si

ALLOY:
Nickel chromium copper alloy with good conductivity and high mechanical properties.

REFERENCE NORMS:

DIN ASTM RWMA

17657 – Wr 2.0857	C 18000	Classe III

OTHER NORM:
UNI/2528/74

CHEMICAL ANALYSIS:

Cu+NiCrSi

	2,5 ÷ 3,5	0,2 ÷ 0,3	0,6 ÷ 0,8

MATERIAL DESCRIPTION:
Alloy with mechanical properties very close to beryllium copper alloy’s, but with a better electric and thermal conductivity.

MECHANICAL PROPERTIES:

Tensile strength – Rm – N/mm²	550 – 635
Yield strength – Rp 0,2 – N/mm²	550 – 635
Elongation – A5 %	5 – 12
Hardness Brinell – HB 30	200 – 220

PHYSICAL PROPERTIES:

Density	8,9 kg/dm³
Electric conductivity – I.A.C.S. %	45 – 42
Thermal conductivity – W/m°k	200
Thermal expansion from 20° to 200° C x 10^-6	16

234 B - Cu Co Be

ALLOY:
Cobalt-beryllium copper alloy.

REFERENCE NORMS:

DIN ASTM RWMA

17672 – Wr. 2.1285	C 17500	Classe III

OTHER NORMS:
EN – 12167 – CW104C

CHEMICAL ANALYSIS:

CuCoBe

Resto	2,0 – 2,5	0,4 ÷ 0,7

MATERIAL DESCRIPTION:
Beryllium alloy with high mechanical properties and good electric and thermal conductivity.

MECHANICAL PROPERTIES:

Tensile strength – Rm – N/mm²	690 – 850
Yield strength – Rp 0,2 – N/mm²	590 – 790
Elongation – A5 %	10 – 16
Hardness Brinell – HB 30	220 – 240

PHYSICAL PROPERTIES:

Density	8,9 kg/dm³
Electric conductivity – I.A.C.S. %	45 – 52
Thermal conductivity – W/m°k	230
Thermal expansion from 20° to 200° C x 10^-6	18

234 N - Cu Co Ni Be

ALLOY:
Cobalt-nickel copper alloy.

REFERENCE NORMS:

DIN ASTM UNI

17666 – W.nr. 2.1285	C 17500	Classe III

OTHER NORMS:
EN – 12167 – CW103C

CHEMICAL ANALYSIS:

CuCoNiBe

Resto	1,10	1,10	0,5

MATERIAL DESCRIPTION:
Cobalt-nickel alloy with high mechanical properties and good electric and thermal conductivity.

MECHANICAL PROPERTIES:

Tensile strength – Rm – N/mm²	700 – 850
Yield strength – Rp 0,2 – N/mm²	500 – 650
Elongation – A5 %	10 – 16
Hardness Brinell – HB 30	200 – 250

PHYSICAL PROPERTIES:

Density	8,9 kg/dm³
Electric conductivity – I.A.C.S. %	45 – 52
Thermal conductivity – W/m°k	230
Thermal expansion from 20° to 200° C x 10^-6	18

350 B - Cu Be Co Ni.txt

ALLOY:
High-beryllium-content copper alloy.

REFERENCE NORM:

ASTM EN RWMA

C 17200	CW101C	Classe IV

OTHER NORMS:
DIN – 2.1247

CHEMICAL ANALYSIS:

CuBeCo/Ni

Resto	1,5 ÷ 3,0	0,2 ÷ 0,6

MATERIAL DESCRIPTION:
Copper beryllium with high mechanical properties and acceptable electric and thermal conductivity.

MECHANICAL PROPERTIES:

Tensile strength – Rm – N/mm²	965 – 1280
Yield strength – Rp 0,2 – N/mm²	750 – 950
Elongation – A5 %	2 – 7
Hardness Brinell – HB 30	300 – 390

PHYSICAL PROPERTIES:

Density	8,9 kg/dm³
Electric conductivity – I.A.C.S. %	32 – 38
Thermal conductivity – W/m°k	120
Thermal expansion from 20° to 200° C x 10^-6	17,5

CU ETP

ALLOY:
Pure Of copper (99,9%) with high electric conductivity, suitable for hot and cold working.

REFERENCE NORMS:

DIN ASTM UNI

1708 – 2.0065	C 11000	5649 – 1/88

OTHER NORM:
ASTM/B124 – B283, EN 13601-CW004A

CHEMICAL ANALYSIS:

Cu (+Ag)

99,85 – 99,95 %

MATERIAL DESCRIPTION:
Pure copper melted from cathodes with very high electric conductivity.

MECHANICAL PROPERTIES:

Tensile strength – Rm – N/mm²	200 – 240
Yield strength – Rp 0,2 – N/mm²	70 – 90
Elongation – A5 %	45 – 50
Hardness Brinell – HB 10	45 – 80

PHYSICAL PROPERTIES:

Density	8,9 kg/dm³
Electric conductivity – I.A.C.S. %	100 – ( 57,5 – 58 MS/m)
Thermal conductivity – W/m°k	390
Thermal expansion from 20° to 200° C x 10^-6	15

CU OF - CU OFHC

ALLOY:
Pure Of copper (99,9%) with high electric conductivity suitable for hot and cold working.

REFERENCE NORMS:

DIN ASTM UNI

1708 – 2.0040	C 10200	5649 – 1/88

OTHER NORMS:
ASTM/B124 – B170, EN 13601 – CW008A

CHEMICAL ANALYSIS:

CuO₂

99,95 ÷ 99,99	0₂ max 10 ppm

MATERIAL DESCRIPTION:
Copper obtained from cathodes melting. Oxygen content: max 10 ppm.

MECHANICAL PROPERTIES:

Tensile strength – Rm – N/mm²	200 – 240
Yield strength – Rp 0,2 – N/mm²	70 – 90
Elongation – A5 %	45 – 50
Hardness Brinell – HB 10	45 – 80

PHYSICAL PROPERTIES:

Density	8,9 kg/dm³
Electric conductivity – I.A.C.S. %	100 – 101 (58 – 59 MS/m)
Thermal conductivity – W/m°k	390
Thermal expansion from 20° to 200° C x 10^-6	16

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