French Version
German Version
French Version |
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German Version |
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Material: |
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Mallory
73 |
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Type: |
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Beryllium,
Iron, Cobalt/Nickel, Copper |
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Description: |
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Age
hardenable copper alloy with high electrical and thermal conductivity. |
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Nominal
Composition: |
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Beryllium
1.9% Iron
0.3% Cobalt/Nickel
0.3% Copper
balance |
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Mechanical
Properties: |
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Hardness |
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Rockwell
B |
Vickers |
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Typical
(Note 1) |
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68
- 90 |
121 - 185 |
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(Note
2) |
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88
- 96 |
176 - 216 |
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(Note
3) |
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96
-102 |
216 -287 |
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(Note
4) |
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92
- 103 |
190 - 261 |
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(Note
5) |
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91
- 102 |
186 - 258 |
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(Note
6) |
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88
- 101 |
174 - 250 |
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Tensile Strength |
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Ton/in2 |
MPa |
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Typical
(Note 1) |
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33.5
- 39.5 |
520 - 620 |
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(Note
2) |
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38.0
- 45.0 |
590 - 690 |
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(Note
3) |
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45.0
- 54.0 |
690 - 830 |
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(Note
4) |
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43.0
- 58.0 |
660 - 900 |
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(Note
5) |
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40.0
- 56.0 |
620 - 860 |
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(Note
6) |
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38.0
- 54.0 |
590 - 830 |
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Yield Strength |
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Ton/in2 |
MPa |
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Typical
(Note 1) |
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26.5
- 35.5 |
410 - 550 |
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(Note
2) |
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33.5
- 43.0 |
520 - 660 |
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(Note
3) |
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40.0
- 50.0 |
620 - 770 |
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(Note
4) |
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33.5
- 46.5 |
520 - 720 |
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(Note
5) |
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33.5
- 46.5 |
520 - 720 |
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(Note
6) |
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33.5
- 46.5 |
520 - 720 |
Elongation |
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%
(in 50mm) |
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Typical
(Note 1) |
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10-36 |
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(Note
2) |
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5-25 |
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(Note
3) |
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2-8 |
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(Note
4) |
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10-20 |
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(Note
5) |
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10-20 |
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(Note
6) |
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10-20 |
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Electrical
Properties
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Electrical Conductivity |
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%IACS* |
m/ohm.mm2 |
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Typical |
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15-18 |
8.7-10.44 |
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Electrical Resistance |
Microhm.cm |
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Typical |
11.494
- 9.578 |
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Thermal
Conductivity |
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w/mK |
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Typical |
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105 |
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Mean
Coefficient of Thermal Expansion: |
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20
- 200oC 17.4
x 10-6 |
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Density: |
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8.35g This
material is produced to meet the following standards Strip BS
2870:CCB101 DIN
17666 (composition) DIN
1780 (properties) DIN
17670 (properties) Wire BS
2873 DIN
17666 (composition) DIN
17682 (properties) Rod BS
2870 (composition) DIN
17666 (composition) DIN
17672 (properties) |
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Forms
of Supply |
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Wire,
rod and strip |
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*IACS
International Anneal Copper Standard.
On this scale annealed copper has a value of 100%,
*other
materials being quoted as
a % of this.
Notes
1.
Strip ¼ hard
2.
Strip ½ hard
3.
Strip Hard
4.
Wire up to 9.5mm dia. Hard
5.
Wire/rod 9.5 to 25.4mm dia. Hard
| All Mallory Alloys Group products conform to, if not exceed, the relevant standards as assured by the Quality Management System |  |
© Copyright 2004 Mallory Group Limited, all rights reserved.