New Southern Resistance Welding,
Inc.
RWMA APPROVED MATERIALS |
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Group A Copper Base Alloys |
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| Class 1 | Cadmium copper Zirconium copper |
1.16200 1.15000 |
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| Class 2 | Chromium copper Chromium zirconium copper |
2.18200 2.18150 |
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| Class 3 | Beryllium copper (CO) Beryllium copper (Ni) Beryllium free |
3.17500 3.17510 3.18000 |
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| Class 4 | Beryllium copper | 4.17200 | ||
| Class 5 | Aluminum bronze | 5.95300 | ||
Group B Refractory Metal or Refractory Metal composites |
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| Class 10 | Copper tungsten (45% Cu/55% w) |
10.74450 | ||
| Class 11 | Copper tungsten (25% Cu/75% W) |
11.74450 | ||
| Class 12 | Copper tungsten (20% Cu/80% W) |
12.74350 | ||
| Class 13 | Tungsten | 13.74300 | ||
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