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Alloy |
Coltung 1 |
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Alloy Type |
Nickel with Chromium Boride |
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Nominal Composition (%) |
C
1.80 |
B 1.90 Co 0.12 W.38.50 Ni Balance
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Rockwell Hardness |
59-64 |
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Density (gm/cc) |
12.33 |
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Fusing Temperature (approx.) |
1900°F |
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Resistance: |
to |
to Corrosion |
to |
to |
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|
1 |
1 |
4 |
1 |
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Supplied Forms |
Bare Rods |
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Method of application |
Oxyacetylene, GTAW |
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Description and General Uses
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A nickel-chromium-boron matrix alloy rich in chromium boride is used to hold extremely hard tungsten-carbide particles. Produces rod-welded deposits with same chemistry as spray-applied Colmonoy Nos. 75 or 705. Finished by grinding. |
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