Wall Colmonoy COLMONOY® 705 Nickel-Chromium-Boron Matrix Alloy With Tungsten Carbide

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Wall Colmonoy COLMONOY® 705 Nickel-Chromium-Boron Matrix Alloy With Tungsten Carbide
Categories:	Metal; Metal Matrix Composite; Nonferrous Metal; Nickel Alloy; Tungsten Alloy
Material Notes:	A tough nickel-chromium-boron matrix alloy holds extremely hard tungsten-carbide particles used for protection from severe sliding abrasion. Used on screw conveyors and augers. Finished by grinding. Method of Application: Fusewelder Information provided by Wall Colmonoy Corporation.
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Physical Properties	Metric	English	Comments

Density	13.38 g/cc	0.4834 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	58 - 63	58 - 63

Thermal Properties	Metric	English	Comments
Melting Point	1024 °C	1875 °F

Component Elements Properties	Metric	English	Comments
Boron, B	1.5 %	1.5 %
Carbon, C	2.2 %	2.2 %
Chromium, Cr	7.0 %	7.0 %
Cobalt, Co	0.10 %	0.10 %
Iron, Fe	2.0 %	2.0 %
Nickel, Ni	37.1 %	37.1 %	As Balance
Silicon, Si	1.9 %	1.9 %
Tungsten, W	48.2 %	48.2 %

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NWALL24 / 19791

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