What is #83 Colmonoy?

Alloy	Colmonoy 83
Alloy Type	Nickel with Tungsten Carbide
Nominal Composition (%)	C 2.00 Si 1.40 Cr 20.30	Fe 1.40 B 0.90 Ni Balance
Rockwell Hardness (C-scale)	Double Pass 50-55 / Single Pass 43-48
Density (gm/cc)	11.78
Fusing Temperature (approx.)	2040°F 1115°C
Resistance:	to Abrasion	to Corrosion	to Impact	to Galling
	1	1	3	1
Supplied Forms	Crushed and Atomized Powder
Method of application	PTA
Description and General Uses	A tough nickel-chromium-tungsten- boron matrix alloy containing chromium carbides with the addition of extremely hard tungsten-carbide particles for excellent abrasion wear protection.  Excellent edge retention.  Specifically for plasma transferred arc (PTA) application.