Alloy

Colmonoy 84

Alloy Type

Nickel with Chromium Carbide

Nominal Composition (%)

C 1.10
Si 2.40
Cr 29.00
Fe 2.00

Rockwell Hardness
(C-scale)

40-45

Density (gm/cc)

8.84

Fusing Temperature (approx.)

2000°F
1095°C

Resistance:

to
Abrasion

to

Corrosion

to
Impact

to
Galling

2

1

2

1

Supplied Forms

Atomoized Powder, Ingot

Method of application

Spraywelder, PTA

Description and General Uses

A nickel-based alternative to cobalt surfacing alloys, for service temperatures up to 1500°F.  Boron and silicon content provide better weldability at lower application temperatures.