Alloy

Colmonoy 6

Alloy Type

Nickel with Chromium Boride

Nominal Composition (%)

C 0.70
Si 4.20
Cr 14.30

 Fe 4.00
B 3.00
Ni Balance

Rockwell Hardness
(C-scale)

56-61

Density (gm/cc)

8.10

Fusing Temperature (approx.)

1890°F
1030°C

Resistance:

to
Abrasion

to

Corrosion

to
Impact

to
Galling

 

1

1

4

1

Supplied Forms

Crushed Powder, Bare Rods, Ingots

Method of application

Spraywelder, Oxyacetylene, GTAW,  PTA,

Description and General Uses

 

The original, nickel-base hard-surfacing alloy, containing diamond-like chromium borides (and carbides). Extremely resistant to wear, especially under corrosive conditions.  Low coefficient-of-friction. Can be hot-formed. Finished by grinding.  See spec 1.