Alloy

Colmonoy 69

Alloy Type

Nickel with Chromium Carbide

Nominal Composition (%)

C 0.55
Si 4.80

Mo 3.50
Cr 16.50

Fe 3.00
B 3.60
Cu 2.10
Ni Balance

Rockwell Hardness
(C-scale)

58-63

Density (gm/cc)

8.06

Fusing Temperature (approx.)

1890°F
1030°C

Resistance:

to
Abrasion

to

Corrosion

to
Impact

to
Galling

 

1

1

4

1

Supplied Forms

Atomized powder

Method of application

Spraywelder (69 SC),

HVOF,

5P (69SM)

Description and General Uses

 

Additions of chromium and molybdenum for better corrosion resistance. Wide plastic range makes overlays easier to fuse without sagging. For marine and petro-chemical applications. Finished by grinding.