Alloy

Wallex 55

Alloy Type

Cobalt Alloys

Nominal Composition (%)

C 2.30
Si 1.70
Cr 12.00

 Fe 1.20
B 2.00
W 34.80		 Ni 12.60
Co Balance

 

Rockwell Hardness
(C-scale)

58 min.

Density (gm/cc)

11.90

Fusing Temperature (approx.)

2030°F
1110°C

Resistance:

to
Abrasion

to

Corrosion

to
Impact

to
Galling

 

1

2

4

1

Supplied Forms

Composite Powder

Method of application

Spraywelder

Description and General Uses

 

Uses a cobalt-nickel matrix alloy to hold extremely hard tungsten-carbide particles. Primarily to protect surfaces against severe sliding abrasion. Finished by grinding.