Alloy

Colmonoy 4PTA

Alloy Type

Nickel with Chromium Boride

Nominal Composition (%)

C 0.55
Si 3.9
Cr 13.0

 Fe 4.0
B 1.3
Ni Balance

Rockwell Hardness
(C-scale)

Double pass: 37-42
Single pass: 30-35

Density (gm/cc)

8.28

Fusing Temperature (approx.)

2050°F
1120°C

Resistance:

to
Abrasion

to

Corrosion

to
Impact

to
Galling

 

4

2

2

3

Supplied Forms

Atomized powder

Method of application

PTA

Description and General Uses

 

Optimized Colmonoy 4 formulation for plasma transferred arc (PTA) application.