Alloy

Colmonoy 56PTA

Alloy Type

Nickel with Chromium Boride

Nominal Composition (%)

C 0.90
Si 5.3
Cr 18.0

Rockwell Hardness
(C-scale)

Double pass: 53-58
Single pass: 46-51

Density (gm/cc)

8.01

Fusing Temperature (approx.)

1940°F
1060°C

Resistance:

to
Abrasion

to

Corrosion

to
Impact

to
Galling

2

2

3

2

Supplied Forms

Atomized powder

Method of application

PTA

Description and General Uses

Specifically designed for protecting and restoring plastics extrusion screws using plasma transfer arc (PTA) application.