Alloy

Colmonoy 23A/24

Alloy Type

Fuseweld Alloy

Nominal Composition (%)

C 0.02
Si 2.50
Cr 0.08

 Fe 0.12
B 1.50
Ni Balance

 

Rockwell Hardness
(C-scale)

16-23

Density (gm/cc)

8.64

Fusing Temperature (approx.)

1950°F
1065°C

Resistance:

to
Abrasion

to

Corrosion

to
Impact

to
Galling

 

6

2

1

5

Supplied Forms

Atomized Powder, Bare Rods, Ingot

Method of application

Fusewelder, Oxyacetylene

Description and General Uses

 

Used to repair blow holes, flaws, chips, and cracks in cast iron parts. No. 23A works best in repairing surface flaws. No. 24 is recommended for working on edges or corners. Finished by grinding or filing.