Specifications listed are for reference only.

Cobalt Alloys

Insight Metals

Real Business Solutions



Alloy
SpecificationCarbon
Manganese
Silicon
Chromium
NickelMolybdenum
Tungsten
Cobalt
Phosphorus
Sulfur
Copper
Iron 
 Other 
Co 6
AMS 5387 and  5373
0.90 to 1.40
1.00
1.50
27.0 to 31.0
3.00
1.50
3.5 to 5.50
Balance
0.04
0.03

3.00

Co 12

1.10 to 1.70
1.00
1.00
28.0 to 32.0
3.00

7.0 to 9.50
Balance
0.04
0.03

3.00

Co 21
AMS 5385
0.20 to 0.30
1.00
1.00
25.00 to 29.00
1.75 to 3.75
5.00 to 6.00

Balance
0.04
0.04

3.00

Co 25
H.S. 25 (L605)
0.05 to 0.15
1.0 to 2.0
1.0
19.0 to 21.0
9.0 to 11.0

14.00 to 16.00
Balance
0.04
0.04

3.00

Co 31
AMS 5382
0.45 to 0.55
1.00
1.00
24.5 to 26.50
9.5 to 11.50
0.5
7.00 to 8.00
Balance
0.04
0.04

2.00
Zr 0.25
N155
AMS5376
0.20
1.00 to 2.00
1.00
20.00 to 22.50
19.00 to 21.00
2.50 to 3.50
2.00 to 3.000
18.5 to 21.00
0.04
0.03



Balance

Cb/Ta 0.75 to 1.25

Ta 0.05 Max

N2 0.10 to 0.20