Alloy
Specification
Carbon
Manganese
Silicon
Chromium
Molybdenum
Cobalt
Phosphorus
Sulfer
Vanadium
Iron
A-2
ASTM A597 CA-2
0.95 to 1.05
0.75
1.50
0.90 to 1.40
0.90 to 1.40

0.03
0.03
0.20 to 0.50
Balance

D-2

ASTM A597 CD-2
1.40 to 1.60
1.00
1.50
11.00 to 13.00
0.70 to 1.20
0.70 to 1.00
0.03
0.03
0.40 to 1.00
Balance
H-13
ASTM A597 CH-13
0.30 to 0.42
0.75
1.50
4.75 to 5.75
1.25 to 1.75

0.03
0.03
0.75 to 1.20
Balance
O-2
IC CO-2
0.85 to 0.95
1.50 to 1.80
1.00
0.40
0.30

0.025
0.025
0.30
Balance
S-5
ASTM A597 CS-5
0.50 to 0.65
0.60 to 1.00
1.75 to 2.25
0.35
0.20 to 0.80

0.03
0.03
0.35
Balance
S-7
ASTM A597 CS-7
0.45 to 0.55
0.40 to 0.80
0.60 to 1.00
3.00 to 3.50
1.20 to 1.60

0.03
0.03

Balance

Specifications for reference only.

Tool Steel


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