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Tool Steels
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Available Tool Steel Grades: A2, D2, H13, O1, P20, W1

General Tool Steel Characteristics: Smooth, gray finish

General Tool Steel Workability: Good candidate for some processing techniques


A2 Specs D2 Specs H13 Specs O1 Specs P20 Specs W1 Specs Processing
A2 Specs

Other Designations: T30102 (UNS), Air-Hardening

Characteristics: Smooth, gray finish.

Workability: Good candidate for some processing techniques.

Please Note:

Every effort has been made to ensure the reliability of the reported information, and is the result of a number of sources, including vendors and reference materials. Any use of the presented information is the user’s responsibility and is intended for educational purposes only.

Chemistry Data For A2 Tool Steel a

Carbon (C)

Manganese (Mn)

Silicon(Si)

Chromium (Cr)
Nickel(Ni)
Molybdenum(Mo)
Tungsten
(W)
Vanadium (V)

0.95-1.05

1.00

0.50

4.75-5.50

0.30

0.90-1.40

-

0.15-0.50 

(a) Iron constitutes the remainder. Amounts indicated are maximums or ranges, unless indicated.

Mechanical Data for A2 Tool Steel

Stainless Steel Type Machinabilityb Hardnessc

A2 Tool Steel

 45-60

C57-C62 

(b) Refers to 100% machinability of W1, W2, W5 tool steels.
(c) Typical Rockwell Hardness.