AISI Type A4 Tool Steel
Subcategory: Tool Steel; Air-Hardening Steel; Cold Work Steel; Metal
Key Words: AISI Medium-Alloy, Air-Hardening Tool Steels A4, UNS T30104, ASTM A681, FED QQ-T-570
Material Notes: High hardenability, high degree of dimensional stability in heat treatment, good wear resistance, fatigue life, toughness, and deep hardening qualities. Applications include cold forming, blanking and bending dies, forming rolls, drill bushings, knurling tools, master dies and gages.
Available Properties |
- Density
- Hardness, Rockwell C
- Bulk Modulus
- Machinability
- Shear Modulus
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Property Data |
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