A-8 is an air-hardening tool and die steel. It exhibits good wearing qualities with excellent toughness characteristics. It is well suited for many metals working dies and punches, which operate in the hardness of Rockwell C 55-60.
A-8 is an air-hardening tool and die steel. It exhibits good wearing qualities with excellent toughness characteristics. It is well suited for many metals working dies and punches, which operate in the hardness of Rockwell C 55-60.
| C | CO | CR | MN | MO | NI | P | S | SI | V | W |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 – 0.60 | 4.75 – 5.50 | 0.20 – 0.50 | 1.15 – 1.65 | 0.03 Max. | 0.03 Max. | 0.75 – 1.10 | 1.00 – 1.50 |
ASTM A681-US
FED QQ-T-570-US
UNS T30108-US
UNI KU-Italy
AISI A8 Air Hardening Tool Steel-US