Tool Steel A2
Tool Steel A2 is an air-hardening cold-work tool steel that provides a good balance of toughness and wear resistance. Its air-hardening characteristic means minimal distortion during heat treatment, making it popular for precision tooling.
Machinability
40/100
Tolerance
±0.02 mm
Category
Tool Steel
Material Properties
| Property | Value |
|---|---|
| Tensile Strength | 896 MPa (130 ksi) |
| Yield Strength | 724 MPa (105 ksi) |
| Hardness | 57-62 HRC |
| Density | 7.86 g/cm³ |
| Machinability Rating | 40/100 |
| Thermal Conductivity | 24.0 W/m·K |
| Melting Point | 1,420 °C |
| Tolerance | ±0.02 mm |
Common Grades
A2AISI A2SKD121.2363
Advantages
- Air-hardening (minimal distortion)
- Good toughness
- Good wear resistance
- Excellent dimensional stability
Limitations
- Lower wear resistance than D2
- Not stainless
- Requires heat treatment
Common Applications
Blanking dies
Punches
Trimming dies
Gauges
Mandrels
Plastic mold components
Industries Served
Tooling & Die MakingIndustrial MachineryPlastics Molding
Available Surface Finishes
Black OxideNitridePVD CoatingPolished