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Tool and Die Steel Includes Cold Work Steel, Hot Work Steel, Plastic Mould Steel, High Speed Steel. These tool materials adhere to great quality demands of steel like temper, strength, toughness, resistance to tempering, hardening capacity, dimensional stability etc. The range of Tool Steel in our store includes products from renowned manufacturers.
Main characteristics and applications
Press and piercing mandrels, die inserts, heavy metal die casting tools. For your most challenging requirements, we recommend Thermodur 2365 EFS Superclean (ESR).
Comparable standards
| DIN | W.Nr | AFNOR | AISI/ASIM | JIS |
|---|---|---|---|---|
| X32CrMov33 | 1.2365 | 32CDV12-28 | H-10 | SKD7 |
Chemical composition (typical; in weight %)
| C | Si | Mn | P (max) | S (max) | Cr | Mo | V |
|---|---|---|---|---|---|---|---|
| 028-0.35 | 0.10-0.40 | 0.15-0.45 | 0.03 | 0.03 | 2.70-3.20 | 2.50-3.00 | 0.40-0.70 |
Physical properties (reference values)
| 20°C | 100°C | 200°C | 300°C | 350°C | 400°C | 500°C | 600°C | |
|---|---|---|---|---|---|---|---|---|
| Coefficient of thermal expansion at °C 10-6 m/(W/mk) | 11.8 | 12.5 | 12.7 | 13.1 | - | 13.5 | 13.6 | 13.8 |
| Thermal conductivity at °C (W/mk) | 32.8 | - | - | - | 34.5 | - | - | 24.2 |
Steel properties
12 % ledeburitic chromium tool steel with extreme wear resistance.
Heat treatment
| TREATMENT | TEMPERATURE | HOLDING TIME (HT) | COOLING | HARDNESS | |
|---|---|---|---|---|---|
| Annealing | Heat to 750 – 800 °C | Min. H.T. for 2 minute /mm | Furnace | max. 185 | |
| Hardening | Heat to 1030 – 1050 °C | Min. H.T. for 1 minute /mm | oil or hot bath, 500 – 550 °C | 52 | |
Note
Hardening temperature HRC
| °C | 100 | 200 | 300 | 400 | 500 | 550 | 600 | 650 | 700 |
|---|---|---|---|---|---|---|---|---|---|
| HRC | 51 | 50 | 50 | 50 | 52 | 50 | 47 | 40 | 34 |
Time-temperature transformation diagram
Tempering diagram
