| C 0.37 | Si 1.00 | Cr 5.4 | Mo 1.28 | V 0.40 |
Virat Special Steels is the biggest & leading Supplier & Stockiest of Din 1.2343 Hot Work Steel.
Din 2343 is an all inclusive hot work tool steel with hot rigidity and durability. Good thermal conductivity and invulnerability to hot cracking can be water-cooled to a constrained degree.
Utilized for ejector pins, apparatus holders and shrink fit chucks.
Hot work tool steel with Chromium 5% has high strength and toughness, best thermal physical phenomenon and in susceptibility to hot cracking. This provides the essential necessities for long tool life in die-casting , Press Forging , extrusion processes etc.
| Coefficient of thermal expansionat °C | 20-100 | 20-200 | 20-300 | 20-400 | 20-500 | 20-600 | 20-700 |
| 10-6 m/(m*K) | 11.7 | 12.3 | 12.5 | 12.7 | 12.75 | 12.9 | 12.9 |
| Thermal Conductivity °C | 20 | 350 | 700 |
| W/(m*K) Annealed | 29.8 | 30.0 | 33.5 |
| W/(m*K)Quenched & Tempered | 26.7 | 27.4 | 30.4 |
Besides applications typical for the area of hot-work steels, this grade is especially used for ejector pins, tool holders, bridge kind tools, liner holders, Forging Dies, Hot work punches, and shrink work chucks.
| Soft annealing °C | Cooling | Hardness HB |
|---|---|---|
| 750 - 800 | Furnace | max. 230 |
| Stress-relief annealing °C | Cooling |
|---|---|
| Approx. 600 - 650 | Furnace |
| Hardening °C | Quenching | Hardness after quenching HRC |
|---|---|---|
| 1000 - 1030 | Air ,oil or saltbath, 500 - 550 °C | 54 |
| Tempering °C | 100 | 200 | 300 | 400 | 500 | 550 | 600 | 650 | 700 |
| HRC | 52 | 52 | 52 | 52 | 54 | 53 | 48 | 37 | 31 |