Sandstorm Steel
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1.2344 H13 Hot work steel SKD61 8407 ESR Tool and Die Flat Alloy steel Round Bar
1.2344 is a die steel for pressure and heat. The steel is remelted by electroslag, the material is uniform, the hardenability is good, it has excellent machinability and polishing performance, high toughness and plasticity, good high and low temperature wear resistance and high temperature fatigue and heat resistance.
| DIN | JIS | GB | ASIA |
|---|---|---|---|
| 1.2344 | SKD61 | H13 | 8707 |
| C | Si | Mn | Cr | Mo | S | P | V |
|---|---|---|---|---|---|---|---|
| 0.35-0.40 | 1.00-1.20 | 0.40-0.60 | 4.80-5.20 | 1.20-1.40 | ≤0.003 | ≤0.003 | 0.80-1.00 |
| Flat Bar Size | Round Bar Size | |||
|---|---|---|---|---|
| Thickness | Width | Length | Diameter | Length |
| 6-400 | 205-610 | 2500-5800 | 10-400 | 2500-5800 |
Electric-Furnace Smelting(EF) → Ladle Furnace(LF) → Vacuum Degassing(VD) → Argon protected ingot → Multidirectional Forging → Normalizing+Hydrogen Diffusion Annealing → Ultrasonic Flaw Detection → Queching+Tempering Prehardened
| Quenching | Tempering | Annealing | ||||
|---|---|---|---|---|---|---|
| Heating Temp | Cooling | Hardness | Temp ºC | Times | HRC | HB |
| 1020-1050ºC | Oil/Air | 56-58 | 560-580 | 3 | 40-45 | 205-235 |
Highly stressed hot work tools and dies, pressure casting dies for light metals, mandrels, dies, liners, dieholders, bolsters, stems, punches, dummy blocks and containers for metal tube and rod extrusion tools, hot shear blades, hot forming and forging dies for steels, brass and aluminum.
