1.2343 | H11 | SKD6
1.2343 mold steel is an electroslag-remelted (ESR) hot-work tool steel. It features a uniform material structure, excellent machinability and polishability, as well as high toughness, high plasticity, high wear resistance, and good hardenability.
Available Form
Round Bar
Custom Diameter & Length
Flat Bar
Custom Thickness, Width & Length
Square Bar
Custom Width & Length
Steel Plate
Custom Thickness, Width & Length
Steel Grade Comparison(wt%)
| W-Nr | EN | AISI | JIS |
| 1.2343 | X37CrMoV5-1 | H11 | SKD6 |
Chemical Composition
| C | Si | Mn | P | S | Cr | Mo | Ni |
| 0.36-0.42 | 0.8-1.2 | 0.30-0.50 | ≤0.015 | ≤0.002 | 4.80-5.20 | 1.1-1.4 | 0.30-0.50 |
Physical Properties
Heat Treatment Process
Hardening: Heat the steel evenly to 1000-1030°C until the whole section reaches temperature. Then quench in oil to cool.
Annealing: Heat the steel to 820-840°C, hold it well at temperature, and then let it cool slowly inside the furnace.
Tempering: Heat the steel uniformly, hold it at the selected tempering temperature, and then allow it to cool in still air.
| Tempering Temperature (℃) | 400 | 500 | 600 | 650 |
| Hardness (HRC) | 48 | 56 | 46 | 39.0 |
Application Fields
Die-casting molds and extrusion dies; hot-forming molds for aluminum, copper, and magnesium; cold-blanking tools, hot-shearing tools, shrink rings, and wear-resistant components.
Disclaimer: the information and data presented herein are typical values for reference and are not intended as warranties to readers.
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