BÖHLER K110 is a 12% ledeburitic chromium steel and corresponds to material number 1.2379 (X153CrMoV12, D2). This tool steel combines the advantages of conventional 12% ledeburitic chromium steels with those of advanced tool steels. In the group of 12% ledeburitic chromium steels, BÖHLER K110 offers the best combination of wear resistance, compressive strength and toughness, for which reason it is used in virtually all cold work applications. Its advantageous tempering behavior with a pronounced secondary hardness maximum also enables the use of advanced coatings. This also makes BÖHLER K110 suitable for complex tools requiring a high degree of dimensional stability and shape stability.
| Compressive strength | Stability heat | Toughness | Wear resistance abrasive | Wear resistance adhesive |
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| SEL | UNS | EN | AISI |
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| 1.2379 | ~T30402 | X153CrMoV12 | D2 |
| EN ISO |
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| 4957 |
| C | Si | Mn | Cr | Mo | V | |
|---|---|---|---|---|---|---|
| 1.55 | 0.30 | 0.30 | 11.30 | 0.75 | 0.75 |
