BÖHLER W350 ISOBLOC is a material produced by the electroslag remelting process (ESR) which is particularly suitable for use in large casting and forging molds. Although the steel can be classified as a 5% chromium steel, the chemical composition has been chosen to provide the best possible through-hardenability without any loss of toughness or resistance against heat-checkings. These properties make the steel the perfect choice to produce very large die casting molds, for example for mega- or giga-casting.
| High temperture strength | High temperature toughness | High temperature wear resistance | Machinability supplied |
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| Market grade | NADCA |
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| BÖHLER patent | E1850 |
| NADCA |
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| #207 |
| C | Si | Mn | Cr | Mo | V | N | |
|---|---|---|---|---|---|---|---|
| 0.38 | 0.20 | 0.55 | 5.00 | 1.80 | 0.55 | def. |
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