The Deloro™ alloys are nickel based with additions of typically Cr, C, B, Fe, and Si. They cover a very wide range of hardness from soft, tough, build-up alloys that are easily machined or hand finished to exceptionally hard, wear-resistant alloys. They maintain their properties up to temperatures of about 315° C (600° F) and also offer good oxidation resistance.
Deloro alloys be selected for hardnesses of between 20 and 62 HRC depending on the application. The lower hardness Deloro™ alloys are typically used for glass forming molds. The higher hardness Deloro™ alloys are used in severe wear applications, such as rebuilding the flights of feeder screws, and they can be blended with carbides for an even harder deposit.
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