6. Specificity of high-alloy cast irons
European standard NF EN 12513 (White irons resistant to abrasive wear) contains an informative annex on the heat treatment of nickel-chromium cast irons on the one hand, and high-chromium cast irons on the other.
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6.1.1 Nickel-chromium cast irons
These grades can benefit from a stress-relieving heat treatment at 275°C for 8 to 16 hours, followed by either air or furnace cooling.
To increase resistance to repeated impacts, castings with 4%...
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Specificity of high-alloy cast irons