ISO 9950:1995

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Industrial quenching oils — Determination of cooling characteristics — Nickel-alloy probe test method

ISO 9950:1995 refers to an International Organization for Standardization (ISO) standard that specifies a laboratory test method to determine the cooling characteristics of industrial quenching oils using a nickel-alloy probe, essentially measuring how quickly an oil can cool a heated metal piece during a quenching process; it is primarily used to compare the cooling capabilities of different quenching oils under standardized conditions.