锉刀和锯条无毒淬火加热用盐

Non-Toxic Salt Bath for Heat Treatment of File and Saw Blade

本文对锉刀和锯条用的无毒淬火加热用盐，进行了防氧化脱碳、增碳、增氮的试验。结果表明，盐浴具有足够的防氧化脱碳能力，可保证锯条的淬火硬度要求，对钢锉则具有一定的增碳和增氮能力。

A non-toxie salt bath,which can be used to replace cyanide hardening have heen investigated. Theanti-oxidizing and anti-decarburizing salt bath and carburizing salt bath and carbonitriding salt hath have beentested respectively. The results show that the quality of saw blade can be assured when the antioxidizing andantidecarburizing power of the salt bath was well maintained,but for the file heat treatment,the salt bath should beof both the carburizing and nitriding ability.