本文件规定了用于钎焊金属的助焊剂的分类，并根据其性能和用途对这些助焊剂进行了描述，并给出了技术交付条件以及健康和安全预防措施。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies the classification of fluxes used for brazing metals and characterizes these fluxes on the basis of their properties and use, and gives technical delivery conditions and health and safety precautions.All current amendments available at time of purchase are included with the purchase of this document.