1.1本规范涵盖低熔点金属合金和焊料，包括铋 – 锡、铋 – 铅、铋 – 锡 – 铅、铋 – 锡 – 领导 – 镉、铋 – 锡 – 领导 – 铟 – 镉、铋 – 锡 – 领导 – 铟，铟 – 铅和铟 – 领导 – 银和铟 – 在低于熔点的温度下将两种或两种以上金属连接在一起的锡；支撑和可移动边框的封堵；辐射屏蔽；易熔塞；保险丝；管子弯曲；和冲孔设置。 1.1.1本规范应包括液相线温度不超过361的合金 ° F（183 ° C） ，锡铅共晶的熔点。 1.1.2本规范包括实心棒、锭、粉末和特殊形式的低熔点合金，以及实心带状和金属丝形式的低熔点合金。 1.2以英寸-磅为单位的数值应视为标准值。括号中给出的值仅供参考。 1.3 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任熟悉所有危险，包括制造商提供的本产品/材料的适当材料安全数据表（MSDS）中确定的危险，建立适当的安全和健康实践，并在使用前确定监管限制的适用性。

1.1 This specification covers low-melting point metal alloys and solders, including bismuth – tin, bismuth – lead, bismuth – tin – lead, bismuth – tin – lead – cadmium, bismuth – tin – lead – indium – cadmium, bismuth – tin – lead – indium, indium – lead, and indium – lead – silver, and indium – tin joining together two or more metals at temperatures below their melting points; blocking for support and removable borders; radiation shielding; fusible plugs; fuses; tube bending; and punch setting. 1.1.1 This specification shall include those alloys having a liquidus temperature not exceeding 361 ° F (183 ° C), the melting point of the tin lead eutectic. 1.1.2 This specification includes low-melting point alloys in the form of solid bars, ingots, powder and special forms, and in the form of solid ribbon and wire. 1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.