这是其他规范章节的服务手册，提供了焊条、焊条和填充金属的制造、可接受性、化学成分、机械可用性、堆焊、测试要求和程序、操作特性和预期用途的材料规范。这些规范由SFA编号指定，并源自AWS规范。包括2010年之前的所有附录、解释和更新。

This is a service book to the other Code Sections providing material specifications for the manufacture, acceptability, chemical composition, mechanical usability, surfacing, testing requirements and procedures, operating characteristics, and intended uses for welding rods, electrodes and filler metals. These specifications are designated by SFA numbers and are derived from AWS specifications.Includes all addenda, interpretations, and updates until 2010.