焊接工艺规程和焊接工艺评定是现代焊接生产中两项最重要的技术工作。本文全面系统地论述了现行焊接工艺规程的定义、形式、格式、内容、编制程序和编写方法,指出焊接工艺规程的适用性和局限性;详细地阐明了焊接工艺评定的定义、依据、工作程序和规则以及焊接工艺评定报告填报原则;说明了焊接工艺评定报告与焊接工艺规程之间的关系,焊接工艺评定的管理及其合法性和有效性;完整地介绍了国际标准规定的焊接工艺评定试验方法、试验项目和合格指标。 Welding procedure and welding procedure qualification are two of the most important technical tasks in modern welding production. This paper comprehensively and systematically expounds the definition, form, format, content, compiling procedure and compiling method of current welding procedure specification, points out the applicability and limitation of welding procedure procedure, and elaborates the definition, basis and work procedure of welding procedure qualification in detail And rules and welding process qualification report reporting principles; describes the welding process assessment report and the relationship between the welding process rules, welding process assessment of the management and its validity and effectiveness; a complete introduction to the international standards of welding process qualification test Methods, test items and qualified indicators.