不锈钢复合板需要增加焊接工艺评定项目(如化学成分测定或晶间腐蚀敏感性检验),现行的焊接工艺评定标准就不适用,为此,本文沿用NB/T 47014-2011《承压设备焊接工艺评定》中“焊接工艺附加评定”这一概念,根据不锈钢复合板的特性与焊接工艺特点,针对化学成分和晶间腐蚀敏感性两方面,围绕评定范围、评定条件、评定因素、评定规则、评定方法、试件型式与尺寸、检验要求与结果评定,提出了相应的焊接工艺附加评定方法。 Stainless steel clad plate need to increase the welding process assessment items (such as chemical composition or intergranular corrosion sensitivity test), the current welding process evaluation standards do not apply, for this reason, this article follows NB / T 47014-2011 "pressure equipment welding process According to the characteristics of the stainless steel clad plate and the characteristics of the welding process, in view of the chemical composition and sensitivity to intergranular corrosion, the assessment scope, assessment conditions, assessment factors, assessment rules , Assessment methods, specimen type and size, inspection requirements and results assessment, the corresponding welding process additional assessment method.