焊接质量对产品质量、效率、成本和安全可靠性有直接影响。焊接工艺评定是控制焊接质量不可缺少的主要环节之一,焊接工艺评定的正确性和合法性是考核企业焊接质量控制和保证有效性的主要依据。焊接工艺评定必须按一定的规范标准实施。焊接工艺评定执行过程中要认真做好事前控制,焊接过程中控制和事后控制。 Welding quality has a direct impact on product quality, efficiency, cost and safety and reliability. Welding process qualification is an indispensable control of welding quality is one of the main aspects of the correctness and legitimacy of welding process assessment is to assess the quality of welding control and assurance of the main basis for the validity. Welding process assessment must be carried out according to certain standards. Welding process assessment process should be carefully implemented in advance control, welding process control and post-control.