Abstract
Abstract Carbon steel welding is a major manufacturing method for nuclear power construction. For the moment, there are two sets of standards of welding material for carbon steel which used in pressurized water reactor nuclear power plants of China. The coexistence of standards of two different technical routes brings unnecessary cost and waste to pressurized water reactor nuclear power plant manufacturing. With the rapid development of pressurized water reactor nuclear power plants in China, the research of developing a set of unified standards for carbon steel electrodes and rods for gas shielded arc welding and carbon steel covered electrodes is necessary. At present, two main standards will be revised and published. Through the interpretation of “Welding material for pressurized water reactor nuclear power plants — Part 1 Carbon steel covered electrodes” and “Welding material for pressurized water reactor nuclear power plants — Part 6 Carbon steel electrodes and rods for gas shielded arc welding” and the introduction to their compilation thoughts and technical points, the article guides engineers to understand the compilation thoughts of these two standards quickly. The standards specify classification, technical requirements, test methods and testing of carbon steel electrodes and rods for carbon steel in pressurized water reactor nuclear power plants.
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