According to the essentiality of the weld,the characteristics of two parent metals and the biggish wall thickness,a novel weld procedure was proposed in th...

• 考虑焊缝的重要性和两种母材的材质特性以及较大的壁厚,制定了一套两次焊接、两次探伤的施工方案,保证了焊接质量,提高了机组运行的可靠性。