压力容器用复合钢板的使用及技术分析

Performance of clad steel plates used in pressure vessels

复合钢板的各种制造方法各有优缺点,其中爆炸焊接法具有成本低,工艺简单,结合率及结合强度高等其它方法无法比拟的优点;压力容器复合钢板在使用中要特别注意焊接及焊后热处理等问题:焊接时采用基层、覆层分开进行焊接,基层与覆层之间采用过渡焊来保证焊接质量;焊后热处理必须同时考虑基层的热处理要求和热处理对覆层材料的影响,通过不断调整热处理温度和保温时间,进行力学试验及耐腐蚀试验来保证容器满足要求。

Explosive welding method cost less and can get stronger strength compared with other methods in making clad steel plates. Welding and heat treatment process need to be noticed in manufacturing pressure vessels with in clad steel plates: base layer and cladding layer should be welded separately and transitionally. Temperature of heat treatment and insulation need to be adjusted to meet the requirements of heat treatment to the base and cladding material.