低碳铁素体不锈钢高频直缝电阻焊管退火工艺优化
邵毅,李彦默,刘晨曦(),严泽生,刘永长
Annealing Process Optimization of High Frequency Longitudinal Resistance Welded Low-CarbonFerritic Stainless Steel Pipe
SHAO Yi ,LI Yanmo ,LIU Chenxi (),YAN Zesheng ,LIU Yongchang

图14. 不同退火温度下接头的冲击值

Fig.14. Charpy impact energy of welded joint after annealing at different temperatures for 3 min