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
),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
),YAN Zesheng ,LIU Yongchang
图15. 不同退火温度下冲击试样断口的SEM像
Fig.15. SEM images of impact fracture surfaces of welded joint after annealing at different temperatures for 3 min(a) 650 ℃ (b) 750 ℃ (c) 850 ℃ (d) 950 ℃
