抗大变形管线钢焊接粗晶区的组织和韧性*

贾书君, 王远方, 谭峰亮, 刘清友

Microstructure and Toughness of Heat-affected Zone of Weld Joint for Pipeline Steels with High Deformability

JIA Shujun, WANG Yuanfang, TAN Fengliang, LIU Qingyou

表3 t8/3时间对应的不同热输入量

Table 3 Relationship between T8/3 and heat inputs

t8/3(s) 15 25 30 45 60 100 150 Heat inputs (kJ/cm) 16.15 20.85 22.84 27.97 32.3 41.7 51.07