34CrNi1Mo/Q355B异种钢对接接头残余应力及焊后热处理对残余应力的影响

瞿铁, 谢杨, 王重阳, 李利霞, 徐侠剑, 毛峙溆, 骆文泽, 黄智泉, 邓德安

Residual Stress in a 34CrNi1Mo/Q355B Dissimilar Steel Butt Joint and the Effects of Post-Weld Heat Treatment on Residual Stress

QU Tie, XIE Yang, WANG Chongyang, LI Lixia, XU Xiajian, MAO Zhixu, LUO Wenze, HUANG Zhiquan, DENG Dean

表1 34CrNi1Mo钢和Q355B钢母材及ER50-6和H10Mn2焊丝的化学成分

Table 1 Chemical compositions of 34CrNi1Mo and Q355B steel base materials and ER50-6 and H10Mn2 welding wires (mass fraction / %)

Material C Si Mn Cr Ni Mo S P Fe 34CrNi1Mo 0.30 0.20 0.50 1.30 1.30 0.15 ≤ 0.035 ≤ 0.035 Bal. Q355B 0.20 0.50 0.90 0.30 0.30 - ≤ 0.035 ≤ 0.035 Bal. ER50-6 0.15 1.15 1.85 0.15 0.15 0.15 ≤ 0.025 ≤ 0.025 Bal. H10Mn2 0.12 0.07 1.90 0.20 0.30 - ≤ 0.035 ≤ 0.035 Bal.