极地低温下高强钢对接焊缝连接力学性能

曹换, 蔡骜, 谌扬宇, 左文康, 陈满泰

Behavior of High Strength Steel Butt Joints at Arctic Low Temperatures

CAO Huan, CAI Ao, CHEN Yangyu, ZUO Wenkang, CHEN Mantai

表2 ER100S-G与ER120S-G两种焊丝化学成分

Tab.2 Chemical composition of ER100S-G and ER120S-G feedstock wires

化学成分 质量分数/% ER100S-G ER120S-G C 0.070 0.079 S 0.007 0.004 Mn 1.54 1.74 Si 0.59 0.70 P 0.011 0.011 Cr 0.66 0.40 Ni 0.27 2.24 Mo 0.13 0.57 Cu 0.10 0.09 Ti 0.200 0.085