超高强度船体结构钢焊接性的研究现状和趋势
雷玄威1,2,周栓宝2,黄继华2()
Current Status and Development Trend on Weldability of Ultra-high Strength Hull Structure Steel
LEI Xuanwei1,2,ZHOU Shuanbao2,HUANG Jihua2()

图9. 不同级别超高强度船体结构钢Ni和Cu的含量

Fig.9. Ni and Cu contents in various grades of ultra-high strength hull structural steels (a) domestic civil steels, (b) 9 series war ship steels, (c) HY series steels, (d) HSLA series steels