超高强度船体结构钢焊接性的研究现状和趋势
雷玄威,周栓宝,黄继华

Current Status and Development Trend on Weldability of Ultra-high Strength Hull Structure Steel
Xuanwei LEI,Shuanbao ZHOU,Jihua HUANG
表12 适合超高强度船体结构钢焊接粗晶粒区的组织类型
Table 12 Desired microstructure type in CGHAZ of UHSHS steels
AGS of CGHAZ/μmMicrostructure type
≥50~60A portion of AF or main LLB
≤40~50Main LLB