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9 常规热输入条件下超高船体结构钢焊接接头的强度
Table 9 Strengths of weld joints of UHSHS steels under conventional heat input
Steels

Heat input

/kJ·cm-1

Welding methodTensile strength/MPaFault location

CCS standard

/MPa

E690[11]15Submerged arc welding808,818Base metal≥770
E/F690[51]21.4Submerged arc welding825Base metal≥770
921A[52]20Arc welding702Base metal≥685
980[19]11Metal active gas welding930Base metal
HY80[53]21.7Submerged arc weldingYield strength 658Base metal≥550
HSLA100[54]25.6Gas metal arc welding869Base metal≥770