超高强度船体结构钢焊接性的研究现状和趋势
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雷玄威,周栓宝,黄继华
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Current Status and Development Trend on Weldability of Ultra-high Strength Hull Structure Steel
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Xuanwei LEI,Shuanbao ZHOU,Jihua HUANG
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| 表10 常规热输入条件下超高船体结构钢热影响区粗晶区的的夏比冲击功 |
| Table 10 CVN impact value in CGHAZs of UHSHS steels under conventional heat input |
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| Steels | Heat input /kJ·cm-1 | Method | AGS of CGHAZ/μm | fGB in CGHAZ | fM-A in CGHAZ | CVN/J |
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| F460[35] | 30 | Thermal simulation | ~35 | ~0.10–0.20 | | AKV–60℃ 321 | | E550[46] | ~20 | Thermal simulation | ~35 | ~0.30–0.40 | | AKV–40℃ 128 | | F550[43] | 15 | Submerged arc welding | | | | 107≤AKV–50℃ ≤252 | | E/F690[51] | 21.4 | Submerged arc welding | ~60–70 | ~0.05–0.15 | ~0.05 | 85≤AKV–50℃ ≤115 | | HY85[41] | 15 | Thermal simulation | ~70 | ~0.10–0.20 | ~0.05–0.10 | AKV–50℃ 81 | | HSLA80[49] | 20 | Submerged arc welding | | | | AKV–50℃ 107 AKV–50℃ 198 | | HSLA100[42] | 20 | Shield metal arc welding | ~75 | | | AKV–50℃ ~130 |
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