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7 大热量输入条件下超高船体结构钢焊接接头的强度 |
| Table 7 Strengths of weld joints of UHSHS steels under large heat input |
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| Steels | Heat input /kJ·cm–1 | Welding method | Tensile strength /MPa | Fault location | CCS standard /MPa |
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| F460[45] | 364 | Electrogas arc welding | 584, 586 | Base metal | ≥570 | | F500[36] | 53 | Submerged arc welding | 580 | Base metal | ≥610 | | F550[11] | 50 | Submerged arc welding | 620~664 | Base metal | ≥670 | | E690[11] | 50 | Submerged arc welding | 796~822 | Base metal | ≥770 | | F690[38] | 35 | Submerged arc welding | 798, 809 | Base metal | ≥770 |
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