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分析了ZG4 5Ⅱ的焊接性 ,并对焊接工艺参数进行了选择 ,阐述了ZG4 5Ⅱ特大厚壁件的焊接工艺。检验结果及使用情况表明 ,采用的焊接工艺可行 ,焊接质量理想。
The weldability of ZG4 5 Ⅱ was analyzed and the welding process parameters were selected. The welding process of ZG4 5 Ⅱ extra large thick-walled parts was elaborated. Test results and the use of conditions show that the welding process is feasible, the welding quality is ideal.