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通过对A —12型汽轮机缸体与抽汽短管焊接的性能分析，确定了采用镍基焊丝焊接过渡层，用A507焊条填充盖面的焊接工艺。实施后经过检验焊缝质量满足要求，为焊接相应的缸体构件提供了实践经验。
Through the analysis of the performance of A-12 steam turbine cylinder block and steam extraction short pipe, the welding process of using nickel-base welding wire to weld the transitional layer and filling the cover with A507 welding rod was determined. After the implementation of the weld quality inspection to meet the requirements for welding the corresponding cylinder block provides practical experience.