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采用订HT-103焊条,在15CrMoR材质上进行了Ni-Cr-Fe系合金的手工电弧堆焊试验,制定了适宜的堆焊工艺,并据此进行了高压换热器管板实际产品的堆焊。
The HT-103 welding rod was used to make manual arc surfacing test of Ni-Cr-Fe alloy on 15CrMoR material and a suitable surfacing process was developed. Based on the above, a stack of actual products of high pressure heat exchanger tube plate weld.