火力发电厂高温高压管道上管座焊接-加工工艺-机电之家网加工工艺栏目 关键词：火力发电厂；异种钢焊接；焊后热处理 [gap=429]KEY WORDS： thermal power station;dissimilar steel welding;post weld heat treatment
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dissimilar steel welding joints 异种钢焊接接头
dissimilar steel welding joint 异种钢接头
welding of dissimilar steel 异种钢焊接
Dissimilar steel welding is inevitable with more and more types of steel being used for metallic parts in power station equipments.
随着电站设备中金属部件使用钢材种类的逐渐增多，不可避免地会遇到异种钢焊接的问题。
As a main part of workpiece, the performance and technics of dissimilar steel welding joints have a key impact on the life-span of workpiece.
异种钢焊接接头作为工件的主要部位，其性能和工艺的好坏直接影响着工件的使用寿命。
With the detailed repairing scheme, a dissimilar steel welding technique about 45 steel and 20 steel under the condition of temperature and sharp cooling is brought forward and gets success.
提出了在室温急冷的条件下，45钢与20钢异种钢焊接的工艺措施，并取得成功。
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