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范围:这些说明,是把司太立合金对一改进型12％Cr钢制末级叶片进行钨极氩弧焊的工序要点。在没有接收工程专项批准的情况下,不允许变动这施工说明。操作人员的条件:每个操作人员应受到制造工程的专门培训。批准焊工操作应根据这说明文件规定的工艺程序用相同材料作模拟焊接试样而定。由工程技术人员作出焊接试样的评
Scope: These instructions are the main points of the TIG welding process of Stellite to an improved 12% Cr steel last stage blade. In the absence of special approval to receive the project case, does not allow changes to the construction instructions. Operator Conditions: Each operator should be specially trained in manufacturing engineering. The approval of welder operation shall be based on the procedure described in this document using the same material as the simulated welding specimen. By the engineering and technical personnel to make the assessment of welding samples