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对SA-266M Gr.4材料的化学成分进行优化控制,针对性地制定了热处理工艺参数,并应用于实际生产。检验结果表明,该种材料各项性能指标均一次性合格。
SA-266M Gr.4 material chemical composition of the optimal control, targeted to develop a heat treatment process parameters, and applied to the actual production. The test results show that all kinds of performance indicators of the material are qualified once.