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    12Cr1MoV鋼大直徑厚壁鍋爐鋼管的熱處理工藝優(yōu)化

    Optimization of Heat Treatment Process for Large-sized Heavy-walled Boiler Tube in 12Cr1MoV Steel

    • 摘要: 探討了12Cr1MoV鋼大直徑厚壁鍋爐鋼管的熱處理工藝。試驗表明,對大直徑厚壁鍋爐鋼管的熱處理需采取適當?shù)睦鋮s措施,才能保證其組織和性能,即鋼管熱處理后應(yīng)獲得含30%~40%的回火貝氏體及60%~70%的鐵素體或珠光體的組織,方能保證其具有良好的綜合性能。

       

      Abstract: The discussion involves the heat treatment process for the large-sized heavy-walled boiler tube in 12Cr1MoV. Relevant experiment result shows that the structure and properties of the said boiler tube can not be ensured unless proper cooling step is added to the heat treatment process, which ensures the steel structure with 30%~40% tempering bainite and 60%~70% ferrite or pearlite, thus good overall performance of the tube.

       

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