The carburizing damage of HP type ethane cracking tubes after 40000hours of service is analysed using metallographic methods, and the tensile and creep rupture tests are conducted.
对运行了4万h的HP型乙烷裂解炉管的渗碳损伤进行了金相分析，并测定了炉管的力学性能。
The carburizing damage of HP type ethane cracking tubes after 40000hours of service is analysed using metallographic methods, and the tensile and creep rupture tests are conducted.
对运行了4万h的HP型乙烷裂解炉管的渗碳损伤进行了金相分析，并测定了炉管的力学性能。
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