为了探讨酸性油气田腐蚀环境中油气管材料的腐蚀性能，自制了3YC51镍基耐蚀合金，分别采用高温高压釜和同步热分析仪对其在高温高压湿H：S环境下的耐蚀性能和1300℃恒温空气中的高温氧化行为进行了研究。结果表明：3YC51合金在试验条件下具有优良的耐均匀腐蚀和应力腐蚀性能；3YC51能满足酸性油气环境对金属材料的使用要求。合金氧化分2个阶段，初始氧化温度为1047℃，在1153℃和1287℃分别出现氧化极值点，氧化增重呈抛物线形状，具有较高的初始氧化温度和较好的抗高温氧化性能。
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