对在某油田使用的三种材料Ｊ５５、Ｎ８０、Ｐ１１０进行评价和筛选，三种材料平均腐蚀速率为Ｐ１１０〉Ｎ８０〉１５５，其中，Ｎ８０和Ｐ１１０试样表面出现了严重的局部腐蚀。
J55,N80 and PllO was evaluated in the same CQmion amdition. It was found that the corrosion rates of the three kinds of materials follmied the order: PllO >N80 >J55. Serious local cornion appeared on the sample surfaces of N80 and PllO at 70C. 90°C and 110°C .When CQpartial pressure was 25.3 x 10' Pa at 90°C , cornion rates reached the maximum. CQcmion, evaluation, materials screening
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