原油性质对16Mn钢腐蚀行为影响灰关联分析

张艳飞, 陈旭, 何川, 陈宇, 王冠夫, 张玉刚

Gray Relationship Analysis Methods for Effect of Crude Oil Properties on Corrosion Behavior of 16Mn Steel

ZHANG Yanfei, CHEN Xu, HE Chuan, CHEN Yu, WANG Guangfu, ZHANG Yugang

表 1 各地原油性质以及对16Mn的平均腐蚀速率

Table 1 Properties of crude oils produced at various areas and the corresponding corrosion rate of 16Mn steel

Area Saltcontent mg/L Sulfur content % (m/m) Water content % (m/m) Nitrogen content mg/kg Acid value mg KOH/g Corrosion rate mm/a Shenbei 3.10 0.158 0.001 0.001 0.26 3.32×10-2 Daqing 5.00 1.200 0.300 1.950 0.09 2.49×10-2 Liao River 16.60 3.200 1.300 6.487 2.78 3.30×10-2 Huizhou 46.38 0.600 0.001 0.120 0.11 4.64×10-2 Palanca 67.90 3.200 0.001 0.120 0.07 4.20×10-2 Jinzhou 12.60 1.800 0.001 2.140 0.60 2.22×10-2