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3 原油性质与腐蚀速率的关联系数

Table 3 Correlation coefficients of crude oil properties and corrosion rate

ξ Salt mg/L Sulfur content % (m/m) Water content % (m/m) Nitrogen content mg/kg Acid value mg KOH/g Shenbei (ξ1) 0.710 0.712 0.689 0.689 0.76 Daqing (ξ2) 0.801 1.000 0.871 0.907 0.79 Liao River (ξ3) 0.860 0.707 0.808 0.504 0.52 Huizhou (ξ4) 1.000 0.662 0.586 0.597 0.61 Palanca (ξ5) 0.770 0.765 0.657 0.669 0.67 Jinzhou (ξ6) 0.901 0.837 0.788 0.852 1.00