某油田地面集输管道用材腐蚀行为研究

赵国仙,黄静,薛艳

Corrosion Behavior of Materials Used for Surface Gathering and Transportation Pipeline in an Oilfield

Guoxian ZHAO,Jing HUANG,Yan XUE

表1 5种材料化学成分 (mass fraction / %)

Table 1 Comparison of chemical constituents of five tested steels (mass fraction / %)

Steel C Si Mn S P Cr Ni Mo Cu Fe 20G 0.190 0.270 0.750 0.030 0.030 --- --- --- --- Bal. L245 0.135 0.350 1.350 0.007 0.015 --- --- --- --- Bal. 5Cr 0.032 0.250 0.432 --- --- 5.000 0.150 0.400 0.300 Bal. 16Mn 0.138 0.362 1.379 0.011 0.017 --- --- --- --- Bal. 316L 0.021 0.690 1.050 0.020 0.031 17.610 12.450 2.290 --- Bal.