Abstract : An anodic dissolution at potential of -550mV(vs.SCE) is applied to investigate the grooving corrosion sensitivity of J55 steel oil well casing in electric resistance welding (ERW) zone.

• 摘要 ： 应用控电位的电化学极化试验，测定了J55钢高频直缝电阻焊（ERW）油井套管焊接区的沟槽腐蚀敏感性。