模拟长庆苏里格油田的液体环境,并通入CO2,采用腐蚀失重法,对比研究了普通3Cr钢和碳钢在高温高压和常温常压两种条件下的腐蚀行为.结果表明:该模拟腐蚀环境中,3Cr钢和碳钢在常温常压条件下的腐蚀速率分别为0.118 mm/a及0.408 mm/a,碳钢的腐蚀速率是3Cr钢的3倍多；当温度和压力提高后,3Cr钢的腐蚀速率为1.59 mm/a,与碳钢的1.54 mm/a相当.
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