.金属材料耐腐蚀的选材顺序(由低到高)一、 不锈钢材料耐点腐蚀、晶间腐蚀和应力腐蚀能力的顺序1、奥氏体不锈钢:1Cr18Ni9Ti0Cr18Ni9(304)0Cr18Ni11Ti(321)00Cr19Ni10(304L)0Cr17Ni12Mo2Ti(316)00Cr17Ni14Mo2(316L)00Cr19Ni13Mo3(317L)00Cr20Ni25Mo4.5Cu(904L)00Cr27Ni31Mo4Cu2、铁素体不锈钢:0Cr13(410S)0Cr13Al(405)00Cr12Ti(409L)00Cr17(430LX)00Cr18Mo200Cr26Mo100Cr30Mo23、双相不锈钢:00Cr18Ni5Mo3Si2(3RE60)00Cr22Ni5Mo3N(SAF2205)00Cr25Ni7Mo4N(SAF2507)二、耐高温腐蚀用材的顺序2012Cr1MoV12Cr2Mo1(2Cr-1Mo)1Cr5Mo1Cr9MoP91(10Cr9Mo1VNb)0Cr25Ni20(310S)