几种常用仪表耐蚀材料在常见介质中的腐蚀数据

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1、几种常用仪表耐蚀材料在常见介质中的腐蚀数据介质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽硫酸H2SO4（不充气）0.052025.50.80.1001025102501001603060.7595252060252060259810025.50.80.10010025.50.80.1007080250.050.5525201501050.801050.80.100809025306050.80.100.120809025.50.80206050.80.10010025.50.809810025.50.80.100100150708050硫酸H2SO4（充气）可能晶蚀

2、0.056025.50.80010026080100250.050.5525.506010040.5060251030.90100258010050.80.100708025发烟硫酸0.05500.050.525.50.80.100硝酸NHO30.053025.50.80.100402560.7010025.50.80.1003060255070256026070.80.90.10025蒸汽.发烟25.50.80.100红烟25.500.050.5306050.80.1004050.807050.80507050.80805010025蒸汽50.100白烟25盐酸HCl（充气）0.052030

3、2530.4025.50.80.1004025.50302000.050.51025.5020252030504080盐酸HCl（不充气）0.05可能晶蚀10.4025.50402506025.50.80.10020.30250.050.51080.100.1502025102520.3050.80.1004080介质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽磷酸H3PO4（充气）0.052525.50.80.100.沸1050.6025.50.80.100.1501050.6025.50.80.100.150255025.50.80.10010025.501002

4、5.505085250.050.5508550.80.10050.7025.50.80.10050.7025.50.80.10010025.50.80.10010025.50.808025.50.808025.50.809025.50.80.100.2009025.50.80.100.200磷酸H3PO4（不充气）0.05可能晶蚀10025.5010025.508025.50.80.100.15010025.50.80.100.3160.050.5608025.50.80.100608025.50.80.1002025.50.80.1009025.50.809025.50.80308025.5

5、0.80.100磷酸（不含氧）0.05气25.50.80.100.1500.050.5所有浓度25.50.80.10025.50.80.100磷酸蒸汽0.0525.50.80.100.1800.050.525.50.80.100氢氟酸HF（不充气）可能应力开裂0.051025.50.80.1002050 25.50.800.050.51002530.4025.50.80.1003025.50.80.1005050.80.10080504025.50.804025.50.802550100氢氟酸HF（充气）0.054025.504025.501025.50.800.050.5102560.100

6、2560.1002510100100259025.509025.5020.30.4025.505025氢氟酸蒸汽可能应力开裂0.05250.050.525.50氢氰酸可能应裂0.0510025所有浓度25.50.80.1000.050.51025.50.80.100所有浓度25.50.80.100所有浓度25.50.80.1009020.50.80.10010050.80.100亚硫酸可能晶蚀0.05100251025.50.80.1000.050.5102025所有浓度25.50.80.100所有浓度25.50.80.1009010025.50.80.100.20010050.80.100介

7、质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽亚硝酸0.05所有浓度25.50.80.1000.050.51025. 8010025碳酸0.05301001025102510025.50.80.100所有浓度25.50.80.10010025.50.80.100.816100251002510050.80.100.3500.050.59025.50.80.100.2009025.50.80.100.20010025氯酸0.05可能孔蚀040.9025.50.80.1000.050.51025次氯酸0.05所有浓度25所有浓度25.50.80.100高氯酸0.05所有浓

8、度25.50.80.100.1500.050.5100(干)25王水0.05所有浓度25.50.80硫酸+硝酸0.05所有浓度25.50.80.100甲酸可能孔蚀0.05010025.50.80.100010025.50.80.100所有浓度25.50.80.10050.9025.50.80.10050.9025.50.80.1000.050.5525.50.80.1009015090150醋酸HAC（不充气）可能晶蚀0.054025.50.80.10010025.50.80.10010025.50.80.10010025.50.80.100所有浓度25.50.80.100.3900.050.

9、56090.10025.50.80.100醋酸HAC（充气）0.054025.50.80.10010025.50.80.10010025.50.80.10050.6090.100250.050.5401501090255050.80.10010025.50.80.1006090.10050.8025.50醋酸蒸汽可能晶蚀0.0525.50.80.100.15025.50.80.1000.050.550. 10050.80.100草酸（乙二酸）H2SiF6可能晶蚀0.05所有浓度25.50.80.1000.050.51025.50所有浓度20.50.80.100所有浓度20.50.80.1003

10、025.50.80.100209025405025.5010050.80.1005025介质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽酒石酸0.0550.10025.50.80.100.沸所有浓度不充气25.50.80.10050.10025.50.80.10010025.50.80.100.2000.050.540.10025.50.80.10040.10025.50.80.100苯甲酸酐氨基水杨酸氨基苯甲酸苯酰苯甲酸甲苯基酸苯二酸苄磺酸苯醛二磺酸樟脑磺酸喹那酸尿酸等有机酸0.05所有浓度25.50.80.1000.050.5所有浓度25.50.80.100所有浓

11、度25.50.80.100所有浓度25.50.80.100所有浓度25.50.80.100氢氧化钠NaOH（苛性钠）0.0520.10025.50.80.10010025.50.80.100.15010025.50.80.100.1506025.50.80.1003050.70.8025.50207025.50.80.100207025.50.80.100701001002510025100250.050.57080.100 固体熔点 固体熔点60.7015020沸点753003050.8080氢氧化钾KOH（苛性钾）可能应裂可能应裂0.056025.50.80.1009025.50.80.1

12、5090真空4000.050.550.607025.50.806025.50.80.100.1506025.50.80.100.15080259025.509025.5010025.50.37010025.50.370氢氧化铁0.05所有浓度250.050.510251025硝酸铵可能应裂0.05所有浓度25.50.80.100所有浓度25.50.80.100.1500.050.5所有浓度1204025.50.80.1004025.50.80.100碳酸铵0.05所有浓度25.50.80.100.沸0.050.5所有浓度25.50.80.10050.10025.50.80.10050.1002

13、5.50.80.1001025.50.80.1006070100607010010025氟化铵0.054025.50.80.1004025.50.80.1001025.50.80.1000.050.520252025.50.802025.50.802025.50.80介质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽氯化铵可能孔蚀0.051025.50.80.1004025.50.80.1004025.50.80.10010.20.10025.50.80.1005025502530401000.050.510沸点10025.50.80.100.37010025.50.8

14、0.100.37010.20.10025.50.80.10020150305025.50.80.100.沸点3040100硫化铵0.05102510.10025.50.800.050.5所有浓度25.50.80.1001025.50.80.100硫酸铵0.0580100所有浓度25.50.80.100.1500.050.55025.50.80.1004025.50.80.1004025.50.80.1005025.50.80.10050沸点501005010010025硫酸钠0.05所有浓度25.50.80.100.2004025.50.80.1004025.50.80.1001025.50.

15、80.10030.10025.50.80.10010025.50.8010025.50.800.050.5所有浓度840203025.50.80.10010025硝酸钠0.057025.50.80.100.沸点9025.50.80.1001025.50.80.100.1501005102060.10025.50.80.1000.050.5100254025402510025碳酸钠（纯碱）0.051025.50.80.100.沸点1025.50.80.1001025.50.80.1001025.50.80.10010.203025.50.80.100.沸204080.100.沸点20301002

16、030100203010010025.50.80.100.8600.050.5204025.50203050.80203050.80203050.8010025.50.80.26010025.50.80.100.81610025.50.80.100.81610025氯酸钠0.0570无游离氧25.50.80.100所有浓度25.50.80.10010025.50.80.100所有浓度25.50.80.100氯化钠NaCl可能孔蚀,应裂0.05100253025.503025.50.80.100.沸1002510025.50.80.1000.050.510253025.50.80.1003025

17、.50.80.1003080.100203025.50.80.100.沸点40100硫化钠晶间腐蚀0.051025.50.805025.50.80.100.沸10025.50.80.100.9000.050.5101001025.50.80.1001025.50.80.1001025.50.80.100.150204025.50.80.沸点20501002050100205025.50.80.100介质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽硫酸氢钠可能孔蚀0.051025.50.803025.50.80.100.沸305025.5010025.50.80.100

18、.3700.050.53025.50.80.1003025.50.80.10010.205025.50.80.10025.50.80.10010025.50.80.100.22010025.50.80.100.22010025碳酸氢钠0.05所有浓度25.50.80.1002025.50.80.1002025.50.80.1002025.50.80.1002025.50.80.100硫酸钾0.0510025.50.80.100.沸2025.50.80.1002025.50.80.100201025.50.80.1001002510025100252010010025硝酸钾0.051005501

19、0055010025.50.80.100100250.050.58025.50.80.100.沸10025.50.80.10010025.50.80.100100不充气25.50.80.10010025.550100不充气25氯酸钾0.056025.50.80.1007025.50.80.10010051010025.500.050.5701001025.50.80.10010025203050.80.100硫化钾0.051025.50.801025.50100250.050.510025100251025氰化钾0.059025.50.80.100100250.050.59025.50.80.

20、1003025.50.80.1003025.50.80.10010.1002510025硫酸铝可能孔蚀0.055025.50.80.1005025.50.80.1005025.50.80.10030.10025.50.80.100406050.80.1000.050.550沸点609080.100609080.10010.406025.5010025.50.80.10010025.50.80.10010025.50.80.10030.10025硝酸铝0.05所有浓度25.50.80.1000.050.51025.50.80.100102501025102510025介质名称腐蚀速度(mm/y)

21、SUS316L哈氏B-2哈氏C-276蒙乃尔钽氯化铝可能孔蚀可能应裂10025.50.80.10050不充气25所有浓度25.50.80.1000.050.5100150硫酸镁可能应裂可能应裂10025.50.80.100.3700.054025.50.80.1005025.50.80.1005025.50.80.1006025.50.80.100.200所有浓度25.50.80.10010025.5010025.5090100250.050.55060.10025.50.80.1001008161008169010025氯化镁0.05可能应裂 40.10025.50.80.10040.100

22、25.50.80.100可能应裂(不充气)30.40.5025.50.80.1003025.50.80.100.1503025.50.80.100.150400150100250.050.54025.50.80.10030(不充气)25.50.80.10010050.80.10050(不充气)50100(不充气)25氯化钙孔蚀应裂0.0510025.50.80.10080.10025.50.80.10080.10025.50.80.1004025.50.80.100010025.50.80.10060150硫化钙0.05所有浓度25所有浓度25硝酸锂0.05所有浓度25.50.80.100硫酸

23、铁0.0510025.50.80.1003025.503025.5010.10025.50.80.1002030250.050.5100253080308010025氯化铁0.05可能晶蚀4025所有浓度25.50.80.100.沸0.050.54050.8010025硫酸亚铁0.053025.50.80.100.1503025.50.80.100.150所有浓度25.50.80.1000.050.52025.50.80.沸点所有浓度25.50.80.100所有浓度25.50.80.1001050.80.1003010025硫酸锌可能孔蚀0.05103025.50.80.100.沸所有浓度25

24、.50.80.1000.050.54025.50.80.100所有浓度25.50.80.100所有浓度25.50.80.10090(不充气）25.50.80.100碳酸锌0.05所有浓度250.050.5所有浓度25所有浓度25所有浓度25.50.80.100介质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽氯化锌0.05可能孔蚀（不充气）10025.50.80.100.沸0.050.510255025.50.80.1005025.50.80.10050(不充气)25.50.80.100609010060901006070(不充气)25.50.8010025.50.80

25、.100.37010025.50.80.100.370干(不充气)25.50.80.100.370硫酸铜0.0530.10025.50.80.10030.10025.50.80.100所有浓度25.50.80.10040701004070100所有浓度沸点0.050.51080.10025.50.80.1001050(不充气)25氯化铜0.05可能孔蚀50.10025.50.80.10050沸点0.050.54025干25.50.80.100.150干25.50.80.100.150氯化亚铜0.050.54025.504025.50.80.100氯化汞孔蚀、应裂可能应裂0.05所有浓度25.5

26、0.80.1000.050.5103025.50.80硫酸银0.05所有浓度25.50.80.100硝酸银0.051070256025602510025.50.80.10010025.500.050.5107050.80.100.沸10025.50.80.100.260氯化银0.0520.10025.50.80.1000.050.51025四氯化钛0.05所有浓度25.50.80.1000.050.5所有浓度25所有浓度25所有浓度25氯气0.05干气25.50干气25.50干气25.50.80.100.150湿气25.50.80.1000.050.5干气25.50.80.100干气80.10

27、0干气80.100干气25.50.80.100.300湿气25.50.80液氯0.050.525.50.80氯水0.05所有浓度25所有浓度250.050.5所有浓度80介质名称腐蚀速度(mm/y)SUS316L哈氏B-2哈氏C-276蒙乃尔钽碘可能孔蚀可能孔蚀可能孔蚀0.05100(干)25100(干)25.50.80.100100(干、湿)25.50.80.100所有浓度25.50.80.100.2500.050.5100(干)50.8080.9025.50.80.100氟0.05干气25.50.80.100液体25.-200干气500干气25.50.80.100.650液体25.-200

28、液体25.-200液体25.-200液体25.-2006090100湿气4500.050.5干气25干气25氢0.05所有浓度25.50.80.100所有浓度25.50.80.100所有浓度25.50.80.100所有浓度25.50.80.100所有浓度1000所有浓度1100所有浓度1100所有浓度260.-150氨0.05无水25.50.80.100.316100无水25.50.80.100.316100无水25.50.80.100.316无水25.50.80.100.260氨水0.05所有浓度2510025100250.050.5所有浓度50.80.10010050.80.1001005

29、0.80.100氯化氢(干)可能孔蚀50.10025.50.80.1000.05干25.50.80.100.480902510025.50.80干25.50.80.230902510025.50.80.10010025.50.300硫化氢(湿)可能应裂0.0510025.50.80湿25.50干、湿25.50.80.1000.050.5干25.50.80.100.540干25.50.80.100.150干25.50.80.100.150干25.50.80.260含水25含水25氟化氢0.05所有浓度25.500.050.510025.50.80.100.370所有浓度25.50.80.100.

30、260氧化镁0.05所有浓度25.50.80.100.1800氧化铝0.050.5所有浓度25.50.80.100过氧化钠0.051025.50.80.1000.050.51025.50.80.1001025.50.80.1001025.50.80.100三氧化铬(铬酸酐)0.0510.4025.5010025.50.80.100原油(含硫1.5%)0.05所有浓度350所有浓度25.50.80.1000.050.5所有浓度25.50.80.100.430所有浓度25.50.80.260原油(精)0.05所有浓度25.50.80.100所有浓度25.50.80.1000.050.5所有浓度25所有浓度259