本章的内容是指导工程师如何选择用于腐蚀性介质场合的材料。我们不能指望一种材料能耐现代工业中所有物料的腐蚀作用。但是通过试验研究已经发现,一种材料在一定范围内使用是能够令人满意的。 由于每种腐蚀性介质对材料的物理性能的影响各不相同,而且有时为了能最大限度地取得某种性能而不可避免地牺牲另一种性能,因而需要使用者决定哪种性能在应用时是主要的。
与物料接触的内部运动件总是选用A级材料。暴露在腐蚀性物料中的阀体有时可用B级材料,因为这种材料的腐蚀速率从安全角度考虑并不算危险。 本章引用的这些以试验作为基础的资料,迄今仍
被认为是可靠的。我们希望由技术熟练的人员使用这些资料并由他们自己作出判断。我们极力主张最好能在实际操作条件下对材料进行试验,以便了解材料在该条件下的腐蚀性介质中的工作性能。表中标记的说明:
A─优秀;B─良好;
C─中等, 多半不适用;D─ 不推荐使用;
空格─缺乏资料数据。
表中所有介质除另有注明外,都指在温室情况下
表53─1 材料耐蚀性能表 (A:优秀 B:良好 C:中等(多半不适用) D:不推荐使用)
结 构 材 料阀 座 及 密 封 材 料
介 质三氯乙烯
桐油松节油尿素漆
铸铁铝356球墨铸铁黄铜碳钢CBBCC
ABABA
CBBCC
BBBBA
BBBCC
不锈钢不锈钢
合金20蒙乃尔丁钠橡胶氯丁橡胶
303316BAABA
BAABA
BAAAA
ACBAA
DABC
DBDA
尼龙AAAAA
氟橡胶聚四氟乙烯BAA
AAAAA
植物油, 食用的植物油, 非食用
的醋蒸馏水(充气的)
淡水海水蜡乳浊液
蜡威士忌和酒二甲苯(干的)氯化锌亚硫酸氢锌硫酸锌乙醛醋酸盐溶剂醋酸(充气的)
醋酸(无空气的)
醋酸(粗制的)
醋酸(纯净的)醋酸(10%)
BABADCDACADBBAAADDAACDBDDDCBBADBDBCBCBC
B
BBBBDBDACADBBAAADAAACDBCDBCDBADDDBCCCCC
C
BABADADACADAAAAADAAADDAADBCAAADADACBCBC
B
AAAAAAAAAAAAAAAAAAAADBAABBAAAAAAAAAAAAA
A
BABAADAAAAAAAAAAAADBBBABAADADACACADADA
D
BABA
DAAAAAABABAAADAAAAAAADBDDCDCDDDDDD
D
AAAAD
AAAAAAAAAAAAABAAAAAAACADADADADADAD
A
醋酸(80%)醋酸酐丙酮乙炔(干燥的)丙烯腈空气甲醇,乙醇
戊醇丁醇氯化铝(干的)硫酸铝明矾胺
氨(无水的)氨(含水的)
氨水碳酸氢铵碳酸铵氯化铵氢氧化铵(28%)氢氧化铵(浓缩)磷酸氢二铵硝酸铵
CBDBAAAACBAABABABABBCBCBAABBABBDBBBBDCCCCCDBD
B
CCDCAAADCAAABBBBBBBBCCCCAABDADBDBBBBDDCDCDDDD
D
CBDBAAAAAAAABABABABCCBCBAAAAAABACBBBDCCBCBDBD
A
AABBAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBCCBBBBBBA
A
ADACADAAADAAAAAAAAABAAAAADBBBBBBBBBBBBDBDCCAD
A
DDCDCAAADDAAAAAAAABAAAAADABBABAAAAAA
AAAABA
A
DADADAAACAAAAAAAAAAAAAAADACAAAAAABAAAA
AAAAAA
A
磷酸铵(二价)磷酸铵(三价)硫酸铵醋酸戊酯苯胺苯胺染料三氯化锑苹果汁砷酸沥青乳浊液沥青液碳酸钡氯化钡氢氧化钡硫酸钡硫化钡啤酒啤酒甜菜糖浆
苯苯醛苯酸硼砂溶液硼酸
DBDBCBCBCCCCDDDBDDACACBBCDBBCCCCCCCCBBBBBBDDCCD
D
DCDCCBCBCCCCDDDCDDAAAABBCBBBCCCCCBCBBABBBADBCAD
B
DBDBCBCBCBCADDDBDBAAAABBCCCBCBCBCACABABAAADBCBD
B
BBBBBBBBBBAADCBABBAAAABACCBABBBBAAAAAAAAAABBBAB
A
CACACABDBDACBCAADAABACBABABAAABAAAAAAAADADBAAAA
A
AAAAAADBCABACAAAAABACAAAAAAAAAAAAA
AAADADAAAAA
AAAAAAADACABAAAAAAAAAAAAAAAAAAAAAA
AA
AABADAAAAAAA
(酒精工业)
(饮料工业)盐水溴(干)溴(湿)船用油(燃料油)丁二烯丁烷丁烯酪乳丁酸亚硫酸氢钙碳酸钙氯化钙氢氧化钙次氯酸钙硫酸钙石炭酸二硫化碳二氧化碳(干的)碳酸冲碳酸气的水蓖麻油桐油
CCDDDDBBBBBBAADDDDDDDDCCCCDDCCDDBBBBDDBBDDBBBBC
C
CBDADBBBBCBAAADDDCDBDCCBCADDCCDBBCBADDBCDDBBBAC
C
CBDDDDBABABAAADADBDCDBCCCBDCCBDBBBAADBBADBBABAC
A
BBDDDDAAAAAAAAAABABABABBBBCCBBBABAAABAAABBAAAAA
A
AAADBDAACCAAADDABBBABAAAAACBBABDADABAAADBDAAAAA
A
AA
DDBACABADAACAAAAAAAAABAAADDDA
BAADADAAABAB
A
AABABAAAAAAAAAACAAAAAAAAAAAAABAAAA
AAABABAAAAAA
A
四氯化碳(干)四氯化碳(湿)氯化了的溶剂(干)氯气(干)氯(湿)氯醋酸氯苯(干)三氯甲烷(氯仿)(干的)氯磺酸(干)氯磺酸(湿)
铬矾铬酸柠檬汁椰子油
咖啡汁 (热的)
焦炉气厨用灯油醋酸铜氯化铜硝酸铜硫酸铜玉米油棉子油杂酚油甲苯基酸原油 (无硫的)原油 (含硫的)
CCBBDDDDBBBBBBDDBCDCDCCBCABABBDCDCDCDCCBCBBADCBAC
A
CCBCDDDCBBBBBBDDBCDDDBCBCBBCBBDDDDDDDDCBCBBBDCBBC
C
CBBBDDDCBABABBDDB6ADCDBCBCABABADADCDBDBCBCBBBCBBAB
A
BBBADDCCAAAABADD6AACCBABBAAAAAAAACCBABABBBBBBBBAAA
A
BDACBDBDADADADCDBBBDAABAABBAACCACABABABAADBDAAA
A
DACA
DCDADA
DDBDDAABACBAAAAAAABABADDDD
BB
CABAACAAAB
AAAACAAAAAABAAAAAAAAAAAAAAAABAAAA
A
切削润滑油,水
乳液环已烷双丙酮醇柴油机燃料二乙胺
导热姆 (道生)
钻孔泥浆液滴阀,气体干洗液体干性油七水合硫酸镁(泻盐)乙烷醚醋酸乙酯丙烯酸乙酯氯乙烷(干)氯乙烷(湿)乙二醇环氧乙烷脂肪酸氯化铁硝酸铁硫酸铁氯化亚铁硫酸亚铁
BAAAAAAAAABABBBBBABCCAAABACACCBBDDBACADBDDDDDDDDD
D
BAAAAAAAAABABBBBBCBCCBAABBCCCBBBDCBBBDDBDDDDDDDBD
B
BAAAAAAAAABABABABACBCBAAAABBCABADBBBBBDBDDDCDBDDD
B
AAAAAAAAAAAAAAAAAABBBBAAAABAAAAABABABBAADCCCBADDB
A
AACADAAABADAAACBDBABAAABCADBBCBCBABDBBCACACACAB
A
BADACCACDAAACDABAAABACCDACACACDABAAAAAAAAAA
A
AAAAAAAAAAAAAABAAAAAACDAD
AAAAADAAAAAAAAAAAA
A
硫酸亚铁(饱和的)肥料溶液鱼油氟(干)氟硅酸食品流体和糊甲醛(冷的)甲醛(热的)甲酸(冷的)甲酸(热的)氟利昂 (干的)
水果汁燃料油糠醛鞣酸
煤气 (人造的)煤气 (天然的)气体臭味鉴定器汽油 (加铅的)
汽油(不加铅的)
汽油(航空的)
汽油(发动机的)汽油 (含硫的)明胶 (动物胶)
CCCBBBDDDDCABADBDDDDBBDBBABADBBBBBBABABABABABAD
A
CCCCBBDDDACBBADBDBDBBBDBBBBADCBBBBBABABABABABBD
A
CABBBADDDBCAAADCDCDCBADABAAADBBBBABBAAAAAAAABAD
A
AABBAADCBAAAAACCBBBBAAAAAAAABBBBAABBAAAAAAAAAAA
A
ACBBAA
BAABABBBBDBDACAAAAADBAAAAABBACACACACACA
A
CBBA
CBBABAADDCAABACAAAAAAABADADADADADAA
A
AAA
ACAAAAAACAAAAADAAAAAAAAAAAAAAAAAAA
A
葡萄糖胶水甘油乙二醇润滑酯庚烷乙烷特乙醇液压油(石油基)氢溴酸
盐酸 (无空气)
氢氰酸氢氟酸氢气(冷的)过氧化氢(稀的)过氧化氢(浓的)硫化氢 (干的)硫化氢 (湿的)
氢氟硅酸王水合硫代亚硫
酸钠次氯酸钠腐殖气墨水碘(湿)
BAAABABAAABABAAABADDDDCADDBADADABBDCDDCBDCAADBD
D
BAABBBBBABBABBAABBDDDDCDDDBBDBDDBCDDDACCDDAADCD
D
BAAABABBAABABBAAAADDDDCADDBADBDBBBCBDCDADCAADBD
D
AAAAAABAAAABBBAAAADDDDAADCAABBBBAABBCBAACCAAAAD
D
AAAABABBABABAAAACCBB
CBABABDACBCBABABCAABAD
B
AAAACACBBACABACCDBDCD
BADAAAAAAADABAAB
A
AAAAAAAAAAAAAAAA
AAAAAA
AAA
AAAAAAAAAAAAAA
A
碘仿异辛烷异丙醇异丙醚
JP─4喷气机燃料JP─5喷气机燃料JP─6喷气机燃料
煤油番茄酱酮类漆(及溶剂)
乳酸(稀、冷)
乳酸(稀、热)乳酸 (浓、冷)乳酸 (浓、热)
猪油醋酸铅亚油酸亚麻子油液化石油气润滑油硫酸氢镁氯化镁氢氧化镁氢氧化镁(热)
硫酸镁
CCBABBBAAAAAAABADDAACADADBDCDCCADDBAAABAAABBDDBDBDB
B
CCBABBBAAAAAAABADDAACADDDDDDDDCADCBBABBAABBBDBBBBDB
B
BAAABBAAAAAAAABADAAACADADBDBDBCADBBAAABBAABACBBABAB
B
AAAABBAAAAAAAAAAAAAAAAAAAAAABAAABBAAAABBAAAABBAAAAB
B
CAABCACAAAAAAAABAADADCBDCDBDCBABABABABABABBAAAABB
A
ACACACCACACACAAADADAADCDADCDBAAABABABABAAAAAAAA
A
AAAAAAAAAAAAAAAAADADAAAAAAAAAAAAAAAAAAAAAAAAA
A
马来酸苹果酸调味酱汁(以蛋黄、橄榄油、柠檬汁或醋混制而
成的)氯化汞氰化汞水银甲烷醋酸甲酯甲基丙酮甲胺甲基溶纤剂甲基氯(干的)甲基、乙基甲酮甲酸甲酯二氯甲烷(干的)牛奶乳水(酸的)矿物油矿物油精混酸
(HNO3+H2SO4
)(冷)糖蜜,食用的
DBDBDDDDDDACBABAAABABABDAACCBADADDBABACDA
A
BBDBDDDDDDADBABAAABDBABAAACABADADCBBBBCDA
A
BBDBDADDDAAABBBAAABABABBAACBBADADBBABBCBA
A
BBBAAADCAAAABBAAAAAAAAAAAABBAAAABBAABBAAA
A
AABABA
BBBABAADADCBBCADBDBDAABAAABA
BA
AAAAAAA
A
AABA
DD
CADA
BDAAAABAC
AD
AAAAAAA
AAAAAAADAD
AAAA
DAAC
AAAAAAAA
AA
AA
糖蜜、未提炼的盐酸 (无空
气)芥子气石脑油荼硫酸镍铵氯化镍硝酸镍硫酸镍菸酸硝酸(10%)硝酸(30%)硝酸(80%)硝酸(100%)硝酸(无水的)
硝基苯氮
亚硝酸(10%)
亚硝气一氧化二氮动物油类棉子油鱼油类燃料油类润滑油类无机油类精练的石油产品
AADDBBBABBDDDDDCDDBADDDDDBABABBCAADDCBCCAACBBBBAAABAB
A
AADDBABBBBDDDDDDDDBADDDDDDADADBDAADDCDCDAACBBBBBABBBB
B
AADDBABBABDADBDBDBBADADADAAAAABBAADBBABBAACBBABAAABAA
A
AADDAABBBBAABBBBBBAAAAAAAAAAAABAAABBAABBAABBAAAAAAAAA
A
AABBAABABCDABABABAADCDCDDDDDBDAADCDDBAABAAAAABAAAA
A
AABDAACADAAAAAAABDCDDDDD
DDAA
ABA
BBBBABABAB
AAAAAAAAAAAAAAAAAAAAAAABABAACAAAA
AAAAAAAAAAAAA
A
含硫石油产品油水混合物
油酸发烟硫酸橄榄油草酸氧
臭氧(湿的)臭氧(干的)油漆及容剂棕榈酸棕榈油石蜡多聚甲醛戊烷全氯乙烯(干的)凡士林(苯)酚磷酸(10%冷)磷酸(50%热)磷酸(50%冷)磷酸(50%热)磷酸(85%冷)磷酸(85%热)苯二酸(酞酸)
酞酐苦味酸
CABABADBBADCBACBAAAACBCABABBBABACBBADDDDDDDDBDCDCBCBC
B
CCBABBDDBBDBBACBAAAACBCBBABBBABCCBBBDDDDDDDDBDCDCBCBC
B
BABABABBBADBBACAAAAACBCBBABBBABACBBADBDDDBDDBACACBCBC
B
AAAAAABBAABBAAAAAAAABBBAAABBABAABBAABBDCBBDCAAAABBBBB
B
AAABADCAABCACAAADBBABAABBBABDAAADBBCBCBCBACACACACA
C
BBACACDBAAC
C
DBABABABABA
DBADDADADBDBDBDBDCACA
A
AAAAAACAAAAAB
AAAAAAAAAAAAAA
AAABAAAAAAAA
AAAAAA
AA
松油菠萝汁亚硫酸氢钾溴化钾碳酸钾氯酸钾氯化钾氰化钾重铬酸钾二磷酸钾铁氰化钾亚铁氰化钾氢氧化钾(稀的、冷的)氢氧化钾(稀的、热的)氢氧化钾(至70%,冷
的)氢氧化钾(至70%,热的)碘化钾硝酸钾高锰酸钾硫酸钾硫化钾亚硫酸钾煤气发生炉煤气
BACADCDCBCBCBBBDBAABBBBAADBDBDBDCCBABACABBBBB
B
BBCCDCDCBBBBBBBDBBABBCBAADBDBDBDCBBBBBCBBBBBB
B
BACADBDABBBBCCBBBAAABABAAABAAAAACABABABABABAB
B
AAAABBAABBBBCCBBAAAAAAAAAAAAAAAAAAAAAAAAAAAAB
B
AAAADABABABABABABABABAAAAAABABACBABABABABABA
A
CAAAAAAAAAAAAAAAAAAAAAAAABABAAAAAAA
ABAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAA
AAAA
A
丙烷丙醇丙二醇焦酸淬火油树脂和松脂筑路焦油屋面沥青RP─1燃料胶乳橡胶溶剂生菜油水杨酸食盐海水
硝酸银皂碱液(硬脂酸盐)醋酸钠铝酸钠碳酸氢钠硫酸氢钠(10%)亚硫酸氢钠(10%)硼砂
BABABABBBACAAAAAABAAACBDCCBDCBABADDACBACCCBDDDDC
B
BABABBBBBBCAAAAAAABAAACBDCCBDCBABADDAABBCBCBDBDBC
B
BBBABBBBBACAAAAAAABAAACBDACBDAAAAADAAABACBCBDADAC
B
BBAABABBAAAAAAAAAAAAAABBAABBAAAAAAAAAAAABBBAAAAAB
B
BAAABABAAACABABAAADBAAAAAAAAAAADCAACBBABABABAB
A
BACACAABACCACACAACCAAAAAAAA
AACAABAAAAAAAAAA
A
AAAAAAAAAAAAAAAAAADAAAAAAAA
AAAAAA
AAAAAAAAAAAA
A
虫胶(漂白的)虫胶(橙色的)
溴化钠(10%)
碳酸钠氯酸钠氯化钠铬酸钠氰化钠氟化钠氢氧化钠(冷)
20%
氢氧化钠(热)
20%
氢氧化钠(冷)
50%
氢氧化钠(热)
50%
氢氧化钠(冷)
70%
氢氧化钠(热)
70%次氯化钠偏磷酸钠偏硅酸钠(冷)偏硅酸钠(热)
硝酸钠高硼酸钠过氧化钠磷酸钠(二价)磷酸钠(三价)
DBADCBCBBDADDCADBDADBDADBDDDBACBDBBABBCCBDB
D
DBABCBCBBCADDCAABAAABAAABADDBCCBDBBBBBCDBBB
B
CBAACACBBAAADBAABAAABAAABADDBACADABBBBCBBAB
A
BBAAAABBAAAABBAAAAAAAAAAAADDAAAAAABBBBBBAAA
A
BAAABAAABABAAAAAABAAAB
AADAA
AABCBCBCBAB
B
AAAAAAAAAAAAAAABAB
DAAAAAAAAAAB
A
AAAAAAAAAAAAAABACACACACAC
AAAAAAAAAAAAAA
A
硅酸钠硅酸钠(热)硫酸钠硫化钠硫化钠(热)硫代硫酸钠
豆油氯化锡氯化亚锡淀粉水蒸气(212℃F)硬脂酸斯陶大溶剂苯乙烯糖浆硫酸盐黑液硫酸盐青液硫酸盐烧碱液
硫磺二氧化硫(干的)三氧化硫(干的)硫酸(0~7%)硫酸(20%)硫酸(50%)硫酸(100%)
ABBCBABCCDBBCBDDDDAAAACABABABACBCBCBCABABADBDDDDB
D
AABBBBBDCDBBCBDCDDABAACCBBBABACCCCCCCDBBBBDCDCDBB
A
AABBBABBCBBACADDDDAAAACABBAABACBCBCBCBBABADCDDDDB
A
AABBAABBBBAAAADBCBAAAAAABBAAAABBBBBBBAAAAABADCDCA
A
BABAAAABAAAACACAAAACBABAADAABCBCCCADACACABBCBCA
D
AAAAAAAABAAAAAAA
DCA
CDAA
CCCCADAACBCCDD
D
AAAAAAAAAAAAAAAAAAB
AAAAAAAAAAAAAAAA
AA
AAAAAABA
亚硫酸合成气妥尔油丹宁酸(鞣酸)
焦油酒石酸四乙铅甲苯番茄汁变压器油磷酸三丁酯DCBBBBCCAADBCBAACABAAADCBBBBCBAADACBAACCBBAADBBBBBCBAADBCBAACAAAAABBBBBABBAABBBBAAAAAAAADCAAAABAABBCAADAAAAA
C
CCBABABACAAADAAABA
C
AAAAAAAAAAAAABAAAA
AA
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