Metal gasket zvinhu
1. Carbon steel
Iyo yakanyanya tembiricha yekushanda inokurudzirwa kuti isapfuure 538 ¡æ, kunyanya kana iyo yepakati iri oxidizing. Yemhando yepamusoro yakatetepa kabhoni simbi ndiro haina kukodzera midziyo inoshandiswa kugadzira inorganic acid, neutral kana acid salt solution. Kana kabhoni simbi iri pasi pekunetseka, chiyero chetsaona yemidziyo pasi pemamiriro emvura inopisa zvakanyanya. Carbon simbi gaskets inowanzo shandiswa kune yakakwira kuwanda kweasidhi uye akawanda alkali mhinduro. Brinell kuomarara kunenge 120.
2.304 simbi isina tsvina
18-8 (chromium 18-20%, nickel 8-10%), uye tembiricha yepamusoro inokurudzirwa haifaniri kudarika 760 ¡æ. Mutembiricha ye - 196 ~ 538 ¡æ, kuonda kwekunetseka uye kukora kwemuganho wezviyo zviri nyore kuitika. Brinell kuoma 160.
3.304l simbi isina tsvina
Iyo kabhoni yemukati haifaniri kudarika 0.03%. Iyo inokurudzirwa yakanyanya tembiricha yekushandisa haifaniri kudarika 760 ¡æ. Corrosion resistance yakafanana ne304 simbi isina tsvina. Iyo yakaderera kabhoni yemukati inodzikisira kunaya kwekabhoni kubva kune lattice, uye yezviyo muganho wekuomarara kuramba wakakwira kupfuura iwo we304 simbi isina tsvina. Brinell kuomarara kunenge 140.
4.316 simbi isina tsvina
18-12 (chromium 18%, nickel 12%), wedzera nezve 2% molybdenum mu304 simbi isina tsvina. Kana tembiricha ichiwedzera, simba rayo uye corrosion resistance inovandudza. Kana tembiricha ichiwedzera, ine yakakwira creep resistance pane mamwe masimbi asina tsvina. Iyo inokurudzirwa yakanyanya tembiricha yekushandisa haifaniri kudarika 760 ¡æ. Brinell kuomarara kunenge 160.
5.316l simbi isina tsvina
Iyo yakakurudzirwa yakanyanya kuenderera tembiricha yekushanda haifaniri kudarika 760 ¡æ ~ 815 ¡æ. Kuenzaniswa ne316 simbi isina tsvina, ine zvirinani kusagadzikana kusagadzikana uye zviyo muganho wekupokana nekuora. Brinell hurema hunenge 140.
6.20 chisanganiswa
45% iron, 24% nickel, 20% chromium uye shoma molybdenum nemhangura. Iyo inokurudzirwa yakanyanya tembiricha yekushandisa haipfuure 760 ¡æ ~ 815 ¡æ. Yakanyanya kukodzera kugadzira michina inoshingirira kune sulfuric acid corrosion, nekuomarara kweBrinell kunosvika zana nemakumi matanhatu.
7. Aluminium
Aluminium (zviri mukati kwete pasi pe99%). Aluminium ine yakanakisa corrosion kuramba uye processability, iyo yakakodzera kugadzira kaviri clip gaskets. Kuomarara kweBrinell kunosvika makumi matatu neshanu. Iyo yakakurudzirwa yakanyanya kuenderera tembiricha yekushanda haifanire kudarika 426 ¡æ.
8. Mhangura tsvuku
Kuumbwa kwemhangura tsvuku iri pedyo nemhangura yakachena, iyo ine sirivha shoma kuti iwedzere kupisa kwayo kunoramba kuchishanda. Zvinokurudzirwa kuti iyo yakanyanya kuenderera tembiricha yekushanda haifanire kudarika 260 ¡æ. Brinell kuomarara kunosvika makumi masere.
9. Brass
(mhangura 66%, zingi 34%), ine yakanaka corrosion resistance pasi pemamiriro akawanda ekushanda, asi haina kukodzera acetic acid, ammonia, munyu uye acetylene. Zvinokurudzirwa kuti iyo yakanyanya kuenderera tembiricha yekushanda haifanire kudarika 260 ¡æ. Brinell hurema hunenge 58.
10. Hastelloy B-2
(26-30% molybdenum, 62% nickel uye 4-6% iron). Iyo inokurudzirwa yakanyanya tembiricha yekushandisa haifanire kudarika 1093 ¡æ. Iyo ine yakanakisa kupisa kupisa uye hydrochloric acid corrosion performance. Iyo zvakare ine yakanakisa kupikisa kune wet hydrogen chloride gasi corrosion, sulfuric acid, phosphoric acid uye kuderedza munyu mhinduro ngura. Iine simba guru pakupisa kukuru. Brinell kuomarara kunosvika 230.
11. Hastelloy C-276
16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% iron, uye mamwe nickel). Iyo inokurudzirwa yakanyanya tembiricha yekushandisa haifanire kudarika 1093 ¡æ. Iyo ine yakanakisa corrosion resistance. Iyo ine yakanakisa kuonda kuramba kutonhora nitric asidhi kana kufashaidza nitric asidhi ine muunganidzwa we70%, yakanaka corrosion resistance kune hydrochloric acid uye sulfuric acid uye yakanakisa kushushikana kuomarara kuramba. Brinell hurema hunenge 210.
12. Inconel 600
Nickel base alloys (77% nickel, 15% chromium uye 7% iron). Iyo inokurudzirwa yakanyanya tembiricha yekushandisa haifanire kudarika 1093 ¡æ. Iine simba rakakwirira pasi pemamiriro ekushisa kwepamusoro uye inowanzoshandiswa kumidziyo yekugadzirisa zvinetso zvekuora mwoyo. Pakudziya kwakadzika, ine yakanakisa yakafanana yekugadzirisa zvivakwa. Brinell kuomarara kunenge 150.
13. Monel 400
(inokurudzirwa yakanyanya kuenderera tembiricha yemhangura 30% uye nickel haifanire kudarika 815 ¡æ. Kunze kweakasimba oxidizing acids, ine yakanakisa corrosion resistance kune akawanda acids uye mabhesi. Zviri nyore kuburitsa stress corrosion cracks mufluoric acid, mercuric chloride uye mercury media, saka haina kukodzera kune iri pamusoro midhiya Inoshandiswa zvakanyanya mumidziyo yekugadzira hydrofluoric acid kuomarara kweBrinell.
14. Titanium
Iyo yakanyanya kukurudzirwa tembiricha yekushandisa haipfuure 1093 ¡æ. Iyo ine yakanakisa corrosion resistance pasi pemamiriro ekushisa. Zvinonyatso zivikanwa kuti inoshingirira kune chloride ion corrosion uye ine yakanakisa nitric acid corrosion resistance muhupamhi tembiricha uye mazinga. Titanium haiwanzo shandiswa mune yakawanda alkali mhinduro uye inokodzera oxidation mamiriro. Brinell kuoma kunosvika 216.
Non metallic gasket zvinhu
1. Natural Rubber NR
Iyo ine yakanaka corrosion resistance kune isina kusimba acid, alkali, munyu uye chloride mhinduro, asi kushomeka kwekushomeka kwemafuta uye kunyungudutsa. Hazvikurudzirwi kushandiswa mu ozone medium. Iyo inokurudzirwa tembiricha yekushandisa ndeye - 57 ¡æ ~ 93 ¡æ.
2. Neoprene Cr
Neoprene imhando yerabha yakagadzirwa, iyo inokodzera yepakati corrosion kuramba mu acid, alkali uye munyu mhinduro. Iyo ine yakanaka corrosion resistance kumafuta ekutengesa uye mafuta. Nekudaro, kusadzivirirwa kwekuora kweakasimba oxidizing asidhi, anonhuwirira hydrocarbons uye chlorinated hydrocarbons haina kunaka. Iyo inokurudzirwa tembiricha yekushandisa ndeye - 51 ¡æ ~ 121 ¡æ.
3. Nitrile butadiene rubber NBR
Cyano butadiene rubber imhando yerabha yekugadzira, iyo inokodzera kunaka kwekusagadzikana kwemafuta, zvinonyungudutsa, zvinonhuhwirira hydrocarbon, alkaline hydrocarbon, oiri uye gasi rechisikigo munzvimbo yakakura yekupisa. Iyo ine yakanaka corrosion resistance kune hydroxide, munyu uye pedyo ne neutral acid. Nekudaro, mune yakasimba oxidizing svikiro, chlorinated hydrocarbons, ketoni uye lipids, kusimba kwavo kwekuora kwakashata. Iyo inokurudzirwa tembiricha yekushanda i51 ¡æ ~ 121 ¡æ.
4. Fluororubber
Iyo ine yakanaka corrosion resistance kumafuta, mafuta, chloride solution, inonhuhwirira uye lipid hydrocarbons uye yakasimba acids, asi haina kukodzera maamine, lipids, ketoni uye steam. Iyo inokurudzirwa tembiricha yekushanda ndeye - 40 ¡æ ~ 232 ¡æ.
5. Chlorosulfonated polyethylene synthetic rubber
Iyo ine yakanaka corrosion resistance kune acid, alkali uye munyu mhinduro, uye haina kukanganiswa nemamiriro ekunze, chiedza,, ozone uye mabhizimisi emafuta (akadai sedhiziri neparafini). Nekudaro, haina kukodzera kune anonhuwirira hydrocarbons, chlorinated hydrocarbons, chromic acid uye nitric acid. Iyo inokurudzirwa tembiricha yekushandisa ndeye - 45 ¡æ ~ 135 ¡æ.
6. Silicone rabha
Iyo ine yakanaka corrosion resistance kumhepo inopisa. Silicone rubber haina kukanganiswa nechiedza chezuva uye ozone. Nekudaro, haina kukodzera kune chiutsi, ketoni, anonhuwirira hydrocarbons uye lipid hydrocarbons.
7. Ethylene propylene rubber
Iyo ine yakanaka corrosion resistance kune yakasimba acid, alkali, munyu uye chloride mhinduro. Nekudaro, haina kukodzera mafuta, zvinonyungudutsa, zvinonhuhwirira hydrocarbons uye hydrocarbons. Iyo inokurudzirwa tembiricha yekushandisa ndeye - 57 ¡æ ~ 176 ¡æ.
8. Graphite
Nyaya yacho ndeyese magirafu zvinhu zvisina resin kana inorganic matter, inogona kupatsanurwa kuita graphite zvinhu zvine kana zvisina simbi zvinhu. Nyaya yacho inogona kusungwa kuti ibudise pombi gaskets ine dhayamita inopfuura 600mm. Iyo ine yakanakisa corrosion kuramba kune akawanda acid, mabhesi, munyu, organic komisheni, kupisa kupisa mhinduro uye kunyangwe tembiricha mhinduro. Haikwanise kunyungudika, asi inodzika pamusoro pe3316 ¡æ. Pasi pemamiriro ekupisa kwepamusoro, zvinhu zvinofanira kushandiswa zvakanyatsonaka mune yakasimba oxidizing medium. Pamusoro pemagaskets, izvo zvinhu zvinogona zvakare kushandiswa kugadzira asiri-simbi anomonereka matepi mumafiller uye spiral ronda gaskets.
9. Ceramic fiber, ceramic fiber yakagadzirwa pamutsetse
Iyo yakanakisa gasket zvinhu inokodzera kupisa kwakanyanya uye yakaderera kudzvinyirira mamiriro uye light flange mamiriro. Iyo inokurudzirwa tembiricha yekushanda ndeye 1093 ¡æ, uye iyo isiri-simbi inomonereka tepi muronda gasket inogona kugadzirwa.
10 polytetrafluoroethylene
Iyo inobatanidza zvakanakira zveakawanda epurasitiki gasket zvinhu, kusanganisira tembiricha kuramba kubva - 95 ¡æ ~ 232 ¡æ. Pamusoro pemahara fluorine uye alkali simbi, ine yakanakisa corrosion kuramba kumakemikari, solvents, hydroxides uye acids. PTFE zvinhu zvinogona kuzadzwa negirazi kuderedza kutonhora kwemvura uye kukambaira kwePTFE.
Nguva yekutumira: Nov-02-2021
