Mea hoʻopaʻa metala
1. Ke kila kalapona
ʻAʻole ʻoi aku ka nui o ka mahana hana ʻoi aku ma mua o 538 ¡æ, ʻoi aku ka maikaʻi i ka wā e oxidizing ana ka medium. ʻAʻole kūpono ka pā kila kalapona lahilahi kiʻekiʻe i nā mea hana i hana ʻia no ka hana ʻana i ka waika inorganic, neutral a acid acid solution paʻakai. Inā hoʻokau ʻia ke kila kalapona i ke koʻikoʻi, ʻoi loa ka kiʻekiʻe o ka ulia pōpilikia ma lalo o ke kūlana wai wela. Hoʻohana maʻamau ʻia nā gaskets carbon steel no nā kiʻekiʻe kiʻekiʻe o ka waika a me nā hopena alkali he nui. ʻO ka paʻakikī o Brinell ma kahi o 120.
2.304 kila kila
18-8 (chromium 18-20%, nickel 8-10%), a ʻaʻole ʻoi aku ka nui o ka mahana hana i ʻōlelo ʻia ma mua o 760 ¡æ. I loko o ka wela wela o – 196 ~ 538 ¡æ, pilikia ka corrosion a me ka palena o ka palaoa. ʻO ka paʻakikī Brinell 160.
3.304l kila kila
ʻAʻole ʻoi aku ka nui o ke kalapona ma mua o 0.03%. ʻAʻole ʻoi aku ka nui o ka mahana hana ʻoi aku ma mua o 760 ¡æ. Ua like ke kūpale ʻana i ka corrosion me ke kila kila 304. ʻO ka haʻahaʻa kalapona maʻiʻo e hōʻemi i ka ua o ke kalapona mai ka lattice, a ʻoi aku ka kiʻekiʻe o ka pale ʻana i ka corrosion palena o ka palaoa ma mua o ka 304 stainless steel. ʻO ka paʻakikī o Brinell ma kahi o 140.
4.316 kila kila
18-12 (chromium 18%, nickel 12%), hoʻohui ma kahi o 2% molybdenum i 304 kila kila. Ke piʻi ka mahana, hoʻomaikaʻi kona ikaika a me ka pale ʻana i ka corrosion. Ke piʻi aʻe ka mahana, ʻoi aku ka ʻoi aku o ke kūpaʻa kolo ma mua o nā kila kulika maʻamau. ʻAʻole ʻoi aku ka nui o ka mahana hana kiʻekiʻe ma mua o 760 ¡æ. ʻO ka paʻakikī o Brinell ma kahi o 160.
5.316l kila kila
ʻAʻole ʻoi aku ka nui o ka mahana hana hoʻomau i ʻōlelo ʻia ma mua o 760 ¡æ ~ 815 ¡æ. Ke hoʻohālikelike ʻia me 316 stainless steel, ʻoi aku ka maikaʻi o ke koʻikoʻi a me ka pale ʻana i ka corrosion palena o ka palaoa. ʻO ka paʻakikī o Brinell ma kahi o 140.
6.20 huila
45% hao, 24% nickel, 20% chromium a me kahi liʻiliʻi o ka molybdenum a me ke keleawe. ʻAʻole ʻoi aku ka nui o ka mahana hana ʻoi aku ma mua o 760 ¡æ ~ 815 ¡æ. He kūpono loa ia no ka hana ʻana i nā mea hana kū i ka sulfuric acid corrosion, me ka paʻakikī o Brinell ma kahi o 160.
7. Aluminum
Aluminum (ma lalo o 99%). Loaʻa i ka alumini ke kūpaʻa corrosion maikaʻi a me ke kaʻina hana, kahi kūpono no ka hana ʻana i nā gaskets paʻi pālua. ʻO ka paʻakikī ʻo Brinell ma kahi o 35. ʻAʻole e ʻoi aku ka nui o ka mahana hana hoʻomau i ʻōlelo ʻia ma mua o 426 ¡æ.
8. keleawe ulaula
ʻO ka hui ʻana o ke keleawe ʻulaʻula kokoke i ke keleawe maʻemaʻe, aia kahi kālā liʻiliʻi e hoʻonui ai i kona mahana hana mau. Manaʻo ʻia ʻaʻole ʻoi aku ka nui o ka mahana hana hoʻomau ma mua o 260 ¡æ. ʻO ka paʻakikī o Brinell ma kahi o 80.
9. keleawe
(Copper 66%, zinc 34%), he kūpaʻa maikaʻi ka corrosion ma lalo o ka hapa nui o nā kūlana hana, akā ʻaʻole kūpono ia no ka acetic acid, ammonia, paʻakai a me ka acetylene. Manaʻo ʻia ʻaʻole ʻoi aku ka nui o ka mahana hana hoʻomau ma mua o 260 ¡æ. ʻO ka paʻakikī o Brinell ma kahi o 58.
10. Hastelloy B-2
(26-30% molybdenum, 62% nickel a me 4-6% hao). ʻAʻole ʻoi aku ka nui o ka mahana hana i ʻōlelo ʻia ma mua o 1093 ¡æ. Loaʻa iā ia ke kūpaʻa wela maikaʻi a me ka hana corrosion waika hydrochloric. Loaʻa iā ia ke kūpaʻa maikaʻi loa i ka wai kinoea hydrogen chloride kinoea, sulfuric acid, phosphoric acid a me ka hoʻohaʻahaʻa ʻana i ka hopena paʻakai. Loaʻa ka ikaika kiʻekiʻe ma ke kiʻekiʻe wela. ʻO ka paʻakikī o Brinell ma kahi o 230.
11. Hastelloy C-276
16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% hao, a me ke koena he nickel). ʻAʻole ʻoi aku ka nui o ka mahana hana i ʻōlelo ʻia ma mua o 1093 ¡æ. Loaʻa iā ia ke kūpaʻa corrosion maikaʻi loa. Loaʻa iā ia ke kūpaʻa ʻino maikaʻi i ka waika nitric anuanu a i ʻole ka paila nitric acid me ka manaʻo o 70%, maikaʻi ka corrosion kūpaʻa i ka hydrochloric acid a me ka sulfuric acid a me ke koʻikoʻi koʻikoʻi kūpaʻa pale. ʻO ka paʻakikī o Brinell ma kahi o 210.
12. Inconel 600
Nā mea hoʻohui kumu nikel (77% nickel, 15% chromium a me 7% hao). ʻAʻole ʻoi aku ka nui o ka mahana hana i ʻōlelo ʻia ma mua o 1093 ¡æ. Loaʻa ka ikaika kiʻekiʻe ma lalo o nā kūlana wela kiʻekiʻe a hoʻohana mau ʻia no nā mea hana e hoʻonā i nā pilikia corrosion stress. Ma ka wela haʻahaʻa, loaʻa iā ia nā ʻano hana like like. ʻO ka paʻakikī o Brinell ma kahi o 150.
13. Monel 400
(ʻAʻole ʻoi aku ka nui o ka mahana hana hoʻomau o ke keleawe 30% a me ka nickel ma mua o 815 ¡æ. Koe naʻe nā ʻakika oxidizing ikaika, ʻoi aku ka maikaʻi o ka pale ʻana i ka corrosion i ka hapa nui o nā waikawa a me nā kumu. a me ka media mercury, no laila, ʻaʻole kūpono ia no ka media ma luna aʻe ua hoʻohana nui ʻia i nā mea hana no ka hana ʻana i ka waika hydrofluoric ma kahi o 120.
14. Titanium
ʻAʻole ʻoi aku ka mahana o ka hana ʻoi loa ma mua o 1093 ¡æ. Loaʻa iā ia ke kūpaʻa corrosion maikaʻi ma lalo o nā kūlana wela kiʻekiʻe. Ua ʻike maikaʻi ʻia ʻo ia ke kūpaʻa i ka chloride ion corrosion a maikaʻi loa ka nitric acid corrosion kūpaʻa ma kahi ākea ākea a me ka pae koʻikoʻi. ʻAʻole hoʻohana pinepine ʻia ka Titanium i ka hapa nui o nā haʻina alkali a kūpono i nā kūlana oxidation. ʻO ka paʻakikī o Brinell ma kahi o 216.
ʻAʻohe metala kino kino
1. Rubber Natural NR
Loaʻa iā ia ka pale corrosion maikaʻi i ka waika palupalu, alkali, paʻakai a me ka chloride solutions, akā maikaʻi ʻole ke kūpaʻa corrosion i ka aila a me ka mea hoʻoheheʻe. ʻAʻole ʻōlelo ʻia e hoʻohana ʻia ma ka ozone medium. ʻO ka mahana hana i manaʻo ʻia - 57 ¡æ ~ 93 ¡æ.
2. Neoprene Cr
ʻO ka Neoprene kahi ʻano o ka synthetic rubber, kūpono ia no ke kūpaʻa corrosion medium i ka waikawa, alkali a me ka paʻakai. Loaʻa iā ia ke kūpaʻa corrosion maikaʻi i nā aila kalepa a me nā wahie. Eia nō naʻe, ʻaʻole maikaʻi ka pale ʻana i ka corrosion o nā waikawa oxidizing ikaika, hydrocarbons aromatic a me nā hydrocarbons chlorinated. ʻO ka mahana hana i manaʻo ʻia - 51 ¡æ ~ 121 ¡æ.
3. Nitrile butadiene rubber NBR
ʻO ka Cyano butadiene rubber kahi ʻano o ka synthetic rubber, kahi kūpono no ka pale ʻana i ka corrosion maikaʻi i ka ʻaila, solvent, aromatic hydrocarbon, alkaline hydrocarbon, aila a me ke kinoea maoli i kahi ākea ākea. Loaʻa iā ia ke kūpaʻa corrosion maikaʻi i ka hydroxide, paʻakai a kokoke i ka waika neutral. Eia nō naʻe, i loko o ka medium oxidizing ikaika, chlorinated hydrocarbons, ketones a me nā lipids, maikaʻi ʻole ko lākou pale ʻana i ka corrosion. ʻO ka mahana hana i manaʻo ʻia ʻo 51 ¡æ ~ 121 ¡æ.
4. Fluororubber
Loaʻa iā ia ka pale corrosion maikaʻi i ka aila, wahie, chloride solution, aromatic a lipid hydrocarbons a me nā waikawa ikaika, akā ʻaʻole kūpono ia no nā amines, lipids, ketones a me ka mahu. ʻO ka mahana hana i manaʻo ʻia - 40 ¡æ ~ 232 ¡æ.
5. Chlorosulfonated polyethylene synthetic rubber
Loaʻa iā ia ka pale corrosion maikaʻi i ka waika, alkali a me ka paʻakai, ʻaʻole pili i ke aniau, māmā, ozone a me nā wahie kalepa (e like me ka diesel a me ke kerosene). Eia nō naʻe, ʻaʻole kūpono ia no nā hydrocarbons aromatic, chlorinated hydrocarbons, chromic acid a me nitric acid. ʻO ka mahana hana i manaʻo ʻia - 45 ¡æ ~ 135 ¡æ.
6. Pāpaʻa silikoni
He maikaʻi ka corrosion kū'ē i ka ea wela. ʻAʻole pili ʻia ka lāʻau silicone e ka lā a me ka ozone. Eia naʻe, ʻaʻole kūpono ia no ka mahu, ketones, aromatic hydrocarbons a me lipid hydrocarbons.
7. Ethylene propylene rubber
Loaʻa iā ia ke kūpaʻa corrosion maikaʻi i ka waikawa ikaika, alkali, paʻakai a me nā hopena chloride. Eia naʻe, ʻaʻole kūpono ia no nā aila, nā mea hoʻoheheʻe, nā hydrocarbons aromatic a me nā hydrocarbons. ʻO ka mahana hana i manaʻo ʻia - 57 ¡æ ~ 176 ¡æ.
8. Kipi
ʻO ka mea he mea graphite āpau me ka resin a i ʻole ka mea inorganic, hiki ke hoʻokaʻawale ʻia i nā mea graphite me nā mea metala ʻole. Hiki ke hoʻopaʻa ʻia nā mea e hana i nā gaskets paipu me ke anawaena o ʻoi aku ma mua o 600mm. Loaʻa iā ia ke kūpaʻa corrosion maikaʻi loa i ka nui o nā waikawa, nā kumu, nā paʻakai, nā pūhui organik, nā hoʻololi wela a me nā hopena wela kiʻekiʻe. ʻAʻole hiki ke hoʻoheheʻe, akā e hoʻohaʻahaʻa ʻia ma luna o 3316 ¡æ. Ma lalo o nā kūlana wela kiʻekiʻe, pono e hoʻohana pono ʻia ka mea i loko o ka medium oxidizing ikaika. Ma waho aʻe o nā gaskets, hiki ke hoʻohana ʻia ka mea hana e hana i nā lipine wiliwili non-metallic i loko o nā mea hoʻopiha a me nā ʻāpana ʻeha spiral.
9. ʻO ka fiber ceramic, ka fiber ceramic i hana ʻia ma luna o ke kaula
He mea hoʻoheheʻe maikaʻi loa ia i kūpono no nā kūlana kiʻekiʻe a me nā kūlana haʻahaʻa haʻahaʻa a me nā kūlana flange māmā. ʻO ka mahana hana i manaʻo ʻia ʻo 1093 ¡æ, a hiki ke hana ʻia ka lipine wiliwili ʻole i loko o ka gasket ʻeha.
10 polytetrafluoroethylene
Hoʻohui ia i nā mea maikaʻi o ka hapa nui o nā mea gasket plastic, me ke kūpaʻa wela mai - 95 ¡æ ~ 232 ¡æ. Ma waho aʻe o ka fluorine manuahi a me nā metala alkali, he kūpaʻa maikaʻi loa ka corrosion i nā kemika, solvents, hydroxides a me nā waikawa. Hiki ke hoʻopiha ʻia nā mea PTFE me ke aniani e hōʻemi i ka wai anuanu a me ke kolo o PTFE.
Ka manawa hoʻouna: Nov-02-2021
