1. Hōʻikeʻike
AISI 420 Kila kohu ʻole (X20cR13 / 1.4021) he margebic-carbon marviticic kila kohu ʻole nona nā 400-ʻano o nā mea kanu lāʻau.
Hōʻikeʻia kēiaʻano no kāna micsostrucial, Hāʻawi i kēia mau mea hoʻokūkū i ko lākouʻano paʻakikī a me ka ikaika.
Ua hoʻohālikelikeʻia i nāʻano kila'ē aʻe, ʻO ka kila kila asi 420 hāʻawi i kahi kaulike kūʻokoʻa ma waena o ka paleʻana o ka corrosion a me ka paʻakikī.
ʻOiaiʻaʻole paha e hoʻohālikelike i ka paleʻana o ka corrosioni e kū pono ana i nā kila austenitic 304 Oole 316, Hiki ke paʻakikī i kahi kiʻekiʻe kiʻekiʻe, Ke kūpono nei ia i nā noi i kahi e kau ai ka paleʻana i keʻano.
ʻO ke kumu o kēiaʻatikala e hāʻawi i kahi nānā piha a me ka hohonu hohonu o AISI 420 kila kohu ʻole.
Eʻimi mākou i kānaʻano hana pono, ʻO nā waiwai pilikino a me nā mīkini, ʻO Corrosio a me ka wela,
ʻO nā kaʻina hana wela, nā lole a me ka machinability, noi, Loaʻa, PAHUI, a hana i nā loiloi hoʻohālikelike me nā helu kila hou.
2. Kemikehi o ka asi 420 Kila kohu ʻole
AISI 420 Hoʻokomoʻiaʻo Stiinless Steel i ka Martesestic lālā o nā 400-series, ho'ākākaʻia e kona hiki ke hana i kahi paʻakikī, pono-like mertiste bhase ma quenching.
Konaʻano koho (i wt%) Nā kikowaena ma:
| Mua | ʻO nā manaʻo maʻamau (wt%) | ʻO ke kuleana mua |
| Chromium (Cr) | 12.0 - 14.0 | E hana i ka papa hana scrive passive |
| KālekaʻAʻI (C) | ≤ 0.15 | Eʻae i ka hoʻokumuʻana ma ke kikowaenaʻo Martidete a me ka paʻakikī |
| Mang kāne (Mn) | ≤ 1.00 | E hana e like me Deoxidizer; hoʻomaikaʻi hou i ka hana wela |
| Silikino (A) | ≤ 1.00 | Hahai Hoʻolālā Ferrite; ʻO ADSID ACEPAIDAtion a me ka deoxidation |
| Phoshorus (P) | ≤ 0.04 | I hōʻinoʻia e mālama i ka paʻakikī |
| Sulfur (S) | ≤ 0.03 | Impough-enhances machnicability, palena no ka ulia |
| 'Eron (Lia) | Kaulike | Baset Ital Matrix Element |
3. O ka kino & Nā mea likeʻole o Aisi 420 Kila kohu ʻole
AISI 420 Hoʻopiliʻo Stiinless Steel i ka ikaika kiʻekiʻe a me keʻano haʻahaʻa me nā mea maikaʻi loa.
ʻO nā waiwai nui e hōʻemiʻia ma lalo nei, Ke hoʻohana nei i nā papa like a me nā mea hana imperial no ka hanaʻenehana.
| Waiwai | E like me ka haʻalele | Wahine maila (250 ° C / 1 huh) |
| Ikaika ikaika | 650-850 mpa(94,300-123,300 psi) | 550-700 mPA(79,800-101,500 psi) |
| Ka ikaika (0.2% Kahiki) | 450-600 mPA(65,300-87,000 PSI) | 350-500 mPA(50,800-72,500 psi) |
| Elongation ma ka wā hoʻomaha | 8-12 % | 10-15 % |
| 'Ōpala paʻakikī (Hrc) | 58-62 | 48-55 |
| Paʻakikī paʻakikī (HB) | 550-650 hb | 300-400 hb |
| Ka ikaika momona | ~ 260 Mpa(~ 37,700 Psi) I 10-style | N / a |
| Hopena paʻakikī | 12-20 j (Chary v-notch) | 20-30 j (hoʻomaikaʻiʻia ma hope o ka huhū) |
| Huakai | 7.75 g / cm³(0.280 lb / in³) | - |
| Ka HōʻaʻO Kokua | 25 W / m · c · k | - |
| ʻO keʻano o ka uila | 0.85 μ · · m | - |
4. Kuupuiawi & ʻO ka hopena wela
Kū kū'ē ka lehulehu
AISI 420 Hāʻawiʻo Stielless Steel. I loko o nā hale noho indeor, Hiki iā ia ke mālama i kona kūpaʻa no nā manawa lōʻihi me kaʻole o ka corrosio nui.
Hiki iā ia ke pale i nā hopena kūlike o nā mea kanu o nā mea kanuʻole a me nā hopena,
Ke kūpono nei ia i nāʻano noi likeʻole i nāʻoihana e like me ka hanaʻana a me ka hana māmā.
Ua hoʻokumuʻia ka papa hanaʻo Oxide i ka chromitium e ka paleʻana i ka palekana i ka Oxtidation a me keʻano maʻamau.
Akā naʻe,, Hiki ke hoʻololiʻia kēia pale i nā wahiʻoi aku ka nui.
Pitting and crevice resistice
Kekahi o nā palena o nā mea kila kila asi 420 ʻo ia ka mea haʻahaʻa haʻahaʻa haʻahaʻa a me nā crevice condistance, nui loa ma nā wahi i loaʻaʻoleʻia.
Hiki i nāʻili ke komo i kaʻaoʻao o ka payter, e pili ana i ka walaʻau kūloko a me ka hoʻokumuʻana o nā pā ma luna o kaʻaoʻao o ke kila.
Nā kānaka, e like me nā mea i loaʻa i nā gaskets, nā bolts, a iʻole e hoʻokaʻawale i nā papa hao, hiki ke hoʻonui hou i kēia kaʻina hana.
I kēia mau wahi, Hiki i nā mea hoʻohālikelike ke komo, e alakaʻi ana i nā corrosioni hou aʻe.
AISI 420 ʻaʻole ia e kuhikuhiʻia no ka hōʻikeʻana i ka hoʻolahaʻana i ke kai a iʻole nā hopena e hiki mai ana me kaʻole o nā hana palekana, e like me nā hana a me ka hoʻohanaʻana i nā inhibion.
ʻO keʻano kiʻekiʻe a me kaʻaelike kiʻekiʻe
AISI 420 hiki i ke kila stalleless ke hiki i ke kiʻekiʻe kiʻekiʻe kiʻekiʻe e like me 400 ° C me kaʻole o ka scaling koʻikoʻi a iʻole kaʻaeʻana.
I kēia mau mahana, Noho ke kauʻana o ka Payer Oxideyer e mālama a hoʻomau i ka mālamaʻana i ka pale ma ka lalo lalo.
Akā naʻe,, E hoʻonui ana ka mahana ma mua o 400 ° C, ʻO ka helu o ka oxidation e hoʻopau, A hoʻomaka ka steel e hana i kahi'āpana oxtide.
Hiki i kēia'āpana ke hoʻopau, ka hoʻolahaʻana i nā metala hou e hoʻokaʻawale hou, a hiki nō hoʻi ke hoʻopilikia i nā mea hana o ka kila.
I nā noi e pili ana i nā kiʻekiʻe kiʻekiʻe e pili ana, ʻO nā mea'ē aʻe a iʻole nā mea wela i makemakeʻia.
Nā hana hana e hoʻonui ai i ka hana corrosione
E hoʻomaikaʻi i ka paleʻana o ke kū'ēʻana o AISI 420 kila kohu ʻole, Hiki ke hoʻohanaʻia kekahi mau mea hana:
- Hoʻolauna: Hoʻopili kēia kaʻina hana i ka hoʻomaʻemaʻeʻana i ka hoʻomaʻemaʻe e wehe i nā mea hewa mai ka papa o ka kila a hoʻolaha i ka hana o ka papa hana.
Hiki i ka hoʻolahaʻana ke hoʻonui nui i ka paleʻana o nā corrosion of Aisi 420, nui loa i nā momi i nā wahi hoʻoponopono kūpono. - Electroplating: Nā uila uila Aisi 420 ʻO nā mea kila maikaʻiʻole me nā metala corrosion-coristant e like me nickel a iʻole chromium hiki ke hāʻawi i kahi papa hana hou.
ʻO ka mea hana i hoʻopaʻaʻia e like me kahi pā, Ke paleʻana i ka kila ma lalo nei e hele mai ana i ka hoʻopiliʻana me nā mea kūpono. - Nā pāpale: Ke noi nei i nā lole kūlohelohe a iʻole, e like me nā mea pena a iʻole nā pale cemik, hiki ke hoʻomaikaʻi hou i ke kū'ēʻana o ke kū'ēʻana o AISI 420.
Hiki i kēia mau lole ke hāʻawi i kahi pale kino a loaʻa paha i ka corrosion - e hoʻopili ana i nā pua.
5. ʻO ka hana wela o AISI 420 Kila kohu ʻole
ʻO kahi hoʻonāukiuki a me ke kaumaha
ʻO ka hoʻonāukiuki he kaʻina hana hoʻonaninani wela no AISI 420 kila kohu ʻole. ʻO ke kumu o keʻano o keʻano e hoʻohilahila ai i ke kila, hoʻomaikaʻi i kāna mīkini, A e hōʻoluʻolu i nā kaumaha kūloko.
- Ke kaʻina hana: Hoʻoholoʻia ka steel i kahi mahana i ka laulā o 800 - 900 ° C, i hoʻopaʻaʻia ma kēiaʻano 1-2 mau hola eʻae ai no ka hoʻopiha pihaʻana, A laila e lohi mālie i ka umu.
Kōkua kēia haʻahaʻa haʻahaʻa haʻahaʻa e pale i ka hoʻokumuʻana i keʻano o nā kaumaha o loko. - KA MANAWA: ʻO nā mea kila kila anti 420 e maʻalahi i ka mīkini a me keʻano, Ke kūpono nei ia i ka hanaʻana i nā hana hana ma hope.
He mau microsructure nui loa ia, e hiki ke hoʻomaikaʻi i kāna mau mea hana ponoʻole.
Hana pinepineʻia nāʻano relief kaumaha ma hope o nā kaʻina hana e like me ka machining, Welding, a iʻole ka hana anuanu.
Ua hoʻomehanaʻia ka steel i kahi mahana haʻahaʻa (ka mea maʻamau a puni 600 - 700 ° C), i hoʻopaʻaʻia no kahi manawa, a laila e hoʻomoʻi mālie.
Kōkua kēia kaʻina hana e hōʻoluʻolu i nā kaumaha i loko o kēia mau hana, ka hōʻemiʻana i ka pilikia o ka hukiʻana a me ka hoʻomaikaʻiʻana i keʻano o ka dimensional.
ʻO ka heluʻana me nā hopena a me nā hopena kiʻekiʻe
ʻO ka quenching kahi hana koʻikoʻi i ka hopena wela o AISI 420 ʻO ke kila maikaʻi e hoʻokō ai i kona paʻakikī kiʻekiʻe.
Hiki i ke koho o ka leka uila e loaʻa i kahi hopena koʻikoʻi ma nā waiwai o ke kila:
- Kāla Ox: ʻO ka aila ke hoʻohana pinepineʻia i ka medium o ke kiʻekiʻe no AISI 420.
Hāʻawi ia i kahi helu hoʻomehana haʻahaʻa, e kōkua ana e pale aku i nā kaumaha o loko a me nā cracking.
He kūpono ka ailaʻaila no ka hapa nui o AISI 420 ʻO nā mea kanu kila a hiki ke hopena i kahi paʻakikī kiʻekiʻe a me nā mea hana maikaʻi. - Hau hau hau: Hiki ke hoʻohanaʻiaʻo Air Quenching no nā'āpana'āpana o AISI 420.
Akā naʻe,, nā hopena i kahi pae haʻahaʻa haʻahaʻa i hoʻohālikelikeʻia i ka nui o ka aila, e alakaʻi paha i kahi paʻakikī haʻahaʻa a me nā microstructureʻokoʻa.
Ari 420 ʻoi aku ka maikaʻi o nā kila stielless no nā noi i kahi o kahi paʻakikī haʻahaʻa aʻoi aku ka paʻakikī.
ʻO ka wikiwiki o ka wikiwiki i ka wā o ka heluʻana i ka hoʻokumuʻana i ka hoʻokumuʻana o Martissite.
Ke alakaʻi nei kahi wikiwiki wikiwiki i kahi kiʻekiʻe kiʻekiʻe o Martissite a me kahi paʻakikī kiʻekiʻe, akā, hoʻonuiʻiaʻo ia i ka pilikia o ka cracking ma muli o ke kūkuluʻana i nā kaumaha o loko.
Huhū ma nāʻano likeʻole
Ua laweʻiaʻo ka huhū ma hope o ka piʻiʻana i ke kaulikeʻana i ka paʻakikī a me ka paʻakikī o AISI 420 kila kohu ʻole:
- Ka haʻahaʻa haʻahaʻa (150 - 200 ° C): Lawelawe nui kēia e hōʻoluʻolu i nā kaumaha o loko a hōʻemi iki i ka brittleness o ka mea kila e like me ke kiʻekiʻe o ka paʻakikī.
Wela wela i ka AISI 420 Hoʻohana pinepineʻia nā noi i kahi e paʻakikī ai ka paʻakikī a me ka paleʻana i ke kū'ē, e like me nā mea eʻoki ai. - Keʻano kiʻekiʻe kiʻekiʻe (300 - 400 ° C): ʻO ka huhūʻana i nā kiʻekiʻe kiʻekiʻe e hōʻemi hou i ka paʻakikī o ka mea kila akā e hoʻomaikaʻi nui i kona paʻakikī a me ka neʻe.
ʻO ka wela wela i ka AISI 420 he kūpono no nā noi kahi e hui pū ai ka ikaika, paʻakikī, a me ke kūpaʻa maikaʻi maikaʻi loa e pono ai,
e like me nā mea i hoʻonohonohoʻia a iʻole nā'āpana i kauʻia i nā ukana dinamic.
6. Huahuai & Machineability o AISI 420 Kila kohu ʻole
Nā manaʻo noʻonoʻo
ʻO ka ulanaʻana i ka kila kila asi 420 hiki ke paʻakikī ma muli o kona paʻakikī paʻakikī a me ka haʻahaʻa haʻahaʻa i loko o ka moku'āina e like me ke kūlana. Eia kekahi mau manaʻo koʻikoʻi:
- Manaihi: E hoʻomau i ka mea i loko o kahi mahana ma ka laulā o 200 - 300 ° C ma mua o ka wā e pono ai ka ulding.
Kōkua kēia e hōʻemi i ka pilikia o ka hoʻopunipuniʻana ma o ka hōʻemiʻana i keʻano o keʻano ma waena o ka hale kupapaʻu a me ke kumu waihona kumu i ka wā o ke kaʻina hana. - ʻO keʻano o ka mahana: Ka mālamaʻana i kahi mahana o keʻano o kaʻaoʻao 200 - 300 ° C i ka wā nui.
E hoʻoholo ana kēia i nā wahi well e noho ana ma kahi wela kūpono a hoʻemi i ka hopena o ka hoʻopunipuni. - Koho Lehua Hole: ʻO nā metala me nā mea hoʻohui like me nāʻano like like me ka AISI 420 kila kohu ʻole, e like me er410 a iʻole er420, Hoʻohana pinepineʻia.
Kōkua kēia mau metala i nā metala e hōʻoia i ka maikaʻi maikaʻi maikaʻi a me ke kūlike me ka mea hao waihona.
Markinpalibility
- Ka helu matchinbility: AISI 420 ʻO ke kila kila i loaʻa kahi helu machnicability o kahi kokoke 60% o b1112, ʻo ia ka mea paʻakikī e paʻakikī i ka mīkini, ʻO ka nui o ka'āina i mālamaʻia.
Hiki i kona paʻakikī ke hana i nā mea hana rapid e kāʻei a hana i nā hana eʻoki hou ana i nā hana. - Nā mea aʻoaʻo e'ōlelo ai: ʻO nā mea kila kiʻekiʻe kiʻekiʻe a iʻole nā mea hana i hoʻopaʻaʻia i nā mea hana 420.
ʻOi aku ka maikaʻi o nā mea hana kaʻa kaʻa no ka mīkini kiʻekiʻe kiʻekiʻe a hiki ke hoʻopaʻaʻia i ke kiʻekiʻe kiʻekiʻe i hanaʻia i ka wāʻokiʻoki. - ʻOkiʻoki i nā'āpana: I ka wā machining AISI 420 kila kohu ʻole, ʻO nā wikiwiki kūpono e koho ai a me nā mea hānai e kohoʻia.
ʻo kahi laʻana, Ke huliʻana me nā pono hana Carbide, kahiʻokiʻoki o 60 - 90 m / min a me kahi uku hānai o 0.1 - 0.2 Hoʻohana pinepineʻiaʻo MM / Rev.
ʻO nā wikiwiki wikiwiki a me nā mea hānai e koiʻia no nā hana manina.
Ke kūkuluʻana a hoʻopaʻaʻia
- PAHUI: AISI 420 ʻO nā kila kila he haʻahaʻa haʻahaʻa haʻahaʻa i hoʻohālikelikeʻia i nā mea kanu lāʻau austevitic, nui loa ma ka moku'āina paʻakikī.
ʻOi aku ka paʻakikī o ka hanaʻana a me ke kāʻei. Hiki ke kūpono i ka hoʻohālikelikeʻana no nā'āpana a me nā'āpana kūpono a me ka lubrication kūpono, Akā no nā'āpana thiger, Pono keʻano wela. - Wela wela: Wela wela asi 420 pili i ka hoʻomehanaʻana i ke kila i kahi mahana ma luna o kāna mahana o kānaʻoihana (ka mea maʻamau a puni 800 - 900 ° C) a laila e hana ana.
Hiki i kēia kaʻina hana no ka hana nui loa akā koi ka mālama ponoʻana i keʻano o ka mahana a me ka hoʻomahaʻana e pale i nā mea hana.
Hoʻopau ʻili
- Kūhā: Hoʻohanaʻiaʻo Grinding e wehe i ke kumukūʻai a hoʻokō i kaʻano makemake a me ka dimensional pololei o Aisi 420 nā mea hao kila.
Hiki ke hoʻohanaʻia nāʻano hana likeʻole e pili ana i nā mea i hiki ke hoʻohanaʻia ma luna o ka waihona a me ka hoʻopau ponoʻana. - ʻO ka hoʻopololei: Ua laweʻiaʻo Polani e loaʻa i kahi hoʻopau maikaʻi, he mea nui no nā noi e like me kaʻokiʻoki, nā mea hana lāʻau lapaʻau, a iʻole nā'āpana hoʻonaninani.
ʻO nā hana hoʻohālikelike likeʻole, e like me ka pīpī a me ka electrophishinging, hiki ke hoʻohanaʻia. - Hoʻolauna: E like me ka mea i'ōleloʻia ma mua, ʻO ka mea kūʻai akuʻo ia kahiʻano o ka papa e hoʻopau ai e kōkua i ka hoʻonuiʻana i ke kū'ēʻana i ka pale o AISI 420.
E pili ana i ka hoʻomaʻamaʻaʻana i ka lāʻau lapaʻau e hoʻomaʻemaʻe i ka papa a hoʻolaha i ka hoʻokumuʻana i kahi papa o ka mīkini pale pale.
7. Nā noi a Aisi 420 Kila kohu ʻole
Nā huiʻokiʻoki
- Nā'āpana noi: Nā Kūlana Kini, forks, nā pā, a me nā knives steak.
ʻO kēia mau mea pono e loaʻa mai iā AISI 420.
Kahua olakino
- Nā'āpana noi: Nā scalpels, Nā ikaika, haku wahine, Nā'ōwili nui.
ʻO ka paʻakikī kiʻekiʻe o Aisi 420 aeʻae no nā kihiʻokiʻoki, ʻOiai e hōʻoiaʻiʻo ana i kona paleʻana i nā mea kani i hiki ke hoʻopaʻaʻia i nā kaʻina hana sterilitated.
Nā meaʻai a me nā mea inu hana
- Nā'āpana noi: Nā Vilves, Pumps, hui kāwiliʻia, Nā'āpana conveyor.
AISI 420 Hoʻokuʻu i nā mea kanu mai nā huahana meaʻai e like me nā wai o Acidic, dairy, a me nā balty bily, a me kona mau mea i loko o nā waiwai-pale i kūpono i nā'āpana e komo i loko o nā mea kanu.
Ke kālepaʻana
- Nā'āpana noi: Pumps, Nā Vilves, Nā pono no ka mālamaʻana i nā mea kanu ponoʻole.
Hiki iā ia ke hoʻopau i ka hoʻouka kauaʻana o nā maʻi a me ka alkalis i kaʻoihanaʻoihana.
Nā mīkini mīkini
- Nā'āpana noi: Kāhele, Kauluhi, Nā Nele, kiʻiʻia, lole lole.
ʻO ka paʻakikī kiʻekiʻe o Aisi 420 Hoʻopilikiaʻo Stainless Steel i kēia mau'āpana i nā ukana kiʻekiʻe, kuiahuli, a me ka lole i nā mīkini ikaika-hana e like me ke kūkuluʻana a me nā mea hana hana.
Nā'āpana automotive
- Nā'āpana noi: Nā'āpana liʻiliʻi liʻiliʻi, Nā'āpana pili, a me kekahi mea paakiki.
Kona hui pūʻana o ka ikaika, paakiki, a me ke kū'ēʻana o ka corrosion corrosiote e kūpono ia no nā noi o nā automotive likeʻole.
Nā mīkini kikokikona
- Nā'āpana noi: E alakaʻi i nā Bars, nāʻokiʻoki, Kuha wai.
Kōkuaʻo Aisi 420 o ka paleʻana i kēia mau'āpana i ka hana ma luna o nā manawa lōʻihi o ka hoʻohanaʻana i ke kaʻina hana hoʻohālike.
8. Loaʻa & Nā palena o AISI 420 Kila kohu ʻole
AISI 420 Hāʻawiʻo Stielless Steel i kahi hui kūʻokoʻa o paakiki, E kāʻei i ke kū'ē, and Mālamaʻo Corrosiote Cronteron, hana i kahi papa marsitic kaulana no nā noi e koi ai ʻO ka durability a me ka mālamaʻana.
Akā naʻe,, hele mai kona hoʻohanaʻana me kekahi mau kālepa kālepa e pono ai nā mea hana a me nā mea hana e noʻonoʻo i ka wā e koho ai i nā māhele koʻikoʻi.
Mea pono o AISI 420 Kila kohu ʻole
ʻO paʻakikī paʻakikī
Ma hope o ka mālama wela, AISI 420 Hiki i ka mea kila stickless ke hoʻokō i ka pōhaku rockwell c i nā pae paʻakikī o HRC 50-55, Ke kūpono nei i nā mea hana eʻoki ai, komo i nā'āpana, Aʻo Welds.
ʻO ka paleʻana i ke kū'ē
Mahalo i kāna mau kuʻuna kiʻekiʻe kiʻekiʻe a me keʻano martestitic, AISI 420 Hāʻawi i ke kū'ē ikaika i ka abrasion a me ka degradation, Ke kūpono nei i kūpono no nā wahi kiʻekiʻe.
Palapala maikai
Me kahi helu machnitability a puni 60% (ua hoʻohālikelikeʻia i AISI B1112), AISI 420 ʻoi aku ka maʻalahi o ka mīkini ma mua o nā mea kiʻekiʻe kiʻekiʻe-alloy, e hōʻoluʻolu i ka hana hana.
Pohiahohi
Hiki ke hoʻohuiʻia kēia papa i kahi aniani-like like, ʻO ia ka mea nui i nā noi e like me nā mea hana hana, Kā mākou kā'ā, a me nā'āpana hoʻonaninani.
Ke kū'ēʻana i ka paleʻana
ʻOiaiʻaʻole e like me ka corrosiod-resistant e like me nā helu Austetitic, AISI 420 ʻO nā mea hoʻokūkū hoʻokūkū maikaʻi e hana maikaʻi i nā lewaʻoluʻolu, Weʻai, a me nā'ōnaehanaʻoihana māmā māmā-ʻano i ka wā i hoʻopili ai a iʻole.
Kumukūʻai-kūpono
AISI 420 ʻoi aku ka maʻamau ma mua o nā kinikini kiʻekiʻe 316 a i ole 440c, Ke hana nei i kahi koho kūpono inā pono ke kaulike kālā a me ka hoʻokōʻana.
Nā palena o AISI 420 Kila kohu ʻole
ʻO ka paleʻana o ka paleʻana
Ua hoʻohālikelikeʻia i nā mea hoʻokūkū Austenitic e like me 304 Oole 316, AISI 420 ua emi iki i nā chrides, Nā'āpana, a me nā wahi moana, kahi e kū ai ka pitting a me ka crevice corrossion.
Hoʻemiʻia ka paʻakikī i ka paʻakikī kiʻekiʻe
E like me ka hoʻonuiʻana o ka paʻakikī, lilo ka steel i brittle brittle. ʻO kēia ka mea e kūpono ai i nā noi e pili ana i nā hopena koʻikoʻi a iʻole nā ukana wikiwiki.
ʻO kaʻoluʻolu wela
Ka hōʻike lōʻihi i nā mahana ma luna 400 ° C hiki ke alakaʻi i ka ulu nui a me ka scaling scan, hoʻemi i ka hana mechanical a me ka hana corrosion.
Limit Limita
Ma muli o kānaʻano martiketic, AISI 420 Pono ke kila Sttainless e uku i ka mālamaʻana a me ka hana wela wela e pale aku ai i ka paleʻana a me nā waiwai waiwai i ka wā o ka hanaʻana i nā hana hana.
ʻAʻole kūpono no nā wahi kūpono loa
Me kaʻole o nā lole a iʻole nā lāʻau lapaʻau, AISI 420 ʻaʻole pono e hoʻohanaʻia ma nā wahi egificivers egical i nā wahi kūpono a iʻole kahi e hāʻawiʻia ai me nā chrlodes e manaʻoʻia.
9. Nā mea kani o ka aisi 420 Kila kohu ʻole
| Kū-starder / Kahuna | Kumu / Keiawai | ʻO ka weheweheʻana |
| Hosm / Kā mākou (USA) | AISI 420 / UN S42000 | Hoʻohana nuiʻiaʻoʻAmelika Hui PūʻIa e pili ana iā Astm A276; VERSATIE MA KA'ĀNUI A ME KA LOA. |
| I / Mai (Europa) | X20cR13 / 1.4021 | KA MEAPAIOLELO (Meaʻole.), maʻamau i nā'āpana hana, Nā pahi, a me nā lako hana meaʻai. |
| ʻo ia (Iapana) | Kona 420j1 / Kona 420j2 | Nā Kūlana Iapana; Ua loaʻa i ka papaʻo J2 ma kahi o ka carbon, ka hoʻolakoʻana i nā paʻakikī kiʻekiʻe-hoʻohanaʻia ma nā pale a me nā mea hana hana. |
| Gb (Kina) | Y1cr13 / 20Cr13 | Nā Kūlana Kūʻai Kina mai GB / T 1220 a gb / t 3280; hoʻohanaʻia no nā'āpana corrosiod-resistant a kiʻekiʻe. |
| Bs (Uk) | 420S29 / 420'Apili S45 | Pelekane BS 970 kūlā; pili i loko o nā mea hana a me nā mea hana i nā mea hana me ka machinability maikaʻi a hoʻopaʻa i ka pale. |
10. Hoʻohālikelike hoʻohālikelike o AISI 420 Kila kohu ʻole
| Aspect | AISI 420 | AISI 440C | Austetetitic 304/316 | Patder Itallurgy (PM) 420 | ʻO nā mea kanu pīpī fuplex |
| Moloka | Martesestic | Martesestic | Austetetitic | Martesestic (Hoʻonuiʻia ma ke kaʻina hana PM) | Hui pūʻiaʻo Austetitic-ferritic |
| NA MANAOLO DOLIAMERA | ≤ 0.15% | ~ 1.0% | Hoʻohaʻahaʻa (~ 0 0%) | E like me AISI 420, me nā microstructure | Loli |
| Hālulu (Hrc) | 48-55 | 58-62 | Non-paakiki | Hoʻohālikelike aʻoi aku paha ma mua o 420 | Loli (haʻahaʻa loa 420) |
| Ke kū'ē neiʻo Corrosionion | Loli; maikaʻi ma nā wahi leʻaleʻa | Liʻiliʻi ma lalo o 420 Ma muli o nā kaʻa | Kūpono, loa 316 me ka mo | Hoʻonuiʻia ma muli o ke kaʻinaʻana o PM | Kūpono, ʻO ka piko kiʻekiʻe a me ke koʻikoʻi o ka paleʻana |
| E kāʻei i ke kū'ē | Maikaʻi loa | Kūpono | Hoʻohaʻahaʻa | Maikaʻi loa i ka maʻamau 420 | Loli |
| Paʻakikī | Loli | Haʻahaʻa loa 420 | High | Hoʻomaikaʻi i ka paʻakikī ma luna o ka maʻamau 420 | High |
| Hana wela | ʻAe | ʻAe | ʻAʻole | ʻAe | ʻAʻole |
| Markinpalibility | Loli (~ 60% o B1112) | Haʻahaʻa ma muli o ka paʻakikī kiʻekiʻe | High | Hoʻomaikaʻi i ka manika hoʻomaikaʻi ma muli o ka papa ahiahi | Loli |
| Nā noi maʻamau | Kā mākou kā'ā, Nā Vilves, Nā Hana Hana Kūʻai | Nā Kūlana kiʻekiʻe, Kāhele | Nā lako hana, ʻO ka ho'ōlaʻana i ka meaʻai | Papaʻa hana, komo i nā'āpana | Nā mea i hoʻopaʻaʻia i nā wahi o ka hoʻoponoponoʻana |
| Kālā | Loli | ʻOi aku ka kiʻekiʻe | ʻO ke kiʻekiʻe kiʻekiʻe | ʻOi aku ka kiʻekiʻe ma muli o ke kaʻina hana holomua | ʻOi aku ka kiʻekiʻe |
11. Hopena
AISI 420 Hāʻawiʻo Stiinless Steel i kahi kūhula, kū paʻa, and kumukūʻai-maikaʻi hoʻonā i nā wahi a me keʻano o ka paleʻana a me ke kiʻekiʻe kiʻekiʻe.
Ma ka hoʻomaopopoʻana Keʻaimamāwahine Pōʻalima Dillil, ʻO nā koi koi, and ʻO nā noi noi, Hiki i nā Engineines ke lawe 420 E hoʻohālikelike i nā hanaʻelua a me ka waihona kālā ma nā hana hana, Nā Vilves, A e komo i nā'āpana.
E like me ka hoʻohuiʻana o ka hana hoʻohui a me nā lole lole holomua, AISI 420 ʻO keʻano o keʻano o ka cheelless e hoʻonuiʻia e hoʻonui i nā mea e koi ai i nāʻoihana lawelawe.
LangHe ʻO ke koho kūpono kūpono no kāu hana hana e pono ai inā makemakeʻoe i ka maikaʻi kiʻekiʻe nā mea hao kila.
