1. Hōʻikeʻike
1.4021 he kila kuhiliʻole martensitic i ʻike nui ʻia e ka inoa X20Cr13 a i kuhikuhi pinepine ia AISI 420 ma nā palapala hoʻolako.
No ka ʻohana o chromium stainless steels hiki ke hoʻopaʻakikī ʻia e ka mālama wela, ʻokoʻa loa ia mai nā māka austenitic maʻamau i hoʻohana ʻia no ka pale ʻana i ka corrosion maʻamau.
I ka hoʻomaʻamaʻa, 1.4021 koho ʻia inā makemake ka mea hoʻolālā i ka hui pū ʻana o ke kūpaʻa corrosion haʻahaʻa, hiki ke paakiki kiʻekiʻe, a me ka hoʻohana pono ʻana i ka pale ʻana ma mua o ka hana corrosion kiʻekiʻe.
He mea koʻikoʻi ka mea i ka cutlery, Nā Wili, Nā'āpana nui, Nā'āpana Hydraulic, ʻO nā mīkini, a me nā'āpana hoʻonaninani, no ka mea, ua kūpono kona koena waiwai i nā ʻāpana ikaika, piliaonaona, a hiki ke lawelawe ʻia i loko o nā kaiapuni haʻahaʻa corrosive.
ʻO ia ka manaʻo nui ma hope 1.4021: ʻaʻole ia he kila kuhiliʻole honua, akā, he mea i manaʻo ʻia.
2. He aha 1.4021 Kila kohu ʻole?
1.4021 he martensitic chromium kila kohu ʻole me kahi mea chromium i loko o ka 12-14% laula a me ke kalapona i ka 0.16-0.25% Nā haʻona.
Hōʻike ʻia nā palapala ʻikepili o ka mea kūʻai aku ma ke ʻano he kila paʻakikī i hoʻohana ʻia i ke kūlana kinai ʻia a me ka huhū no nā hana kūkulu hale ke kū'ēʻana i ka paleʻana pono.
Ua wehewehe ʻia ʻo ia he ʻoki ʻoki a me ke kila maka, e hōʻike ana i kona hiki ke hoʻokō i ka paʻakikī kiʻekiʻe ma hope o ka mālama wela.
He ferromagnetic kēia papa, loaʻa i ka machinability maikaʻi a me ka forgeability, a kūpono no ka hoʻohana ʻana a hiki i kahi 550-600 ° C ma muli o ka waiwai e noʻonoʻo ʻia.
Ua ʻōlelo kekahi ʻatikala he "kūʻokoʻa a hiki i 1100 ° F,” e pili ana 593° C, ʻoiai ʻo kekahi e hoʻomaopopo i ke kūpaʻa maikaʻi ʻana i ka hoʻokahe ʻana i nā lewa a hiki i kahi 600° C.
Kūlike kēlā mau waiwai me ka manaʻo o kēlā 1.4021 he mea hiki ke lawelawe me ka wela wela, akā, ʻaʻole ia he mea hoʻoheheʻe corrosion kiʻekiʻe.
Nā hiʻohiʻona kumu
Ma kahi pae hana, 1.4021 waiwai no na mea eha:
- Hiki iā ia hākūʻia i ka ikaika kiʻekiʻe a me ka paʻakikī,
- 1.4021 he kila kuhiliʻole ke kū'ēʻana i ka paleʻana i loko o ka media chloride-free,
- Hiki iā ia i poni ʻia a hiki i ka pau ʻana o ka nani,
- ʻo ia magnetic, he mea pono a makemake ʻole paha ma muli o ka noi.
3. Ka Hoʻohui Kimia a me ka ʻIke Mea
| Mua | Laulā maʻamau i 1.4021 | Hana ma ka Alloy |
| KālekaʻAʻI (C) | 0.16-0.25% | Hāʻawi i ka paʻakikī a ʻoi aku ka paʻakikī hope loa. |
| Chromium (Cr) | 12.0–14.0% | Hāʻawi i ke ʻano kulika a me ka pale ʻana i ka oxidation. |
| Mang kāne (Mn) | ≤ 1.50% | Kākoʻo i ka deoxidation a me ka hoʻoponopono kaulike. |
| Silikino (A) | ≤ 1.00% | Kōkua i ka hana kila a hāʻawi haʻahaʻa i ka ikaika. |
| Phoshorus (P) | ≤ 0.040% | Mālama ʻia ka haʻahaʻa e pale aku i ka palupalu. |
| Sulfur (S) | ≤ 0.030% | Mālama haʻahaʻa; Hiki ke ho'ohana 'ia ka sulfur i ho'omalu 'ia no ka machinability ma kekahi mau 'ano huahana. |
| 'Eron (Lia) | Kaulike | ʻElemu matrix o ke kila. |
4. ʻO nā mea pilikino a me nā pono o 1.4021 Kila kohu ʻole
Na waiwai o 1.4021 hilinaʻi nui i ke kūlana mālama wela. Ma ke kūlana annealed he mea hiki ke hana; ma hope o ke kinai ʻana a me ka hoʻoluliluli ʻana, ʻoi aku ka paʻakikī a me ka ikaika.
Hōʻuluʻulu nā papa ma lalo i nā waiwai wela o ka lumi mai nā ʻikepili i paʻi ʻia.
Nā Pūnaewele Pūnaewele
| Waiwai | Waiwai maʻamau | Nā moʻolelo |
| Huakai | 7.70–7.73 g/cm³ | He kila kuhiliʻole martensitic mānoanoa, ʻano maʻamau o nā kila chromium. |
| Modulus elastic | 215–216 GPa | ʻOoleʻa koʻikoʻi ke hoʻohālikelike ʻia me nā kila kuhili ʻole austenitic. |
| Ka HōʻaʻO Kokua | 30 W / m · c · k | ʻO ka lawe ʻana i ka wela haʻahaʻa no ke kila kuhili. |
| wela kūikawā | 460 J / KIG · K | Ka mana wela maʻamau no kēia ʻohana papa. |
| Ka maikaʻi o ka hoʻonuiʻana i ka | e pili ana 10.5 × 10-° C (20-100 ° C) | ʻOi aku ka haʻahaʻa ma mua o nā kila kuhili ʻole austenitic, kōkua ana i ke kūpaʻa ana. |
| Pane mākēneki | ʻAe | Ferromagnetic i ke kūlana maʻamau. |
Nā Pīkuhi Propertinies
| Kūlana | Ka ikaika | Ikaika ikaika | Ewangantion | Hālulu | Nā moʻolelo |
| Anned / kūlana palupalu | —— | A hiki i kahi 760 MPa max | —— | A hiki i kahi 230 HB max | He kūpono no ka mīkini a hana ʻana ma mua o ka paʻakikī hope. |
| +QT700 | ≥ 500 Mpa | 700-850 mpa | ≥ 13% | —— | ʻO ke kūlana paʻakikī kaulike me ka paʻakikī maikaʻi. |
| +QT800 | ≥ 600 Mpa | 800-950 mpa | ≥ 12% | —— | ʻOi aku ka ikaika/paʻakikī, haʻahaʻa haʻahaʻa haʻahaʻa. |
5. ʻO ka mālama wela, Hāwanaʻu, a me nā morstructure
ʻO ka mālama wela
1.4021 he Martelitic Vielless Steel, no laila ua hoʻomalu ʻia kāna hana e kahi pōʻai wela ma mua o ke kūlana i loaʻa wale ʻia..
I ka moku'āina, ʻoi aku ka palupalu a ʻoi aku ka hana; Ma hope o ka piʻiʻana a me ka huhū, lilo ia i mea ʻoi aku ka paʻakikī a ʻoi aku ka ikaika.
ʻO kēlā paʻakikī ke kumu nui e hoʻohana ʻia ai ka māka no nā lau, Nā papahele, Nā mea paʻa, a me nā mea ʻaʻahu ʻē aʻe.
Hōʻike ʻia nā ʻikepili i paʻi ʻia i ke kūlana palupalu i loaʻa ma ka paʻa ʻana ma 745–825°C ukali ʻia e ka hoʻolili ʻana o ka ea, ʻoiai e hana ʻia ka paʻakikī ma ka hoʻomehana ʻana i kahi kokoke 950–1050°C a me ka hooluolu i ka ea a i ka aila.
Hāwanaʻu
ʻO ka hopena microstructure he kumu martensitic ma hope o ke kinai ʻana, a ua hoʻohana ʻia ka ʻanuʻu hoʻonanea e hoʻoponopono i ke kaulike ma waena o ka paʻakikī a me ka paʻakikī.
No ka hana pono, koho ʻia ka laulā e like me ka mea i hoʻonohonoho ʻia: hāʻawi kekahi kumu QT700 a 650-750 ° C a QT800 a 600-700 ° C, aʻo kekahi e hoʻomaopopo i ka ikaika i makemake ʻia e hoʻoholo i ka mahana wela.
ʻAʻole kēia he "hoʻokahi-nui-pono-a pau".; he mea nona ka hana hope loa i hana ʻia ma o ka hana wela.
Moloka
ʻO kahi kikoʻī metallurgical koʻikoʻi ka puka makani embrittlement. Hōʻike ka ʻikepili i ka laulā ma waena 400° C a me 600 ° C Pono e pale ʻia no ka mea hiki ke hoʻoheheʻe ʻia nā mea makemake ʻole a hiki i ka embrittlement.
'O ia ho'i, hiki ke hana 'ia ka pa'a, akā, pono e mālama ʻia me ke aʻo wela.
I nā'ōlelo'ē aʻe, ʻO ka naʻau lapaʻau like ʻole e hana ai 1.4021 hoʻohana maikaʻi ʻole ia e kala ʻole inā maikaʻi ʻole ke kaʻina hana.
ʻO ka hana microstructural e pili ana i ka wiliwili e hahai i ka lokahi like. Ma hope o ka welding, pono e hooluolu ka mea hana ma lalo o ka māhele hoʻomaka martensite, aneane 120° C, ma mua o ka hana ʻana.
Hoʻemi kēia i ka pilikia o ka haki ʻana a kōkua i ka hoʻihoʻi ʻana i ke koena waiwai i ʻoi aku ka paʻa ma ka wahi i hoʻopilikia ʻia i ka wela.
Hoʻomaopopo kekahi kumu ʻelua ʻaʻole i wili pinepine ʻia ka papa ma muli o kāna ʻano paʻakikī ea, ʻo ia ke ʻano o ka ʻōlelo ʻana e pili nui ana ka hoʻokomo ʻana i ka wela a me ka mōʻaukala hoʻoluʻu i ka hana hope.
Hōʻuluʻulu hoʻomaʻamaʻa wela
| Kūlana hana | Kūlana maʻamau | Ka hopena metallurgical | Ka hopena ʻenekinia |
| Hoʻopili palupalu | 745–825°C, hoʻolili ʻana i ka ea | ʻO ke ʻano martensitic precursor palupalu | ʻOi aku ka machinability a me ka formability. |
| Hāwanaʻu | 950–1050°C, a laila kinai ka ea/ʻaila | Hoʻokumu martensite | Piʻi nui i ka paʻakikī a me ka ikaika. |
| ʻO ka hoʻomaʻamaʻa ʻana no QT700 | 650-750 ° C | Hoʻemi i ka palupalu, hoʻonohonoho i ka pae ikaika hope | ʻO ka ikaika kaulike a me ka paʻakikī. |
| ʻO ka hoʻomaʻamaʻa ʻana no QT800 | 600-700 ° C | ʻOi aku ka ikaika/paʻakikī, emi iki ka ductility | ʻOi aku ka ikaika akā ʻoi aku ka koi o ke kūlana lawelawe. |
6. Hana ʻino i nā kaiapuni like ʻole
1.4021 hāʻawi ʻia ke kila kila loli Ke kū'ē neiʻo Corrosionion, ʻaʻole ka pale ʻino ākea e pili ana i nā māka austenitic e like me 304 Oole 316.
Ua ʻōlelo kekahi ʻatikala he hana maikaʻi ia i ka corrosive haʻahaʻa, chloride ʻole kaiapuni e like me kopa, nā mea holoi holoi, a me nā ʻakika organik, aʻo kekahi e kākau i ke kū'ē i ka lewa, wai wai, dilite acid, a me ka alkali.
He mea pono ia, akā ʻaʻole honua. Loaʻa i ka alloy nā palena maopopo.
Wahi a Swiss Steel ʻo ia ʻaʻole kūʻē i ka corrosion intergranular ma ke kūlana i hāʻawi ʻia a i ʻole like me ka weld, a 1.4021 no laila, ʻaʻole pono e mālama ʻia e like me ka corrosion-specialist stainless steel i ka lawelawe kemika welded.
ʻOi aku ka maikaʻi o kāna hana corrosion ke hoʻomaloʻo maikaʻi ʻia ka ʻili, a ua ʻike maopopo kekahi kumu i ka loaʻa ʻana o ke kūpaʻa ʻana i ka corrosion maikaʻi loa i ka wā i lepo maikaʻi ʻia ai ka ʻili..
ʻO ke kuanaʻe ʻino
- Maikaʻi no ka lewa, wai wai, dilite acid, Alkaliis, kopa, nā mea holoi holoi, a me nā ʻakika organik.
- ʻAʻole kahi koho maikaʻi no ka chloride-kaumaha a i ʻole ka lawelawe ʻino.
- He mea nui ka hoʻopau ʻana i ka ʻili: ʻoi aku ka maikaʻi o nā ʻili i poni ʻia.
- Hiki ke hoʻemi ʻia ke kuʻi ʻana o ka corrosion ke ʻole ka mālama pono ʻana.
7. Huahuai, Welding, a me ka noonoo ana i ka mīkini
Hana hana
1.4021 he kila kuhiliʻole martensitic, no laila ua pili pono kāna ʻano hana i kona pae paʻakikī a me ka mōʻaukala wela.
I ke kūlana Anneed, hiki ke hana, a me ka ʻikepili mea hoʻolako e wehewehe i kona forgeability maikaʻi, kona hana anu e like me ka hiki, a me kona machinability e like me ka maikaʻi.
Hoʻomaopopo pū nā ʻikepili like ʻole hiki ke hoʻohana ʻia i ka wela- a me ka pepa anu, kāʻei, Nā BaRS, Nā hāmeʻa, Nā'āpana, a me nā huahana mālamalama, e hōʻike ana i kahi puka aniani hana ʻoihana ākea ākea.
He ala kūpono e noʻonoʻo ai 1.4021 ʻo kēia: ʻaʻole ia he kila kila "paʻakikī" ma ke ʻano hana, akā, ʻaʻole ia he papa austenitic palupalu.
Hoʻololi maoli kona ʻano hana me ka paʻakikī, a e hoʻoholo ʻia ka pahuhopu waiwai hope ma mua o ka hoʻomaka ʻana a i ʻole ka hoʻomaka ʻana i ka mīkini.
No ia kumu, Pono e mālama ʻia ka hoʻolālā hana ʻana a me ka hoʻolālā ʻana i ka wela ma ke ʻano he pilikia i hui pū ʻia ma mua o nā ʻanuʻu ʻelua.
Ka hana ʻana a me ka hana wela
Hoʻokumu maikaʻi ʻia ka hana wela no kēia papa. Manaʻo kekahi ʻikepili i ka hoʻomehana lohi i kahi 850° C, a laila hoʻomehana wikiwiki i 1150–1180°C, me ke kalai ana i hanaia mawaena 1100° C a 900 ° C, a ukali ʻia e ka hoʻomaloʻo lohi e hāpai i ka hoʻomohala ʻana i ka hoʻomohala ʻia.
Hoʻomaopopo kekahi kumu ʻē aʻe ua hoʻohana maikaʻi ʻia ka papa i nā noi kūkulu hale a me ka hoʻopaʻa ʻana a loaʻa iā ia ka forgeability maikaʻi.
Hōʻike kēia mau kikoʻī 1.4021 pane maikaʻi i ke kala ʻana, akā, ke aʻo ʻia ka mālama wela.
Welding
ʻAʻole kēia he papa e uku i ka hana wiliwili maʻamau.
ʻO ke kumu ke kumu: e like me ke kila martensitic, hiki ke paakiki i ka wa hooluolu, ʻo ia ka mea e hoʻonui ai i ka pilikia o nā ʻāpana weld brittle a me ke kaulike ʻole o ka waiwai inā ʻaʻole hoʻohana pono ʻia ka preheat a me ka hoʻohana ʻana..
ʻOi aku ka paʻakikī o kahi ʻikepili ʻokoʻa, e hai ana 1.4021 "ʻaʻole welded maʻamau" ma muli o kāna ʻano paʻakikī ea.
Akaka ka lawe pono: hiki ke hoʻohuihui, akā pono e hoʻolālā ʻia ma ke ʻano he hana metallurgical hoʻomalu, ʻaʻole he ʻanuʻu hui wale.
Machimen
ʻO ka Machinability kekahi o nā hiʻohiʻona maikaʻi loa o 1.4021. Hōʻike ʻo Swiss Steel i ka papa me ka maikaʻi o ka machinability, a ʻike ʻo thyssenkrupp e hana like ana ia me nā kila kalapona o ka paʻakikī like.
ʻO ia ke ʻano o ke kaumaha o ka mīkini e hoʻokele nui ʻia e ka pae paʻakikī ma mua o ke ʻano hana kila kuhili ʻole..
I ka hoʻomaʻamaʻa, ʻO ia ka mea e ʻoluʻolu loa ai ka alloy no nā ʻāpana i manaʻo ʻia e hana ʻia ma mua o ka paʻakikī hope a i ʻole hoʻohana ʻia i loko o kahi ʻano wela kahi i manaʻo nui ai ka mana dimensional..
ʻO ka hoʻopau ʻana i ka ʻili a me ka polishability
Ke hoʻopauʻana ʻoi aku ka maikaʻi ma mua o nā mea hoʻonaninani 1.4021; pili pū ia i ka hana corrosion.
Wahi a ka palapala mea hoʻolako, hiki ke hoʻomaʻamaʻa ʻia ka ʻano pahi pahi a hiki ke hoʻopau ʻia a hiki ke loaʻa ke kūpaʻa ʻino maikaʻi loa i ka wā i hoʻomaloʻo ʻia ka ʻili..
ʻO ka hoʻopau ʻana i ka ʻili he ʻāpana hana o ka hoʻolālā ma mua o ka hana hoʻonaninani hope.
Pili loa kēia no ka ʻoki ʻoki, ʻāpana kāhiko, a me nā ʻāpana mechanical i ʻike ʻia.
ʻAʻole huli ka ʻili maʻalahi 1.4021 i loko o ke kila kuhili ʻole, akā, kōkua ia i ka hana ʻana i ka huila e hoʻokō kokoke i kona pae maikaʻi loa i loko o kāna envelop lawelawe i manaʻo ʻia.
8. Pono a me nā pōʻino o 1.4021 Kila kohu ʻole
Loaʻa
1.4021 nani ke kila kuhiliʻole no ka mea, hui pū Kālā paʻakikī, Palapala maikai, a he ʻili hiki ke hoʻopau ʻia.
Me he kila kila martensitic, hiki ke mālama ʻia ka wela i ka ʻoi aku ka paʻakikī a me ka ikaika ma mua o nā māka austenitic, kūpono ia no nā lau, Nā papahele, Nā mea paʻa, a me nā ʻāpana ʻaʻahu.
Hōʻike ka ʻikepili i paʻi ʻia i nā kūlana paʻakikī i ka QT700–QT800 laulaha me ka ikaika tensile a hiki i ka oki 700-950 mpa, ma muli o ka huhū.
He mea maʻalahi hoʻi ke kila kila i ka mīkini a hiki ke hoʻomaʻamaʻa ʻia i kahi kiʻekiʻe kiʻekiʻe, ʻo ia ke kumu i hoʻohana ʻia ai i ka ʻoki ʻoki, ʻāpana kāhiko, a me nā ʻāpana mechanical precision.
Hiki ke hoʻohana i kāna pane magnetic i kekahi mau noi. I ka hana hoʻomāinoino, kaiapuni ole chloride, Hāʻawi ia i ka pale ʻana i ka corrosion.
Loaʻa nā hemahema
ʻO kona palena nui kūʻai ʻino wale nō. ʻAʻole ia he pani no nā māka austenitic e like me 304 Oole 316 i loko o ka chloride-waiwai a i ʻole ka hana ʻino.
ʻO ia hoʻi ʻaʻole kūʻē i ka corrosion intergranular ma ke kūlana i hāʻawi ʻia a i ʻole like me ka weld, no laila, pono e mālama pono ʻia ka wiliwili a me ka mōʻaukala wela.
No laila ʻoi aku ka maikaʻi o ka nānā ʻana i ka alloy ma ke ʻano he a kila kuhiliʻole paʻakikī no ka hana mechanical, ʻaʻole ia he kulika hiki ke kū i ka corrosion.
9. 'Āpanaʻoihana o 1.4021 Kila kohu ʻole
1.4021 ʻAʻole koho mua ʻia ke kila kuhiliʻole no ka mea ʻo ia ke kila kuhili ʻole.
Ua koho ʻia no ka mea hiki ke paʻakikī, Polu, a hana ʻia i nā ʻāpana e pono ai ka ikaika, E kāʻei i ke kū'ē, a me kahi ʻili kuhili kūpono i nā kaiapuni haʻahaʻa haʻahaʻa.
Nā hihia e hoʻohana ai i nā hihia
- nā pahi a me nā ʻoki ʻoki
- nā mea hana ʻoki a me nā niho
- pump nā ʻāpana a me nā ʻāpana hydraulic
- nā mea paʻa a me nā mea mechanical
- Nā'Upō, make, a me nā mea paahana
- ʻāpana kuhili ʻole
- kaʻa a me ka lako petrochemical
10. Nā Papa Kūlike ma nā Kūlana International
| Pūnaehana maʻamau | ʻO ka helu kaulike | Nā moʻolelo |
| I / Mai | 1.4021 / X20Cr13 | Ka inoa ʻEulopa mua |
| AISI / Hosm | 420 (ʻAno 420A / 420Na B) | Kokoke like; ʻokoʻa iki ka hoʻohui ʻana |
| Kā mākou | S42000 | Hoʻonohonoho ʻana i ka ʻōnaehana helu hui |
| Oia (Iapana) | Sus420j1 / Sus420j2 | Loaʻa iā J2 ke kalapona kiʻekiʻe, kokoke i nā ʻano ʻokoʻa ʻoi aku ka paʻakikī |
| Gb (Kina) | 20Cr13 | Pili pololei ma ka ʻōnaehana maʻamau Kina |
| Iso | X20Cr13 | Hoʻohui ʻia ka inoa honua |
11. Hoʻohālikelike me nā mea kanu'ē aʻe
| Waiwai | 1.4021 (X20Cr13 / 420 ʻano) | 304 (1.4301) | 316 (1.4401) | 430 (1.4016) |
| ʻOhana kila kila | Martesestic | Austetetitic | Austetetitic | Ferritic |
| Hoʻohui kī / ʻano | Ma kahi o 12–14% Cr, 0.16–0.25% C; hiki ke hoʻomaʻamaʻa a me ka hoʻomaʻamaʻa | Ahu 18% Cr / 8% I; paakiki ole ma ke ano mau | ʻO Chromium-nickel stainless me ka molybdenum no ka pale ʻana i ka chloride maikaʻi | Pololei chromium stainless me ka pili 16-18% cr; paakiki ole hale ferritic |
| ʻO ka hana paʻakikī | Paʻakikī ma ke kinai ʻana a me ka hoʻoulu ʻana | ʻAʻole hiki ke paʻakikī i ka mālama wela; hooikaika nui ia e ka hana anu | ʻAʻole hiki ke paʻakikī ma ke kinai ʻana; ikaika mai ka hana anu a me ke ʻano huahana | ʻAʻole hiki ke paʻakikī i ka mālama wela |
Ke kū'ē neiʻo Corrosionion |
Loli; kūpono no ka lewa, wai wai, hoʻoheheʻe i nā ʻakika/alkalis, kopa, nā mea holoi holoi, a me nā ʻakika organik | ʻO ke kū'ēʻana o ka'ōpū; ʻoi aku ka maikaʻi ma mua o 1.4021 i ka nui o ka lawelawe wai | ʻOi aku ka ikaika o ka pale chloride ma mua o 304 a ʻoi aku ka maikaʻi ma mua o 1.4021 no ka lawelawe pulu/corrosive | Ke kū'ēʻana i ka paleʻana; Ma lalo 304/316 i nā wahi kūlike |
| Huahuai / Welding | Mīkini hiki ke hoʻopaʻa ʻia; ʻAʻole kala ʻia ka hui ʻana a pono pinepine ka mana preheat / post-temper | Maikaʻi formability a weldability | Hoʻokumu koke ʻia, welded, kuaiia, a oki | Maikaʻi ke ʻano, akā ʻoi aku ka liʻiliʻi ma mua o nā māka austenitic i ka hana ʻino a me ka lawelawe wili |
| Kūlana maʻamau | Kūleʻa kāhili no nā lau, Nā papahele, Nā lako hana, a me nā ʻāpana mechanical corrosive | Kūleʻa ʻino ke kumu nui | Kūleʻa ʻino ʻole ke chloride | ʻO ke kumu kūʻai haʻahaʻa ferritic stainless no ka hoʻohana ʻana i ka ʻino a me ka hoʻohana ʻana i nā mea hana |
12. Hopena
1.4021 kila kohu ʻole, a i ʻole X20Cr13, he kila kila martensitic chromium me kahi kumu ʻenehana maopopo loa: e hoohui i ka paakiki, ke kū'ēʻana i ka paleʻana, E kāʻei i ke kū'ē, a me ka polishability maikaʻi ma ka papa hoʻokahi.
Kona mānoanoa, Chilulus, a me ka pane magnetic e lilo ia i metala ʻenehana ikaika, ʻoiai ʻo kāna pane lapaʻau wela e ʻae iā ia e hoʻolohe ʻia mai kahi mea i hoʻopaʻa ʻia a hiki i kahi kūlana hoʻopiʻi a ʻoi aku ka paʻakikī..
He mea nui nā palena o ka alloy. ʻAʻole ia he kulika hoʻoheheʻe honua; ʻoi aku ka maikaʻi o ka hoʻomaopopo ʻana ma ke ʻano he kila kuhili ʻole no nā kaiapuni haʻahaʻa haʻahaʻa kahi paʻakikī, Goody, a me ka hana lawelawe.
I ka manawa e hoʻomaopopo ʻia ai kēlā paʻi, lilo ka mea maʻalahi i ka waiho ʻana: 1.4021 ʻo ia ke ʻano o ke kila kuhili ʻole āu e koho ai inā makemake ʻoe i ka lihi hou aku, ʻoi aku ka pale ʻana i ka ʻaʻahu, a ʻoi aku ka paʻakikī ma mua o ka hiki ke hāʻawi ʻia e ka māka austenitic.
FaqS
He aha la 1.4021 kila kohu ʻole?
1.4021 he kila kuhiliʻole martensitic i ʻike pū ʻia X20Cr13, a ua kuhikuhi pinepine ia AISI 420 ma nā palapala hoʻolako.
Oe 1.4021 kila kuhiliʻole magnetic?
ʻAe. Hōʻike ka ʻikepili o ka mea kūʻai aku iā ia ma ke ʻano he ferromagnetic papa me ka magnetizability ʻAe.
Oe 1.4021 kila kila maikaʻi no ka wiliwili?
Hiki ke wili, akā, ʻaʻole ia ka maʻalahi o ka wiliwili ʻana.
Manaʻo nā pepa ʻikepili i ka hoʻomehana ʻana a me ka hoʻoheheʻe ʻana ma hope o ka weld, a ua ʻike kekahi kumu ʻaʻole ia i wili pinepine ʻia ma muli o kona ʻano paʻakikī ea.
Hana 1.4021 pale maikaʻi ke kila kila?
Ua loaʻa loli Ke kū'ē neiʻo Corrosionion, ʻoi aku ka nui ma nā pāpaho chloride-free e like me nā kopa, nā mea holoi holoi, ʻakika organik, wai wai, a hoʻoheheʻe i nā ʻakika/alkalis. ʻAʻole ia he kiʻekiʻe-chloride stainless grade.
Hiki 1.4021 paʻakikī ʻia ke kila kila?
ʻAe. He kila kila martensitic hardenable, maʻamau kinai ʻia mai kahi 950–1050°C a laila huhū.
