I 1.4307 Kila kohu ʻole (304L): Waiwai & Noi

I 1.4307 ʻO ke kila kila kekahi o nā kila kila austenitic haʻahaʻa i hoʻohana nui ʻia ma ʻEulopa a me ka hana honua.

ʻOi aku ka maikaʻi o ka EN e like me 304L fesalless kila, hoʻohui ia i ka pale corrosion maikaʻi, maikaʻi loa, hilinaʻi weldability, a me ka laulā ākea me nā kaʻina hana hana hou.

He mea koʻikoʻi kona ʻano kalapona haʻahaʻa. Hoʻohālikelike ʻia me ka maʻamau EN 1.4301 / AISI 304, I 1.4307 Ua hoʻolālā ʻia ke kila stainless e hōʻemi i ka hopena o ka ua o ka chromium carbide i ka wā wili a i ʻole ka lōʻihi o ka ʻike ʻana i nā mahana sensitization.

Ma ka hopena, he kūpono loa ia no nā hale welded, mea hana i hanaia, Piʻi nā'ōnaehana, Nā'Ka, mīkini hana ʻai, ʻOihana HoʻolālāʻAmelika, a me nā ʻāpana pololei maʻamau.

1. He aha ka EN 1.4307 Kila kohu ʻole?

I 1.4307 he austenitic chromium-nickel kila kohu ʻole pili i ka 18/8 ohana (aneane 18% chromium a 8% nickel).

ʻO ia ka maʻamau o ʻEulopa e like me AISI 304L (Loaʻa iā mākou S30403) a ʻike ʻia hoʻi e ka hōʻailona kemika X2CrNi18‑9.

Hōʻike ka inoa "L" i kona ʻano kalapona haʻahaʻa (≤0.030%), ka mea e hāʻawi ai i ke kūpaʻa kiʻekiʻe i ka corrosion intergranular ma hope o ke kuʻi ʻana.

Ma ke ʻano he papa austenitic, 1.4307 he cubic alo-waena (Fcc) ʻO ka hoʻolālā crystal, e hāʻawi ana i ka ductility maikaʻi loa, NoMame, a me ka.

E like me nā kila kuhili ʻole austenitic maʻamau, I 1.4307 ʻo ka laulā non-magnetic i ke kūlana annealed piha.

Akā naʻe,, Hiki i ka hana anu ke hoʻoulu i kahi nui o ka martensite deformation-induced, ʻo ia paha ka hopena i ka ʻano magnetic liʻiliʻi ma muli o ke ʻano o ka deformation a me ke kemika mea.

No laila, koho pinepine ʻia ka mea hoʻohui i ka wā e koi ai ka mea hana i kahi mea pale-corrosion hiki ke hana ʻia, welded, machine, a hoʻopau ʻia me ka ʻole o nā palena hana e pili ana i nā māka kila stainless kiʻekiʻe.

I 1.4307 Nā Hoʻohālike Kūleʻa Kūleʻa a me nā Kaulike International

2. Chempion cempition o 1.4307 Kila kohu ʻole

ʻO ka maʻiʻo kalapona haʻahaʻa ka hiʻohiʻona wehewehe o 1.4307, ka hoʻokaʻawale ʻana mai ka maʻamau 304 (1.4301). Hōʻike ka papa ma lalo i ka haku mele i ʻōlelo ʻia no EN 10088.

ʻIke nui: ʻO ka maʻiʻo kalapona o ≤0.030% ka ʻokoʻa koʻikoʻi ma waena 1.4307 (304L) a 1.4301 (304) kila kohu ʻole.

ʻO kēia haʻahaʻa kalapona haʻahaʻa e pale i ka ua o ka chromium carbide ma nā palena palaoa i ka wā wili., hoʻopau i ka sensitization a me ka hōʻoia ʻana i ka pale ʻana i ka corrosion maikaʻi loa i nā hale welded.

3. Nā Pono Mechanical o EN 1.4307 Kila kohu ʻole

ʻOkoʻa nā waiwai mīkini e like me ke ʻano huahana, Kohano, ʻO ka mālama wela, pae hana anu, a me ke kūlana kūpono.

Hōʻike nā waiwai ma lalo nei i nā waiwai liʻiliʻi maʻamau a i ʻole nā ​​​​mea i kuhikuhi ʻia no ka solution-annealed EN 1.4307 Nā huahana.

4. Ke kino a me ka wela

ʻO nā waiwai ma lalo nei he hōʻike no EN 1.4307 / X2CrNi18-9 kila kila.

Hiki ke ʻokoʻa iki nā waiwai maoli ma muli o ke ʻano huahana, kūlana hana, keka ao, a me ke kūlana maʻamau kūpono.

ʻO kekahi o nā ʻano ʻenehana koʻikoʻi o 1.4307 kona kiʻekiʻe kiʻekiʻe o ka hoʻonui wela hoʻohālikelike ʻia me nā kila ferritic a me nā kila kalapona.

ʻO nā mea i hoʻopili ʻia i nā loli wela nui no laila e ʻike paha i ka hoʻololi nui ʻana.

Pono e noʻonoʻo ʻia kēia i ka hoʻolālā ʻana i nā pipeline lōʻihi, nā mea hana wela, nā hale wili, Nā Kūlana Pono, a me nā ʻāpana i hoʻohui ʻia i nā mea me nā ʻano hoʻonui wela like ʻole.

Hoʻolālā Kūleʻa

• Hana haʻahaʻa wela: E like me nā kila kuhili ʻole austenitic a pau, 1.4307 ʻAʻole hōʻike i ka hoʻololi ductile-to-brittle a paʻa i ka paʻakikī maikaʻi loa a hiki i nā mahana cryogenic.
  He kūpono ia no ka lawelawe ʻana a hiki i -196 ° C a hoʻohana nui ʻia no ka mālama cryogenic a me nā lako hana.
• Hana wela kiʻekiʻe: Hoʻopau pinepine ʻia ka mahana lawelawe hoʻomau i 800-870 ° C no ka pale ʻana i ka oxidation.
  ʻO ka haʻahaʻa kalapona maʻiʻo e hōʻemi iki i ka ikaika kolo kiʻekiʻe e pili ana i ke kalapona kiʻekiʻe 1.4301, no laila, ʻaʻole ia ka koho mua no nā hoʻolālā wela kiʻekiʻe.

5. Corrosioniona o 1.4307 Kila kohu ʻole

ʻO ka pale ʻana i ka corrosion kekahi o nā mea maikaʻi loa o EN 1.4307 kila kohu ʻole.

ʻO kāna hana corrosion i loaʻa mua mai ka hoʻokumu ʻana i kahi mea lahilahi, haohao, a me ka hooponopono ana chromium oxide passive kiʻiʻoniʻoni Ke Kuhi.

Ke poino mechanically ka ili, ʻO ka wehe ʻana o ka oxygen e hiki ai i kēia papa passive ke hoʻololi, inā kūpono ke kaiapuni no ka repassivation.

Kū kū'ē ka lehulehu

I 1.4307 hana maikaʻi ke kila kuhiliʻole i nā kaiapuni e pili ana:

• ʻO ka ʻike lewa i loko a me waho maʻamau.
• ʻO ka wai maʻemaʻe a me nā ʻōnaehana wai maʻemaʻe.
• Kaiapuni hana meaʻai.
• Nā mea hoʻohana kemika.
• Nui nā ʻakika oxidizing haʻahaʻa.
• ʻO nā lako lāʻau lapaʻau a me ka hoʻomaʻemaʻe.
• ʻOihana hana maʻamau.

ʻO ke kūpaʻa corrosion maoli e hilinaʻi nui ʻia i ka pau ʻana o ka ʻili, maikaʻi hana, ka'ikemika, keka ao, ka nānāʻana i ka chrlode, a me nā kūlana hoʻomaʻemaʻe.

He lealea, hoʻomaʻemaʻe pono, a ʻoi aku ka maikaʻi o ka ʻili o ka passivated ma mua o ka ʻili a i ʻole ka lepo.

Hoʻokomo ʻia ka hao i ka wā o ka mīkini, kūhā, a i ʻole hiki i ka hana ke hoʻololi i ka pale ʻana o ka ʻili inā ʻaʻole wehe ʻia.

Kū'ē i ka Intergranular Corrosion

ʻO ka pono metallurgical nui o EN 1.4307 e pili ana iā EN 1.4301 kona haʻahaʻa kalapona, i kaupalena 'ia ma kahi o 0.03% kiʻekiʻe.

I ka wā wili a i ʻole ka ʻike ʻana i kekahi mau wela kiʻekiʻe, Hiki ke hui pū ke kalapona me ka chromium e hana i nā carbide chromium ma nā palena palaoa.

Hiki i kēia kaʻina hana ke hoʻohaʻahaʻa i ka ʻike o ka chromium a hana i nā wahi i maʻalahi i ka corrosion intergranular.

ʻO ke kalapona i hoʻemi ʻia o 1.4307 hoemi i keia pilikia. Ma ka hopena, kūpono loa ka mea:

• Nā moku kaomi wili.
• Nā pahu a me nā paipu.
• Mea hana hana i hana ʻia.
• ʻO nā hale kahi i kūpono ʻole ai ka hoʻopili ʻana i ka hopena post-weld.
• Nā ʻāpana i loaʻa nā wili he nui a i ʻole nā ​​geometries welded paʻakikī.

Pitting and crevice corrosion

ʻOiai ʻo EN 1.4307 ke kila kuhiliʻole maikaʻi ke kūpaʻa maʻamau, ʻaʻole i hoʻolālā ʻia no nā kaiapuni chloride koʻikoʻi.

Hiki ke hoʻopōʻino i nā ion Chloride i ka ʻāina a hoʻomaka Pihaʻana Oole Kāleʻa Crenice Corrosioni.

Piʻi ka pilikia me:

• ʻOi aku ka nui o ka chloride.
• Kiʻekiʻe wela.
• Kūlana kūpaʻa.
• Nā māwae a me nā waihona.
• ʻO nā ʻili ʻōpala a i ʻole i haumia.
• Waiwai maikaʻi ʻole.

NOEHUI, kila kohu ʻole 1.4307 ʻAʻole paha ʻo ia ka koho i makemake ʻia no ka ʻike pololei ʻana i ka wai kai, nā hāʻina paʻakai koʻikoʻi, a i ʻole ka media kaʻina hana chloride koʻikoʻi.

I kēia mau wahi, nā mākau molybdenum e like me I 1.4404 / 316L hāʻawi maʻamau ka hoʻomaikaʻi ʻana i ke kūʻē.

ʻO ke kūleʻaʻana o ke kalaʻana

E like me nā mea kila ʻole austenitic maʻamau, 1.4307 hiki ke kila kila i ka chloride stress corrosion pohā ma nā mahana ma luna o 60°C..

ʻAʻole hoʻomaikaʻi ka hoʻololi kalapona haʻahaʻa i ka pale SCC. No nā kaiapuni lawelawe chloride wela, ʻoi aku ka maikaʻi o ka hana duplex a i ʻole ferritic stainless steel.

6. Weldability o EN 1.4307 Kila kohu ʻole

I 1.4307 ua manaʻo nui ʻia e loaʻa maikaʻi loa, ʻo ia kekahi o nā kumu nui o kona hoʻohana nui ʻana i nā pahu, Piping, mea hana hana, hale kūkulu hale, a me nā ʻāpana kila kuhili ʻole.

ʻO kāna haʻahaʻa kalapona haʻahaʻa e hōʻemi i ka manaʻo i ka sensitization a hoʻomaikaʻi i ke kūʻē ʻana i ka intergranular corrosion i loko o ka ʻāpana wela ma hope o ke kuʻi ʻana..

Ma nā noi he nui, ʻae kēia i nā hui welded e hoʻohana ʻole me ka hoʻopili ʻana i ka hopena post-weld.

Nā Kaʻina Hana wiliwili kūpono

I 1.4307 hiki ke welded me ka hoʻohana ʻana i nā kaʻina hana fusion-weld maʻamau, me ka:

• wiliwili TIG/GTAW.
• MIG/GMAW wiliwili.
• ʻO ke kuʻi ʻana o ka plasma arc.
• Laser Welding.
• Pale aku i ka welding.
• ʻO ka hoʻoheheʻe orbital.
• ʻO ka hoʻoheheʻe ʻia ʻana o ke arc submerged no nā noi ʻāpana kaumaha kūpono.

ʻO ke koho o ke kaʻina hana ma muli o ka mānoanoa o nā mea, geometry hui, Ka Hoʻohuiʻana, koi nui, a me nā manaʻolana maikaʻi o ka ʻili.

Koho Lehua Hole

No nā hui welded, koho pinepine ʻia nā mea hoʻopihapiha e hāʻawi i ke kūpaʻa corrosion kūpono a me nā waiwai weld-metal.

Ma muli o nā kūlana kūpono a me nā kūlana lawelawe, i hoʻohana mau ʻia nā waeʻano hoʻopihapiha ER304L (AWS A5.9)-ʻano mea hoʻopau; 308L kupono no hoi, i hoʻolālā ʻia no ka hoʻopaʻa ʻana i nā kila kila 304L-type.

7. Nā Hana Hana maʻamau no 1.4307 Nā ʻāpana kila kila

I 1.4307 ʻAʻole wale ke kila kila no kona kūpaʻa ʻana a me ka weldability, akā, no kāna hana ākea versatility.

Sheet icetal fabrication

Sheet icetal fabrication ʻo ia kekahi o nā ala hana i hoʻohana nui ʻia no EN 1.4307.

Hāʻawi ʻia ka mea ma ka pepa, papaʻi, kāʻei, a i ʻole ke ʻano coil a hiki ke hana ʻia ma o ka ʻoki ʻana, hanau, puncing, Kauwili, a me ka hoʻokumu ʻana i nā hana no ka hana ʻana i nā ʻāpana mai nā brackets maʻalahi a hiki i nā pā hale nui a me nā lako hana.

No ka mea, EN 1.4307 hoʻohui maikaʻi ductility me ka hilinaʻi corrosion kū'ē, kūpono loa ia no nā ʻāpana e koi ana i nā piko paʻakikī, wiliwili ʻia, a i ʻole nā ​​ʻili maʻemaʻe.

Nā noi maʻamau

Loaʻa nā mea hana maʻamau i nā lako hana ʻai, nā keʻena kuhili ʻole, kiaʻi mīkini, nā pā uila uila, Nā pahu mālama, ducting, Nā palapala hana, nā mea kālepa kālepa, a me na mea paipu i hanaia.

Cnc iching

Cnc iching hoʻohana ʻia i ka wā EN 1.4307 pono nā ʻāpana i ka pololei kiʻekiʻe, puka pololei, KauwaiHua, nā papahele e ana ana, a i ʻole nā ​​geometries ʻekolu-dimensional paʻakikī.

ʻO nā hana maʻamau ka huli ʻana o CNC, MilightʻAʻole, hoʻomālamalama, hānai, paio, a me ke ku ana.

He kūpono loa ke kaʻina hana no nā ʻāpana maʻamau, Hopoi, hoʻohaʻahaʻa- i ka hana hana medium-voluum, a me nā ʻāpana e koi ana i ka hoʻomanawanui paʻakikī a paʻakikī paha ke hoʻokō ma o ka hana ʻana a i ʻole ka hoʻolei wale ʻana.

Nā noi maʻamau

I 1.4307 ʻO nā mea i hana ʻia e CNC me nā kino valve a me nā mea pono, Nā'āpana pā, Nā papahele, flanges, MatifalD, nā mea hou, nā mea hoʻopili pili, nā ʻāpana lāʻau lapaʻau a me nā mea hana hale hana, a me nā ʻāpana maʻamau no nā ʻōnaehana hana meaʻai a me nā kemika.

Kāhaka kūʻai kūʻai

Kāhaka kūʻai kūʻai, kaulana nō hoʻi e like me ka paleʻana-wax, kūpono no ka hana ʻana i ka EN 1.4307 nā ʻāpana kila kila me nā geometry paʻakikī e koi ana i ka mīkini nui inā hana ʻia mai ka pahu paʻa a i ʻole billet.

ʻO ke kaʻina hana ka hana ʻana i kahi ʻano wax, ke kūkulu ʻana i ka pūpū seramika a puni ke kumu, ka wehe ana i ka wax, a me ka ninini ʻana i ke kila kila i hoʻoheheʻe ʻia i loko o ka lua i loaʻa.

Ma hope o ka hoʻoponoponoʻana, Wehe ʻia ka pūpū keramika a hoʻomaʻemaʻe ʻia ka hoʻolei ʻana, Ke hoʻopauʻana, a, kahi e pono ai, Maki.

Nā noi maʻamau

EN maʻamau 1.4307 ʻO nā ʻāpana hoʻoili waiwai hoʻokomo pū me nā kino valve a me nā kino pauma, pipet complees, hanakai, nā brackets, Mary Ples, ʻāpana mīkini hana ʻai, nā mea hana hale, a me nā ʻāpana ʻenehana paʻakikī.

ʻO ka ulana a me nā lole

Welding he kaʻina hana kumu no 1.4307 kila kohu ʻole, ʻoiai ke hana ʻana i nā hui nui ʻaʻole hiki ke hana ʻia ma ke ʻano he ʻāpana hoʻokahi.

Hiki ke ʻoki ʻia a hana ʻia nā ʻāpana ma mua o ka hoʻohui ʻia ʻana ma o TIG, Iaʻu, laser, kū kū'ē, a i ʻole nā ​​hana hoʻoheheʻe kūpono ʻē aʻe.

ʻO kēia ala e hiki ai i nā mea hana ke hana i nā pahu, Nā Frame, Piʻi nā'ōnaehana, hale lako, a me nā hui kuʻuna maʻamau.

Nā noi maʻamau

Weled EN 1.4307 hoʻohana nui ʻia nā hale i nā pahu mālama, Nā Kālepa i nā moku, Poolali, meaʻai a mea inu, ʻōnaehana lāʻau lapaʻau, nā papa hana ʻoihana, hui hoopau, hale kūkulu hale, a me nā mīkini maʻamau.

Ke kaha kiʻi hohonu a me ke kaha ʻana

ʻO ke kaha kiʻi hohonu a me ka hoʻopaʻa ʻana he mau kaʻina hana kiʻekiʻe i hoʻohana mua ʻia no ka waena- i kiʻekiʻe-volo hana o ka thin-walled EN 1.4307 ʻāpana kila kila.

I ka hoailona, ʻoki ʻia a hana ʻia paha ka lau metala me ka hoʻohana ʻana i nā dies a me nā kaomi.

Hoʻonui ke kaha kiʻi hohonu i kēia kumumanaʻo ma o ka hoʻololi ʻana i kahi pāpaʻi paʻa i ke ʻano ʻokoʻa a i ʻole ʻekolu-dimensional ma o ka hoʻololi ʻana i ka plastic deformation..

He kūpono kēia mau kaʻina hana no ka hana ʻana i nā ʻāpana kūlike me nā manawa pōkole pōkole ke kūkulu ʻia ka mea hana.

Nā noi maʻamau

ʻO nā mea hoʻohana maʻamau e pili ana i nā sink, Nā lako kīhini, ʻO nā lāʻau kai, ʻāpana mea hana, hale kila kuhiliʻole, kiaha a me na ipu, nā'āpana automotive, ʻāpana lāʻau lapaʻau, a me nā pā ʻoihana pā lahilahi.

Cuter cuting

Cuter cuting he kaʻina ʻoki wela maʻalahi loa i hoʻohana ʻia no ka hana ʻana i nā kiʻi kikoʻī ʻelua-dimensional mai EN 1.4307 pepa a me ka papa.

Hoʻoheheʻe a hoʻoheheʻe paha kahi kukuna laser i hoʻopaʻa ʻia ma ke ala ʻoki i hoʻonohonoho ʻia, ʻoiai e hoʻoneʻe ke kinoea kōkua i nā mea hoʻoheheʻe ʻia mai ka ʻāpana ʻoki.

Hoʻohui pinepine ʻia ke kaʻina hana i loko o nā ʻōnaehana hana metala automated a hiki ke hana wikiwiki i nā kiʻi paʻakikī me ka ʻole o ka make punching..

Nā noi maʻamau

ʻoki ʻoki laser EN 1.4307 hoʻohana mau ʻia nā ʻāpana no nā panela mīkini, nā brackets, nā pā, flanges, nā papa kau ʻana, ʻOihana HoʻolālāʻAmelika, mea hana ʻai, kiai hana, nā keʻena hoʻomalu, a hoʻohui ʻia nā ʻāpana i nā hui nui aʻe.

8. Hoʻopau ʻili no EN 1.4307 Kila kohu ʻole

He ʻāpana koʻikoʻi ka hoʻopau ʻana i ka ʻili o EN 1.4307 hana ʻana i nā ʻāpana kila kuhiliʻole.

ʻAʻole pili i ka helehelena wale nō, aka hoi pū kekahi Ke kū'ē neiʻo Corrosionion, Maʻemaʻe, kuiahuli, ʻano ʻaʻahu, ka paakiki, a kūpono no nā hana maʻemaʻe.

ʻOiai naʻe 1.4307 hoʻomohala maoli ke kila kila i kahi kiʻiʻoniʻoni ʻokiʻoki waiwai nui i ka chromium, hana hana e like me ke oki ana, Welding, kūhā, Machimen, a hiki i ka hana ke hoʻololi i ke ʻano o ka ʻili.

No laila, hiki i ka ho'opau 'ana a me ka ho'oponopono 'ana ke kōkua i ka ho'iho'i 'ana a i 'ole ka ho'omaika'i 'ana i ka hana o ka mea i ho'opau 'ia.

Hoʻopau i ka ʻili maʻamau

9. Nā noi a EN 1.4307 Kila kohu ʻole

ʻO ka hui pū ʻana o ke kalapona haʻahaʻa, ʻO ke kū'ēʻana o ka corrossion maikaʻi, maikaʻi loa, maikaʻi no ka formability, a me nā hiʻohiʻona uʻi o ka ʻili e hana ai ʻo EN 1.4307 ke kila kuhiliʻole kūpono no ka laulā o nā ʻoihana ʻoihana.

Nā meaʻai a me nā mea inu

ʻO ka hana ʻai ʻana kekahi o nā wahi noi nui loa no 1.4307 kila kohu ʻole.

ʻO kona pale ʻana i ka corrosion a me ka maʻalahi o ka hoʻomaʻemaʻe ʻana e kūpono i nā mea hana e pili ana i ka wai, meaʻai, mea hoʻomaʻemaʻe, a me ka wai o ka lewa.

Aia nā ʻāpana maʻamau:

• Hoʻoponopono i nā pahu a me nā moku.
• Mīkini hana ʻai.
• Conveyors a me nā mea hana.
• Hoppers a me chutes.
• ʻO nā paipu a me nā mea pono.
• Mea hoʻohuihui.
• Nā pahu mālama.
• ʻO ka lumi kuke a me nā lako hana ʻai.

Hoʻolālā hale a me nā noi hale

1.4307 hoʻohana nui ʻia ke kila kuhiliʻole i nā palapala hoʻolālā kahi i hui pū ʻia ai ke kūpaʻa corrosion, helehelena, a koi ʻia ka maʻalahi o ka hana ʻana.

Loaʻa nā huahana maʻamau:

• Nā pane pane.
• ʻO ka pā o loko.
• Nā mea ʻeleʻele.
• Nā lima lima.
• ʻOli hoʻolālā.
• Nā ʻāpana puka a me ka puka makani.
• Nā mea paʻa kila kila.
• Nā mea hana hoʻonaninani.

Lako Kemika a me ka Mea Hana

1.4307 hiki ke hoʻohana ʻia ke kila kila i loko o nā kaiapuni hana kemika kahi i lawa ai ka hui pū ʻana o ke kūpaʻa corrosion a me ka weldability..

Hoʻokomoʻia nā hiʻohiʻona:

• Kaʻina pahu.
• Nā moku mālama.
• Paipu.
• Pum a me nā mea pono.
• Mea hoʻoili wela.
• Nā ʻano hana ʻoihana.
• Lako hana kemika.

Ka Hoʻolālā Wīwī

1.4307 hiki ke hoʻohana ʻia ke kila kila ma aitompetitive a me nā noi kaʻa e koi ana i ka pale ʻana i ka corrosion a me nā ʻano hana hana maikaʻi.

Hiki i nā noi ke komo:

• Nā mea e pili ana i ka pauku.
• Nā pale a me nā kākoʻo.
• Nā pale wela.
• ʻoki hoʻohiwahiwa.
• Nā ʻāpana i hana ʻia i ka hale.
• Nā mea hoʻohana wai.

Laʻau Lapaʻau a Lapaʻau

ʻO ka hui pū ʻana o ka corrosion resistance, Maʻemaʻe, a weldability hana 1.4307 kila kuhiliʻole kūpono no nā lāʻau lapaʻau i koho ʻia a me nā mea lapaʻau.

Hiki i nā noi ke komo:

• Hoʻoponopono i nā moku.
• Mea hana hale hana.
• Pūnaehana mālama wai.
• Na lako lako.
• Nā mea hana lāʻau lapaʻau.
• ʻO nā hui paipu hoʻomaʻemaʻe.

Pono, Aila, a me na lako hana

1.4307 hoʻohana ʻia ke kila kila i ka ʻaila i koho ʻia, aila, ikaika, a me nā noi ʻoihana maʻamau kahi e hāʻule ai nā kūlana kaiapuni i loko o kona hiki ke pale i ka corrosion.

Aia nā ʻāpana maʻamau:

• Pipet complees.
• Nā brackets.
• Nā hale lako.
• Nā Vilves a me na ano.
• Nā lako mālama.
• Nā Kūlana Kūlana.
• Lako paahana.

10. Loaʻa a me nā palena

I 1.4307 ʻoi aku ka maikaʻi o ka hoʻomaopopo ʻana i ke kila kila ma ke ʻano he kalapona haʻahaʻa, lālā pili i ka hana ʻana o ka ʻohana 18Cr–8Ni austenitic stainless steel.

Nā Pōmaikaʻi Nui o 1.4307 Kila kohu ʻole

Kūleʻa maikaʻi loa i ka corrosion intergranular i nā kūlana welded

ʻO ka maʻiʻo kalapona o EN 1.4307 i kaupalena 'ia i ≤0.030%, e hōʻemi nui ana i ka manaʻo o ka chromium carbide precipitation ma nā palena palaoa i ka wā wili..

Ma ka hopena, hana pono 1.4307 ʻO nā ʻāpana maʻamau he kūpaʻa maikaʻi i ka weld-related intergranular corrosion me ka ʻole e koi ana i ka hopena post-weld annealing i nā noi maʻamau..

ʻO kēia hiʻohiʻona e hoʻonanea loa i ka papa nā pahu wiliwili, Piping, mea hana ʻai, hale kūkulu hale, a me nā mīkini i hana ʻia.

ʻO ka ductility maikaʻi a me ka hiki ke hana anu

Hāʻawi ka microstructure austenitic i ka ductility kiʻekiʻe a hiki 1.4307 e loaʻa i ka nui o ka plastic deformation me ka haki ʻole.

No laila, kūpono loa ia hanau, huki kaha, noho ', Kauwili, a me nā hana ʻē aʻe o ke anuanu.

ʻO kēia hui pū ʻana o ka ductility a me ke kūpaʻa corrosion e hoʻohana pono ia no nā ʻāpana pā lahilahi a me nā huahana metala paʻakikī geometrically..

ʻO ka paʻakikī haʻahaʻa haʻahaʻa maikaʻi

E like me kahi kila kila Austetitic, I 1.4307 ʻAʻole ia e hōʻike i ke ʻano hoʻololi ductile-to-brittle o ka ferritic a me nā kila kalapona he nui..

Hiki i nā mea ʻano austenitic 304L-type i hana pono ke mālama i ka paʻakikī pono i nā mahana cryogenic, me nā noi e hoʻonui ana i kahi kokoke −196°C (77 K) ke puka mai ka huahana pili, Kauoha, kū-starder, a ua māʻona nā koi hoʻolālā.

Hana kēia 1.4307 he moho i waeia nā moku wela haʻahaʻa, Nā lako hanaʻo Laboratory, nā mea kōkua cryogenic, a me nā ʻōnaehana mālama wai.

Pono e hoʻokumu mau ʻia ka hōʻailona cryogenic maoli i nā kikoʻī kikoʻī kūpono a me nā koi hoʻāʻo.

Ke kū'ē i ka corrosion no ke kumu nui

I 1.4307 hāʻawi i ka hana corrosion i like ākea me ka maʻamau 1.4301/304 kila kila ma ka lewa he nui, hana ʻai, a me nā kaiapuni maʻalahi.

Kona kokoke 18% Chromium Kākoʻo ka ʻike i ke kūkulu ʻana i kahi kiʻiʻoniʻoni passive pale, ʻoiai ʻo ka nickel e hoʻokūpaʻa i ke ʻano austenitic a kōkua i kāna ductility a me ka hana corrosion.

NOEHUI, 1.4307 hāʻawi i kahi kaulike kūpono ma waena Ke kū'ē neiʻo Corrosionion, hana ailihua, a me ke kumu kuai waiwai no nā mea hoʻohana kila kuhili ʻole.

ʻO nā hiʻohiʻona maʻemaʻe maikaʻi loa

Ke pau pono, I 1.4307 hāʻawi i kahi maʻalahi, ʻili metala ʻole porous hiki ke hoʻomaʻemaʻe a mālama ʻia.

Ka poni mīkini, hoʻolauna, a hiki i ka electropolishing ke hoʻomaikaʻi hou i ka maʻemaʻe o ka ʻili a hoʻemi i nā wahi kahi e hōʻiliʻili ai nā mea haumia a i ʻole kaʻina hana.

Hoʻohana nui kēia i ka māka hana ʻai, hana hānai, Ka Makani, hale hoʻokolohua, a me nā lako hoʻomaʻemaʻe, hāʻawi ʻia ka hoʻopau ʻana o ka ʻili i koho ʻia a me nā hana hana i kūpono i nā koi o ka ʻoihana pili.

Pākuʻi hana ākea

I 1.4307 hiki ke hana ʻia ke kila kila me ka hoʻohana ʻana i nā ʻenehana hana ʻenehana maʻamau.

He mea waiwai nui kēia hana hana no nā ʻāpana kila kila maʻamau no ka mea hiki ke hoʻohana ʻia nā mea like ma nā prototypes, nā hui i hana ʻia, nā ʻāpana hana pololei, a me nā hoʻolei paʻakikī.

Nā palena kuʻuna o 1.4307 Kila kohu ʻole

Kūleʻa haʻahaʻa i ka lua a me ka ʻawaʻawa

ʻOiai naʻe 1.4307 hana maikaʻi i nā kaiapuni maʻamau, ʻaʻole i loaʻa ka molybdenum hoʻohui ʻano o 316L/1.4404 kila kila..

NOEHUI, kona ku e ana i chrlode-induded pitting and crevice corrosionion ʻoi aku ka palena o ka molybdenum-alloyed austenitic stainless steels.

ʻIke lōʻihi i ka wai kai, nā hāʻina chloride concentrated, nā wahi paʻi kai, a i ʻole nā ​​kaiapuni paʻakai koʻikoʻi e pono ai 1.4404/316L, ʻO ka kila kila fuplex, a i ʻole kahi mea huila kiʻekiʻe.

Hoʻomau ka noʻonoʻo ʻana i ka hana ʻino ʻana i ke koʻikoʻi o Chloride

E like me nā kila kuhili austenitic ʻē aʻe, I 1.4307 hiki ke maʻalahi i ka chloride-induced stress corrosion māwae ma lalo o nā kūlana hui o ʻO ke kaumaha kaumaha, ka hoʻohaumia ʻana o ka chloride, a me ka wela kiʻekiʻe. Piʻi ka pilikia i ka piʻi ʻana o ka mahana a me ka paʻakikī o ka chloride.

ʻAʻohe paepae wela ākea e pili ana i kēlā me kēia kūlana lawelawe; No laila, waiwai a puni 60° C pono e noʻonoʻo ʻia ma ke ʻano he ʻano ʻōlelo aʻoaʻo ʻenekinia ma mua o ka palena palekana / palekana ʻole.

ʻAʻole kahi papa i makemake ʻia no nā hale wela kiʻekiʻe i hoʻouka ʻia

1.4307 ʻO ke kila kuhiliʻole he papa kūpaʻa kūʻokoʻa kumu nui ma mua o ka mea hoʻoheheʻe kūʻokoʻa.

I nā mahana kiʻekiʻe, ʻO kāna hana mechanical lōʻihi a me ke kūpaʻa kolo hiki ke lilo i mea palena.

No nā ʻāpana i hoʻopaʻa ʻia i ka hoʻouka ʻana i ka mechanical i ka wela kiʻekiʻe, Hiki ke hāʻawi i nā mea hoʻonā kūpono kūpono i nā kila kuhili ʻole i hoʻolaʻa ʻia i ka wela.

ʻO ka machinability maʻalahi a me ka paʻakikī hana nui

Hoʻohālikelike ʻia me nā kila hana manuahi, kila kohu ʻole 1.4307 hiki ke koi aku i ka mīkini. ʻO kona ʻano austenitic ke ʻano hana paakiki, ʻoiai ʻo kona haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa hiki ke hoʻopaʻa i ka wela kokoke i ka ʻoki ʻoki.

No laila, pono ka mīkini hana pono i ka hoʻopili paʻa, mea hana carbide kūpono, nā palena ʻoki hoʻomalu, ka mea hoʻoheheʻe kūpono, a me ka hoʻokuʻu chip maikaʻi.

Hiki i nā kūlana machining maika'i ke ho'onui i ka ho'ohana 'ana i ka mea hana a ho'oha'aha'a i ka pau 'ana.

ʻOi aku ke kumu kūʻai waiwai ma mua o ke kila kalapona a me kekahi mau māka kuhili ʻē aʻe

ʻO ka hele ʻana o ka chromium a me ka nickel e ʻoi aku ka maikaʻi o ka 304L stainless steel ma mua o ke kila kalapona maʻamau.. Hiki ke ʻokoʻa ke kumukūʻai me nā kūlana mākeke nickel a me ke ʻano huahana.

Akā naʻe,, ʻO ka hoʻohālikelike ʻana i ke kumukūʻai waiwai wale nō hiki ke alakaʻi hewa.

ʻOi aku ka lōʻihi o ke ola, hoʻemi i ka mālama ʻana i ka corrosion, wawahua, Maʻemaʻe, a hiki ke hana i ka alapine hoʻololi haʻahaʻa 1.4307 ʻoi aku ka maikaʻi ma luna o ke kaʻina ola holoʻokoʻa o kahi ʻāpana.

11. Hoʻohālikelike hoʻohālikelike: I 1.4307 vsa. I 1.4301 vsa. I 1.4404 Kila kohu ʻole

I 1.4307, I 1.4301, a me en 1.4404 he mau kila kuhiliʻole austenitic, akā ua hoʻolālā ʻia lākou no nā kūlana lawelawe ʻokoʻa.

*ʻOkoʻa nā koi mechanical-waiwai me ke ʻano huahana, Kohano, kūlana hāʻawi, a me ke kūlana hoʻomalu.

No laila, pono e hōʻoia ʻia nā waiwai kūʻē i ka kikoʻī huahana EN kūpono ma mua o ka mālama ʻia ʻana ma ke ʻano he mau mea mau.

12. ʻO nā ʻāpana kila kila maʻamau mai DEZE

Deze hoʻokumu Hāʻawiʻia hoʻoheheʻe kila kuhiliʻole maʻamau a me nā ʻōlelo hoʻoheheʻe mīkini pololei no nā ʻāpana i hana ʻia mai EN 1.4307 (304L) a me nā māka ʻē aʻe austenitic a me ka wela.

Koho ʻia ke ʻano hana hana e like me ka ʻāpana geometry, koi nui, Ka Hoʻohuiʻana, mea kiko'ī, a me nā kūlana lawelawe.

No nā mea kila kuhiliʻole paʻakikī, Kāhaka kūʻai kūʻai hiki ke hana hou i nā contours paʻakikī, Nā Paukū Kuhi, Nā hiʻohiʻona o loko, a hoʻohui pū ʻia nā hale kau ʻana i ka wā e hōʻemi ana i ka nui o ka machining ma hope.

Ma kahi e pili ai nā koi ʻoi aku ka paʻa, Hiki i nā mea hoʻolei ke hoʻololi i ka CNC, MilightʻAʻole, hoʻomālamalama, kūhā, a me nā hana lua ʻē aʻe.

13. Hopena

I 1.4307 ʻoi aku ka ʻoi aku o ke kila kila ma mua o ka "haʻahaʻa-carbon version o 304".

He papa kila austenitic i hana ʻia e hoʻoponopono i kekahi o nā pilikia hoʻomau mau loa o ka maʻamau. 18/10 kila kohu ʻole: intergranular corrosion ma nā wahi i hoʻopili ʻia i ka wela.

Ma ka palena ʻana i ke kalapona i 0.03% kiʻekiʻe, paʻa ka papa i nā waiwai mechanical a me ka hana corrosion maʻamau e like me 1.4301, ʻoiai e hoʻohui ana i ka pōmaikaʻi koʻikoʻi o ka pono o ka corrosion piha i ke kūlana as-welded.

No nā mea hana meaʻai, Nā Mokuahi, nā hale kūkulu hale a me nā ʻōnaehana wai - nā noi āpau kahi i hana ʻia ai ka mea maʻamau a ʻaʻole hiki ke hoʻopili ʻia ma hope o ka weld - 1.4307 ʻo ia ke koho ʻenehana kūpono a me ke kumu kūʻai maikaʻi loa.

Loaʻa iā ia kahi niche koʻikoʻi ma waena o ke kumu nui 1.4301 a kiʻekiʻe-alloy 1.4404, hāʻawi hilinaʻi, ka hoʻokō ʻana i ka corrosion maikaʻi no ka hapa nui o nā kaiapuni ʻoihana haʻahaʻa haʻahaʻa.

 

FaqS

Oe 1.4307 kila kuhiliʻole magnetic?

I ke kūlana Anneed, I 1.4307 ke kila kuhiliʻole maʻamau ʻaʻole magnetic a i ʻole nāwaliwali loa.

Akā naʻe,, Hiki i ke anu anuanu ke hoʻoulu i kekahi hoʻololi martensitic, ka hopena i ka pane magnetic hiki ke ana.

Oe 1.4307 like me 316L kila kila?

ʻAʻole. 1.4307 he kila kuhiliʻole 304L, heaha 1.4404 ʻO ia ka inoa ʻEulopa e pili mau ana me 316L.

ʻO ka ʻokoʻa nui ʻo ia 1.4404 aia ka molybdenum, ʻoi aku ka maikaʻi o ke kūʻē ʻana i ka lua i hoʻokomo ʻia i ka chloride a me ka ʻinoʻino.

He aha ka wela hana kiʻekiʻe no 1.4307?

A hiki i 800 ° C no ka lawelawe mau a me 850 ° C no ka lawelawe manawaleʻa. Ma luna o 850°C, piʻi nui ka scaling oxidation.

ʻO EN 1.4307 like me 304L kila kuhiliʻole?

ʻAe. I 1.4307 pili me X2CrNi18-9 a pili maʻamau me AISI 304L / Loaʻa iā mākou S30403.

Pono naʻe e hōʻoia ʻia ka kūlike kūpono e kūʻē i ke kūlana huahana kūpono no ka mea hiki ke ʻokoʻa nā koi kemika a me nā mīkini ma waena o nā kikoʻī..

He aha kaʻokoʻa ma waena 1.4307 a 1.4301 kila kohu ʻole?

ʻO ka ʻokoʻa nui ka maʻi kalapona. 1.4307 loaʻa i ka nui kalapona ma kahi o 0.030%, heaha 1.4301 ʻae a hiki i kahi kokoke 0.070%.

ʻO ka maʻiʻo kalapona haʻahaʻa o 1.4307 hoʻomaikaʻi ke kila kila i ke kūʻē ʻana i ka sensitization pili i ka weld a kūpono loa ia no ka hana welded.