1. Hōʻikeʻike
Ua heluʻia nā mea hoʻokūkū kū'ē i nāʻohanaʻelima mauʻohana-ferritic, Austetetitic, Martesestic, Hoʻopau-paʻakikī, a me duplex.
Mawaena o lakou, ʻO nā mea kanu pīpī fuplex hoʻohui i nā hiʻohiʻona maikaʻi loa o Ferritic a me Austetitic State, hāʻawi aku i ka ikaika kiʻekiʻe kiʻekiʻe a me ke kū'ē kū'ē.
AISI 2304, Uaʻikeʻia e like me I 1.4362, no ka Lean Duplex KākauohaHuna. Hāʻawi kēia papa haʻahaʻa haʻahaʻa haʻahaʻa i kahi hoʻolālā kūpono (~ 50% ferrite, ~ 50% austente) ʻOiai e hōʻemi ana i ka hoʻohanaʻana i nā mea nui e like me ka nickel a me ka molybdenum.
He kūpono maikaʻi loa ia no nā noi e noi ana i ka ikaika a me ka paleʻana o ka paleʻana me kaʻole o ke kumukūʻai kiʻekiʻe o ka uku kālā.
2. He aha asii 2304 (I 1.4362) ʻO ka kila kila fuplex?
AISI 2304, Uaʻikeʻia e like me I 1.4362 Oole Us s32304, he Lean Duplex kila kohu ʻole hōʻikeʻia e a ʻO ka microstructure dual-phise-ʻOiʻi 50% ferrite (Bcc) and 50% Austente (Fcc).
ʻO kēia kaulike Duplex i hāʻawiʻia a ka hui pūʻana o ka ikaika o ka mīkini, Ke kū'ē neiʻo Corrosionion, a me ka uku uku, e hana ana i nā mea nui i nā noi o nāʻenehana.
'Ōlelo ʻO Ferritic phase hoʻolako i ka ikaika e hāʻawi ai i ka ikaika, pale aku i ka chloride-insuded style rorosion (SCC), a me ka hoʻonuiʻana i ka ho'ēmiʻana.
'Ōlelo austetitic phase Hāʻawiʻia i ka desctility, paʻakikī, a ke kū'ēʻana i ke kū'ēʻana, nui loa ma nā wahi maʻi maʻi.
Nā hoʻolālā maʻamau no AISI 2304 ʻO ka kila kila fuplex
| Hoʻonohonoho hoʻonohonoho | Mākaʻikaʻi kahua noho | ʻO ka weheweheʻana |
| AISI / Hosm | AISI 2304 / Astm A240 s32304 | HoʻolālāʻAmelika no nā huahana Dulelext Fuclext a me nā huahana papa |
| Kā mākou | Ar mail2304 | 'Ōnaehana helu helu (ʻO ka hui aʻAmelikaʻAmelikaʻAmelika Hema) |
| I / ISO | 1.4362 / X2crnin23-4 | Easy Standeal (I 10088); Iso International Naming |
| Mai | X2crnin23-4 | Hoʻolālā Kelemona (ʻO kāu hoʻokahi 10088-1) |
| ISO | X02cr23ni4cun | Ka hoʻolālāʻana o keʻano o keʻano o keʻano o kēlā me kēia 15510 |
3. Chempion cempition o 2304 ʻO ka kila kila fuplex
AISI 2304 (I 1.4362) ua heluʻia e like me Lean Duplex Insioless Steel-ʻO ka hāʻawiʻana i kahi kaulike o ka ikaika, Ke kū'ē neiʻo Corrosionion, a me ka hana kūpono e ka hoʻemiʻana i ka hoʻohanaʻana i nā mea nui o nā mea e like me nickel a me molybdenum.
ʻO keʻano Duplex (ahu 50% ferrite a 50% Austente) ua hoʻopaʻaʻia ma o ka mana kūpono o kāna hana koko, chromium, nickel, a me nitrogen.
ʻO keʻano maʻamau (% Ma ke kaumaha):
| Mua | Kaonaʻeha (%) | Hana |
| Chromium (Cr) | 21.5 - 24.5 | Hoʻomaikaʻi hou i ka paleʻana o ka corrosion a me ka paleʻana; ke kī i ka paʻa duplex |
| Nickel (I) | 3.0 - 5.5 | E hoʻolaha i ka pham austente; hoʻonui i ka paʻakikī a me ka wellingtability |
| Mybrideum (Mo) | ≤ 0.6 | Koho koho; hoʻonui i ka paleʻana i ka corrosioting corrosion i loko o ka chrlode media |
| Nitrogen (N) | 0.05 - 0.20 | Hoʻonui i ka ikaika; Kōkua i ka hoʻopaʻaʻana i ka hana austentite austente |
| Mang kāne (Mn) | ≤ 2.5 | ʻO kahi deoxidation a me nā hana hana wela |
| Silikino (A) | ≤ 1.0 | E hoʻonui i ka paleʻana; deoxididhier |
| KālekaʻAʻI (C) | ≤ 0.030 | Hoʻomoeʻo Carbon haʻahaʻa i ka weldopility a pale aku i ka corrosior intergranur |
| Phoshorus (P) | ≤ 0.040 | Nā Kūlana Kūʻai; Mālama i ka haʻahaʻa e pale ai i ka embrittlement |
| Sulfur (S) | ≤ 0.015 | NA MEA KA MAU KAHI; Minor to E hoʻomaikaʻi i ka ductility a me ke kū'ēʻana |
| 'Eron (Lia) | Kaulike | Nā Pākuʻi Base Metal; hana i ka matrix o nā ferriteʻelua a me Austentite |
4. Nā mechanical a me nā mea kino o 2304 ʻO ka kila kila fuplex
AISI 2304 (I 1.4362) Hāʻawiʻo Duplex Guilless Steel i kahi hui maikaʻi loa o ka ikaika, Ke kū'ē neiʻo Corrosionion, a me nā haʻahaʻa haʻahaʻa, Ke kūpono nei ia no nā noi a me nā noi a nā hana e pili ana i kahi e pono ai ke kumukūʻai a me ka hana.
ʻO nā waiwai maʻamau
| Waiwai | Waiwai (MAKAINA WAU) | Nā memo |
| Ka ikaika (RP0.2) | 450-550 mpa | ~ 2x kiʻekiʻe aʻe 304/316; Kākoʻo kākoʻo i nā'āpana pā |
| Ikaika ikaika (Rm) | 650-800 mPA | ʻO nā hana hoʻoikaika ikaika ma lalo o ke kaumaha |
| Ewangantion (A5) | ≥ 25% | Maikaʻi maikaʻi no ka hoʻokumuʻana a me ka welding |
| Hālulu (Hbw) | ≤ 230 Mau Kanaka Waiwai | Paʻakikī paʻakikī; hoʻohālikelikeʻia i nā mea paʻa 304 |
| Hopena paʻakikī | > 100 J (I ka lumi) | Ka hopena maikaʻi maikaʻi; hoʻemiʻia ma nā wela o sub-zero |
| Ka ikaika momona | ~ 300 mPA (manaʻoʻia) | ʻO nāʻano likeʻole me ka hoʻopauʻana a me keʻano o keʻano |
Nā Pūnaewele Pūnaewele
| Waiwai | Waiwai maʻamau | Nā memo |
| Huakai | ~ 780 G / cM³ | Iki iki ma mua o ka austetetitic incinless ma muli o ka ferrite |
| Modulus olasticity (E) | ~ 200 GPA | E like me nā mea kila maikaʻi loa |
| Ka HōʻaʻO Kokua (100° C) | Paulina W / m · K | ʻOi aku ma mua o nā helu austetitic; ʻoi aku ka maikaʻi o ka wela |
| Ka maikaʻi o ka hoʻonuiʻana i ka | ~ 14.0 × 10⁻⁶ / K (20-100 ° C) | Haʻahaʻa loa 304/316; ho'ēmi i ka'ōpū o ka thermal |
| ʻO keʻano o ka uila | ~ 0.80 μω · m | Haʻahaʻa haʻahaʻa ma mua o nā mea kanu austetetic |
| Hana magnetic | 'Āpana magnetic | Ma muli o nāʻike ferrite; hiki ke hoʻohālikelikeʻia ma lalo o ke kaumaha |
5. Ke kū'ē neiʻo Corrosionion
AISI 2304 hāʻawi Ke kū'ē nei i ka paleʻana o ka'āina, nui loa ma nā wahi me nā mlorides hoʻololi.
- Wood (ʻO ka heluʻana i keʻano kūlike): ~ 24-26
(Hoʻohālikelike iā AISI 316, ʻo ia ka mea maʻamau i kahi pren o 23-25) - Pale i ka chlodide-induded scc: Maikaʻi loa i 304/316, Mahalo i ka brase ferrite.
- Crevice a me ka pickting corrosioni: Hana maikaʻi ma nā wahi acidly acidin a me nā wahi brackish.
- ʻAʻole i'ōleloʻia No nā mea hoʻonaninani nui a iʻole ka lawelaweʻana i ka lawelaweʻana (Nā Pūnaewele H₂S).
6. Loaʻa a me nā palena o AISI 2304 ʻO ka kila kila fuplex
Loaʻa
- ʻO ka ikaika kiʻekiʻe
Aneaneʻeluaʻelua i ka ikaika o ka 304/316 ʻO nā mea kanu lāʻau austetitic (≈450 MPA vs. ≈е20 MPA), aeʻae ana i nā'āpana o nā'āpana a me nā mea māmā. - ʻO ke kū'ēʻana o ka corrossion maikaʻi
ʻO ka heluʻana i keʻano kūlike (Wood) a puni 24-26, kūpono no kaʻoluʻolu e like me nā'āpana chlordide e like me ke kaʻina wai a me nā wahi splash. - Kumukūʻai-maikaʻi
Mickel haʻahaʻa (~ 3.5%) ʻo Mybdelum (~ 0.3%) hoʻemiʻia nāʻike i nā kumukūʻai kumukūʻai kālā a me ke kumukūʻai ola ola. - Maikaʻi loa
Mālama nā kaʻina hana hana kūpono e mālama i ka kaulike o ka bhase a pale i ka corrosior intergranur; ʻoi aku ka maʻalahi o ka weld ma mua o nā kinikini kiʻekiʻe. - ʻO ka hoʻonui haʻahaʻa haʻahaʻa
ʻO ka hoʻohanaʻana i ka loiloi haʻahaʻa o ka hoʻonuiʻiaʻana o ka hoʻonuiʻana i nā mea kanu austetitic, e hōʻemi ana i nā hemahema thermal i nā noi hana. - ʻO ke kaumaha koʻikoʻi o ke kalaʻana (SCC) Kū kū'ē
Hāʻawiʻo Duplex Microstructure i nā paleʻoi aku ka maikaʻi o ka scc i nā wahi chlordide ma mua o 304/316 Nā Kaumaka. - Loaʻa ko kaiaulu
Hoʻemiʻia ka hoʻohanaʻana i nā mea nui e like me Nickel a me Molybdenum a hoʻomaikaʻi i ke kūpaʻa a hāʻawi i keʻano chun.
PAHUI
- ʻO ka palena kūpono no ka chorride kiʻekiʻe a iʻole nā mea waiwai
ʻAʻole i'ōleloʻia no ka poʻe malihini, Inota me ia, a iʻole H2S-no ka lawelaweʻana i kaʻoihana; ʻO nā helu Dulex kiʻekiʻe (2205, 2507) makemakeʻia. - Haʻahaʻa haʻahaʻa haʻahaʻa i nā wela cryogenic
Hiki i ka Phase Fanritic Phase e hōʻemi i ka paʻakikī ma lalo -40. - ʻO ka noʻonoʻoʻana
ʻO ka nui o nā wela wela a iʻole nā hana hana maikaʻiʻole e hana i nā hana britty basmelliic, ka hoʻohuliʻana i ke kū'ēʻana. - ʻO ka hanaʻole ma mua o nā helu Austetitic
Pono i nā mea kiʻekiʻe kiʻekiʻe i ka wā o ka wā e hana ai a me nā mea e loaʻa hou ai nā hua'ōlelo. - ʻAʻole hiki ke paʻakikī i ka mālama wela
Ke hilinaʻi nei nā mea mechanical i ka chemistry a me ka hoʻoiliʻana; ʻAʻole hiki i ka paʻakikī paʻakikī. - ʻO ka loaʻaʻana o ka loaʻaʻana o nā nui nui
Hoʻohālikelikeʻia i nā helu maʻamau e like me 304 Oole 316, 2304 ua liʻiliʻi loa i loaʻa i nā papa nui, pipes, a iʻole nā pā.
7. Nā noi a Aisi 2304 ʻO ka kila kila fuplex
AISI 2304 Hoʻohanaʻiaʻo Duplex Guilless Steel i nāʻano likeʻole e koi ana i nā noi hana a me nā noi hana, Mahalo i kāna kaulike maikaʻi loa o ka ikaika, Ke kū'ē neiʻo Corrosionion, a me ka nui.
- Nā alahaka: Nā mea hoʻohālikelike e koi ana i ka ikaika kiʻekiʻe a me ke kuʻekuʻeʻana i keʻano o kaʻike.
- Nā pahu mālama: Nā moku no ka mālamaʻana i nā wai, me nā mea kūpono, kahi e koʻikoʻi ai ka wikiwiki a me ka lōʻihi.
- Nā lako wai: Ua hōʻikeʻia nā māhele i ka wai i hoʻomehana i ka wai a me nāʻano kūlohelohe.
- Nā mea hana wela: Nā mea hana e hoʻomaʻamaʻa ai i ka hoʻololi ponoʻana i ka mea kūʻai, Ke hana kino wai, a me nā kaʻina hanaʻoihana.
- Nā ipu koʻikoʻi: Hoʻolālāʻia nā Coacainers e hoʻopaʻa i nā kino a iʻole nā mea inu i ke koʻikoʻi kiʻekiʻe me ka hoʻoikaika kūpono.
- Nā Pahu wai wai: Ua hoʻohanaʻia nā pipes i nā'ōnaehana wai wai e noi ana i ke kū'ēʻana i keʻano o ka corostion a me ke ola lōʻihi.
- ʻO nā'ōnaehana hoʻomaʻemaʻe hoʻomaʻemaʻe: Nā hui ma nā'ōnaehana hoʻokele emison e pale aku ai i nā mea acidic a me nā slus o nā slice.
- ʻO nā'ōnaehana kai: Nā pipes a me nā mea hana i hōʻikeʻia i ke kai, ʻO ka mālamaʻana mai ka chorisce chorded.
- Nā mea kanu lāʻau: ʻO nā mea hana a me ke kīwī i hoʻohanaʻia ma ka hoʻololiʻana i ke kai i ka wai hou ma lalo o nā kūlana maikaʻi.
- Nā mea hoʻolālā hoʻolālā hoʻolālā: ʻO nā'āpana hana a me nā'āpanaʻenehana e koi ai i ka ikaika mechanical a me ke kū'ēʻana.
- Nā loʻi, Hanakai, a me na kaa: Ke hoʻololi nei i nā'āpana i nā pimps a me nā turbines e pono ana i ka paleʻana i ka pale a me ka hana mechanical.
- ʻO ke ahi a me nā pā pōhaku ma luna o nā papa'āina: ʻO nā hale palekana palekana i nā wahi kai moana ma kahi o nā wahi ahi e pale ai ke ahi a me ka lōʻihi.
- Hoʻopaʻaʻo Cargo a me nā'ōnaehana piping ma nā mea hoʻokele lāʻau: Corrosionion-resistant a lawe aku i nā mea e pono ai nā mea kanu.
- ʻO ka lawelaweʻana i ka lawelaweʻana a me ke kīwaha: Nā Kūlana Kūlana Kūlana no nā kūlana lawelawe lawelawe pilikino i nāʻoihana lawelawe ma waena o nāʻoihana he nui.
8. Hoʻohālikelike me nā alloys like
| Alloy | Nā'Ilei Hoʻolālā | Ikaika | Ke kū'ē neiʻo Corrosionion | Uku kūpono | Nā noi maʻamau | Nā memo |
| AISI 2304 | ~ 23% CR, 4.5% I, 0.7% Mo, N | Yever ~ 450 mpa, Tensile ~ 650 mpa | Maikaʻi ma nā wahi uila (Woody ~ 24-26) | Haʻahaʻa haʻahaʻa haʻahaʻa ma mua o nā helu duplex kiʻekiʻe | Ke hana kino wai, Ke kālepaʻana, Nā Kūlana Kūlana | Lean Duplex me nā waiwai kaulike |
| AISI 304/316 | 304: 18-20% Cr, 8-10.5% I; 316: Hoʻohui 2-3% Mo | KA WAI ~ 215 MPA (304), ~ 290 mpa (316) | Loli (316 ʻoi aku ka maikaʻi ma chrlodes) | Uku haʻahaʻa haʻahaʻa akā haʻahaʻa haʻahaʻa | Meaʻai, hana hānai, Kū kū'ē ka lehulehu | Austetetitic; ka ikaika, ʻoi aku ka nui |
| AISI 2205 | ~ 22% cr, 5-6.5% I, 3% Mo, N | Yever ~ 520 mpa, tensile ~ 750 mpa | High (Tree ~ 33) | ʻOi aku ke kumukūʻai kiʻekiʻe 2304 | Ka mea e hoʻopili ai, Marine, a me aila aila & aila | ʻO Duplex maʻamau me ka pale kū'ē o ka corrosion |
| Super Duplex (2507) | ~ 25-26% CR, 7% I, 4% Mo, N | Yever ~ 620 MPA, tensile ~ 850 mpa | Kiʻekiʻe loa (Wood >40) | Uku uku | ʻO nā'ōmole chloride a me nā mea waiwai | Maikaʻi loa a me ka ikaika, ʻoi aku ka nui |
| ʻO ka hao hao + Nā pāpale | Nui loa, Lele Lhai | Yield ~ 250-400 MPA | Hilinaʻi i ka hanaʻana | Uku haʻahaʻa haʻahaʻa | ʻO ka laulā ākea kahi i mālamaʻia ai ka corrosiot | Ka liʻiliʻi o ka corrosione, hana ikaika |
9. Hopena
AISI 2304 ʻO ka kila kila fuplex he versetile, Lean Duplex Alloy e hoʻoikaika i ka ikaika, Ke kū'ē neiʻo Corrosionion, a me ke kumukuai.
Kūpono no nā noi e pili ana i ka hōʻikeʻana i kaʻikeʻana i ka chlordide iʻike a koi i nā waiwai mechanically,
ke koho nui nei ia e like me ʻO ke koho kūpono 304, 316, a 2205, nui loa ma ke kūkuluʻana, Ke hana kino wai, a me nā'āpana hoʻoili uila.
