He mau mea nui nā paipu ʻoihana kila kila ma nā ʻoihana he nui ma muli o ko lākou ikaika mechanical maikaʻi loa, ke kūpaʻa i ka pala, a me ke ahonui i ka mahana kiʻekiʻe. Ma muli o ke kaiapuni hana a me nā kikoʻī loea, ʻo nā papa i hoʻohana pinepine ʻia e komo pū me 304, 316, 321, 347, 904L, a me nā kila kila duplex e like me2205a me2507Ke noiʻi nei kēia ʻatikala i ka hana, nā mana kaomi, a me nā kahua hoʻohana o nā paipu kila kila e alakaʻi i ke koho pono ʻana i nā mea.
1. Nā Papa Kila Kila Maʻamau a me ko lākou mau ʻano
•Paipu ʻoihana kila kila 304LMa ke ʻano he kila 304 haʻahaʻa-kalapona, ma ke ʻano laulā, ua like kona kūpaʻa i ka pala me ko 304, akā ma hope o ka hoʻopili ʻana a i ʻole ka hoʻomaha ʻana i ke kaumaha, maikaʻi loa kona kūpaʻa ʻana i ka pala intergranular, a hiki iā ia ke mālama i ke kūpaʻa maikaʻi i ka pala me ka ʻole o ka mālama wela.
• Paipu ʻoihana kila kila 304: Loaʻa iā ia ke kūpaʻa maikaʻi i ka pala, ke kūpaʻa wela, ka ikaika haʻahaʻa a me nā waiwai mechanical, nā waiwai hana wela maikaʻi e like me ke kuʻi ʻana a me ke kūlou ʻana, a ʻaʻohe hanana paʻakikī mālama wela. Nā hoʻohana: nā kīʻaha, nā keʻena, nā paila, nā ʻāpana kaʻa, nā lako lapaʻau, nā mea kūkulu hale, ka ʻoihana meaʻai (hoʻohana i ka mahana -196°C-700°C)
ʻO nā hiʻohiʻona nui o ka paipu ʻoihana kila kila 310: ke kūpaʻa wela kiʻekiʻe, hoʻohana nui ʻia i nā paila, nā paipu hoʻopau kaʻa. ʻO nā waiwai ʻē aʻe he laulā.
•Paipu ʻoihana kila kila 303: Ma ka hoʻohui ʻana i kahi liʻiliʻi o ka sulfur a me ka phosphorus, ʻoi aku ka maʻalahi o ka ʻoki ʻana ma mua o 304, a ua like nā waiwai ʻē aʻe me 304.
• Paipu ʻoihana kila kila 302: Hoʻohana nui ʻia nā kaola kila kila 302 i nā ʻāpana kaʻa, mokulele, nā mea hana lako aerospace, a me ka ʻoihana kemika. ʻO nā mea kikoʻī penei: nā hana lima, nā bearings, nā pua paheʻe, nā mea lapaʻau, nā mīkini uila, a pēlā aku. Nā hiʻohiʻona: No ke kila austenitic ka pōpō kila kila 302, kokoke i ka 304, akā ʻoi aku ka paʻakikī o 302, HRC≤28, a he kūpaʻa maikaʻi i ka popo a me ka palaho.
•Paipu ʻoihana kila kila 301: ductility maikaʻi, hoʻohana ʻia no nā huahana i hoʻoheheʻe ʻia. Hiki ke hoʻopaʻakikī koke ʻia e ka hana mechanical. Hiki ke hoʻopili maikaʻi ʻia. ʻOi aku ka maikaʻi o ke kūpaʻa ʻana i ka ʻaʻahu a me ka ikaika luhi ma mua o ke kila kila 304.
• Paipu ʻoihana kila kila 202: no ke kila kila austenitic chromium-nickel-manganese, me ka hana ʻoi aku ka maikaʻi ma mua o ke kila kila 201
•201 paipu ʻoihana kila kila: no ke kila kila austenitic chromium-nickel-manganese, me ka magnetism haʻahaʻa
•Paipu ʻoihana kila kila 410: no ka martensite (kila chromium ikaika kiʻekiʻe), me ke kūpaʻa maikaʻi o ka ʻaʻahu a me ke kūpaʻa ʻino ʻole.
•Paipu ʻoihana kila kila 420: kila martensitic "Tool grade", e like me ke kila chromium kiʻekiʻe ʻo Brinell, he kila kila mua loa. Hoʻohana ʻia nō hoʻi ia no nā pahi ʻokiʻoki a hiki ke hana ʻia i ʻālohilohi loa.
•Paipu ʻoihana kila kila 430: kila kila ferritic, hoʻohana ʻia no ka hoʻonaninani, e like me nā mea pono kaʻa. Maikaʻi ke ʻano, akā ʻaʻole maikaʻi ke kūpaʻa wela a me ke kūpaʻa i ka palaho
2. Ke kū'ē ʻana i ke kaomi o nā paipu kila kila
ʻO ke kaha kaomi o kahi paipu kila kila e pili ana i kona nui (ke anawaena o waho), ka mānoanoa o ka paia (e laʻa, SCH40, SCH80), a me ka mahana hana. Nā kumumanaʻo koʻikoʻi:
•ʻO nā paia mānoanoa a me nā anawaena liʻiliʻi e hoʻopuka i ke kūpaʻa kaomi kiʻekiʻe.
•Hoʻemi nā mahana kiʻekiʻe i ka ikaika o ka mea a me nā paepae kaomi.
•Hāʻawi nā kila duplex e like me 2205 i ka ikaika kokoke i ka pālua o 316L.
Eia kekahi laʻana, hiki i kahi paipu kila kila SCH40 304 4-'īniha ke lawelawe i kahi o 1102 psi ma lalo o nā kūlana maʻamau. Hiki i kahi paipu 1-'īniha ke ʻoi aku ma mua o 2000 psi. Pono nā ʻenekinia e nānā iā ASME B31.3 a i ʻole nā kūlana like no nā helu kaomi pololei.
3. Hana ʻino i nā wahi ʻino
Nā Kaiapuni Waiwai i ka Chloride
He maʻalahi ka 304 i ka lua a me ka SCC i nā wahi waiwai i ka paʻakai. Paipai ʻia ʻo 316L a ʻoi aku paha. No nā hihia koʻikoʻi e like me ka wai kai a i ʻole ka paʻakai, ʻoi aku ka maikaʻi o 2205, 2507, a i ʻole 904L.
Media ʻakika a i ʻole Oxidizing
Hana maikaʻi ʻo 316L i nā waikawa nāwaliwali. No nā waikawa ikaika e like me ka sulfuric a i ʻole ka phosphoric acid, koho i ka 904L a i ʻole nā kila duplex kiʻekiʻe.
ʻOkika Mahana Kiʻekiʻe
No nā mahana ma luna o 500°C, hiki i ka 304 a me 316 ke nalowale ka pono. E hoʻohana i nā papa paʻa e like me 321 a i ʻole 347 no ka lawelawe mau a hiki i ~900°C.
4. Nā Noi ʻOihana Nui
ʻOihana ʻAila a me ke Kinoea
Hoʻohana ʻia i nā paipu hana, nā mea hoʻololi wela, a me nā laina halihali. No nā kūlana kinoea ʻawaʻawa a me ka chloride, makemake ʻia ʻo 2205/2507/904L. Hoʻohana nui ʻia nā kila Duplex i nā mea hoʻololi wela no ko lākou ikaika kiʻekiʻe a me ke kūpaʻa i ka pala.
Meaʻai a me ka Mea Inu
ʻO ka hoʻopau ʻana o ka ʻili laumania e pale aku i ka ulu ʻana o ka bacteria. He kūpono nā 304/316L no ka waiū, ka hana pia, a me nā mea ʻono. Hana maikaʻi ʻo 316L me nā meaʻai ʻakika a paʻakai paha. Hoʻopili pinepine ʻia nā paipu no ka hoʻomaʻemaʻe.
ʻOihana lāʻau lapaʻau
Pono ke kūpaʻa kiʻekiʻe i ka maʻemaʻe a me ka pala. Hoʻohana ʻia ʻo 316L a me nā ʻano like ʻole e like me 316LVM no ka wai i hoʻomaʻemaʻe ʻia a me nā ʻōnaehana CIP/SIP. Hoʻopili pinepine ʻia nā ʻili i ke aniani.
5. Alakaʻi Koho Papa ma o ka Noi
| Kaiapuni Noi | Nā Māka i Manaʻo ʻia |
| Wai / Ea Laulā | 304 / 304L |
| Nā Kaiapuni Waiwai i ka Chloride | 316 / 316L a i ʻole 2205 |
| Lewa Mahana Kiʻekiʻe | 321 / 347 |
| Nā ʻakika ikaika / Phosphoric | 904L, 2507 |
| Nā ʻōnaehana hoʻomaʻemaʻe papa meaʻai | 316L (Hoʻopili ʻia me ka uila) |
| Nā ʻōnaehana lāʻau lapaʻau | 316L / 316LVM |
Ka manawa hoʻouna: Mei-06-2025