ʻO nā paipu ʻoihana kila kila nā mea pono ma waena o nā ʻoihana he nui ma muli o ko lākou ikaika mechanical maikaʻi loa, kūpaʻa corrosion, a me ka hoʻomanawanui kiʻekiʻe. Ma muli o ke kaiapuni hana a me nā kikoʻī kikoʻī, ʻo nā māka i hoʻohana maʻamau ʻia me 304, 316, 321, 347, 904L, a me nā kila stainless duplex like.2205a2507. ʻIke ʻia kēia ʻatikala i ka hana, nā mana kaomi, a me nā kahua noi o nā paipu kila kila e alakaʻi i ke koho ʻana i nā mea pono.
1. Nā Papa Kūleʻa Kūleʻa maʻamau a me ko lākou mau ʻano
•304L kuhiliʻole kila paipu hana: E like me ka haʻahaʻa-carbon 304 kila, ma ka laulā, kona corrosion kū'ē like me ka 304, akā, ma hope o kuʻihao a koʻikoʻi hoʻomaha, kona kū'ē i intergranular corrosion ua maikai loa, a hiki ke malama maikai corrosion kū'ē me ka wela wela.
• 304 kuhiliʻole kila paipu 'oihana: He maikaʻi corrosion kū'ē, wela kū'ē, haʻahaʻa wela ikaika a me mechanical waiwai, maikaʻi wela hana waiwai e like me stamping a me ke kulou ana, a me ka wela lāʻau hardening hanana. Hoʻohana: nā papa ʻaina, nā keʻena, nā paila, nā ʻāpana kaʻa, nā mea lapaʻau, nā mea kūkulu hale, ʻoihana meaʻai (hoʻohana i ka mahana -196 ° C-700 ° C)
ʻO nā hiʻohiʻona nui o ka 310 stainless steel pipe industrial: ʻo ke kūpaʻa wela kiʻekiʻe, hoʻohana maʻamau i nā boilers, nā paipu hoʻopau kaʻa. ʻO nā waiwai ʻē aʻe he laulā.
• 303 paipu 'oihana kuhili 'ole: Ma ka ho'ohui 'ana i ka sulfur a me ka phosphorus, 'oi aku ka ma'alahi o ka 'oki 'ana ma mua o 304, a 'o nā waiwai 'ē a'e e like me 304.
• 302 kuhiliʻole kila paipu 'oihana: 302 kuhiliʻole hao kaola ua hoʻohana nui 'ia i loko o nā kaʻa'āpana, mokulele, aerospace lako lako, a me ka oihana kemika. ʻO nā mea kiko'ī penei: nā lima lima, nā bearings, nā pua sliding, nā mea lapaʻau, nā mea uila, a me nā mea'ē aʻe.
• 301 kuhiliʻole kila paipu 'oihana: maikai ductility, hoʻohana 'ia no ka molded huahana. Hiki ke hoʻopaʻakikī koke ʻia e ka hana mechanical. Maikaʻi weldability. ʻOi aku ka maikaʻi o ka ʻaʻahu a me ka ikaika luhi ma mua o 304 kila kila.
• 202 kuhiliʻole kila paipu 'oihana: nona ka chromium-nickel-manganese austenitic kuhiliʻole kila, me ka 'oi aku ka maikaʻi ma mua o 201 kuhiliʻole kila.
• 201 paipu kila kila: no ka chromium-nickel-manganese austenitic kila kila, me ka haʻahaʻa magnetism.
•410 paipu kila kila: pili i ka martensite (ke kila chromium ikaika kiʻekiʻe), me ke kūpaʻa ʻaʻahu maikaʻi a me ka pale ʻana i ka corrosion.
•420 kuhiliʻole kila 'oihana paipu: "Tool grade" martensitic kila, e like me Brinell kiʻekiʻe chromium kila, he ultra-mua kuhiliʻole kila. Hoʻohana ʻia ia no nā pahi ʻokiʻoki a hiki ke hana ʻia i ka mālamalama loa.
•430 kuhiliʻole kila paipu 'oihana: ferritic kuhiliʻole kila, hoʻohana 'ia no ka hoʻonani, e like me automotive lako. Maikaʻi formability, akā maikaʻi ka wela kū'ē a me ka corrosion kū'ē
2. Paʻi Paʻi o nā Paipu Kūleʻa
ʻO ka hiki ke kaomi o ka paipu kila kila ma muli o kona nui (ka anawaena o waho), ka mānoanoa o ka paia (e laʻa, SCH40, SCH80), a me ka mahana hana. Nā loina nui:
• ʻO nā paia mānoanoa a me nā anawaena liʻiliʻi e hāʻawi mai i ke kūpaʻa kiʻekiʻe.
•ʻO nā mahana kiʻekiʻe e hōʻemi i ka ikaika a me nā paepae kaomi.
•Duplex steels e like me 2205 hāʻawi kokoke pālua i ka ikaika o 316L.
No ka laʻana, hiki i kahi paipu kila kuhili ʻole 4-inihi SCH40 304 hiki ke hoʻopaʻa i ka approx. 1102 psi ma lalo o nā kūlana maʻamau. Hiki i ka paipu 1 iniha ke oi aku i ka 2000 psi. Pono nā ʻenekinia e nīnau i ka ASME B31.3 a i ʻole nā kūlana like ʻole no nā helu kaomi pololei.
3. Hana ʻino i nā Kaiapuni ʻino
Nā Kaiapuni Waiwai Kloride
Hiki i ka 304 ke pitting a me ka SCC ma nā wahi paʻakai. Manaʻo ʻia ʻo 316L a ʻoi aku paha. No nā hihia koʻikoʻi e like me ka wai kai a i ʻole ka paʻakai paʻakai, ʻoi aku ka maikaʻi o 2205, 2507, a i ʻole 904L.
ʻAkika a i ʻole ka mea hoʻoheheʻe ʻia
Hana maikaʻi ʻo 316L i nā ʻakika nāwaliwali. No nā ʻakika koʻikoʻi e like me ka sulfuric a i ʻole ka waikawa phosphoric, e koho i ka 904L a i ʻole nā kila duplex high-alloy.
Kiʻekiʻe-Mahana Oxidation
No ka mahana ma luna o 500°C, 304 a me 316 hiki ke lilo ka pono. E hoʻohana i nā māka paʻa e like me 321 a i ʻole 347 no ka lawelawe mau ʻana a hiki i ~900°C.
4. Na Hana Hana Nui
ʻOihana ʻaila a me nā kinoea
Hoʻohana ʻia i ka paipu kaʻina hana, nā mea hoʻololi wela, a me nā laina lawe. No nā kūlana kinoea ʻawaʻawa a me ka chloride, ʻoi aku ka maikaʻi o 2205/2507/904L. Hoʻohana nui ʻia nā kila Duplex i nā mea hoʻololi wela no ko lākou ikaika kiʻekiʻe a me ke kūpaʻa corrosion.
Meaʻai & Mea inu
ʻO ka pau ʻana o ka ʻili paheʻe e pale i ka ulu ʻana o ka bacteria. He mea kūpono ka 304/316L no ka waiu, ka hana ʻana, a me ka ʻai. ʻOi aku ka maikaʻi o 316L me nā meaʻai ʻakika a paʻakai paha. Hoʻopili pinepine ʻia nā paipu no ka maʻemaʻe.
ʻoihana lāʻau lapaʻau
Pono ka maʻemaʻe kiʻekiʻe a me ka pale ʻana i ka corrosion. Hoʻohana ʻia ka 316L a me nā ʻano like ʻole e like me 316LVM no ka wai maʻemaʻe a me nā ʻōnaehana CIP/SIP. ʻO nā ʻili he mea maʻamau i hoʻonani ʻia.
5. Ke alakaʻi koho papa ma ka noi
| Kaiapuni noi | Manaʻo Papa |
| Ka wai / ea | 304 / 304L |
| Nā Kaiapuni Waiwai Kloride | 316 / 316L a i ʻole 2205 |
| Ka Lewa Kiekie | 321 / 347 |
| Nā ʻakika ikaika / Phosphoric | 904L, 2507 |
| Nā Pūnaehana Hoʻomaʻemaʻe Meaʻai | 316L (Electropolished) |
| Pūnaehana lāʻau lapaʻau | 316L / 316LVM |
Ka manawa hoʻouna: Mei-06-2025