Hoʻohana mākou i nā kuki e hoʻonui i kou ʻike. Ma ka hoʻomau ʻana i ka nānā ʻana i kēia pūnaewele e ʻae ʻoe i kā mākou hoʻohana ʻana i nā kuki. ʻIke hou aku.
IntroductionKey PropertiesComposition Mechanical PropertiesPhysical Properties Grade Specifications Comparative Potential Alternative Grades Corrosion Resistance Heat Welding WeldingFinishing Applications
Fe, <0.3% C, 10.5-12.5% ​​Cr, 0.3-1.0% Ni, <1.5% Mn, <1.0% Si, <0.4% P, <0.15% S, <0.03% N
ʻO ke kila kila kila 3CR12 he kumu kūʻai haʻahaʻa o ka chromium i loaʻa i ke kila kila i hana ʻia ma ka hoʻololi ʻana i nā waiwai o ke kila kila 409. Ua kūʻē ʻo ia i ka corrosion māmā a me ka lole pulu.
ʻO nā inoa ʻē aʻe e like me nā māka 3CR12 e pili ana i nā māka ASME SA240, nā māka ASTM A240/A240M, a me EN 10088.2. Akā naʻe, uhi pū ʻo EN 10028.7 i ka papa 1.4003, ʻo ia ka mea kila kila no nā kumu kaomi.
E hāʻawi nā ʻāpana aʻe i nā waiwai koʻikoʻi o ka grade 3CR12 stainless steel coil, sheet a me ka pā e like me Euronorm S41003, S40977, ASTM A240/A240M a me EN 10088.2 1.4003.
ʻO nā mea i luna nei he mau hoʻohālikelike koʻikoʻi wale nō. Ua manaʻo ʻia kēia papa e hāʻawi i ka hoʻohālikelike ʻana i nā mea hana like, a ʻaʻole kānāwai nā kikoʻī. Hiki ke hōʻoia ʻia nā kikoʻī kumu inā pono nā mea like.
Hiki ke hoʻohana ʻia ke kila kila kila 3CR12 i nā noi kahi e hāʻawi ai ka aluminika, galvanized a i ʻole carbon steel i nā hopena maikaʻi ʻole ma muli o kona kū'ē ʻana i nā ʻakika ikaika a me nā kumu, a me ka haki ʻana e ka chloride stress corrosion.
Ma lalo o nā kūlana ambient, ua hoʻomaikaʻi ka papa 3CR12 i ka hoʻomanawanui i ka wai a me nā chlorides, no ka mea, ua hoʻemi ʻia ka corrosiveness o ka mea chloride e ka nitrate a me ka sulfate ions.
Hōʻike ka 3CR12 grade stainless steel i ke kūpaʻa ʻino ma waena o 600 a me 750 ° C ma ke alo o ka ea a ma waena o 450 a me 600 ° C i kahi wahi kaomi.
Hoʻopili ʻia ke kila kila kila 3CR12 ma 700 a 750 ° C, i māhele ʻia i nā ʻāpana 25mm, i hoʻomoʻi ʻia kēlā me kēia ʻāpana no nā hola 1.5. A laila e hoʻomaloʻo ka mea. Pono e mālama ʻia e pale i ka paʻakikī i ka wā wela.
Hiki ke hoʻohanaʻia nāʻano hana kuʻikuʻi i hoʻohanaʻia no nā mea kila kila austenitic i ka papa 3CR12 stainless steels. E noʻonoʻo i nāʻenehana hoʻokomo wela haʻahaʻa e like me GMAW (MIG) a me GTAW (TIG). I ka welding, grade 309 filler wire pre-certified to AS 1554.6 is prefered. Hiki ke hoʻoneʻe ʻia ka discoloration o ka huahana soldered me ka hoʻohana ʻana i ke kinoea kākoʻo a i ʻole nā ​​ʻenehana e like me ka hoʻomaʻemaʻe a me ka pickling.
ʻO ka machinability o 3CR12 grade stainless steel ma kahi o 60% o ke kila maʻemaʻe. ʻO kā lākou hana paʻakikī ʻoi aku ka haʻahaʻa ma mua o ka austenitic steels, no laila ʻaʻole pono nā ʻano machining kūikawā.
Loaʻa ka papa 3CR12 stainless steel sheets ma kahi maʻamau Hot Rolled Annealed and Pickled (HRAP) hoʻopau, a loaʻa nā coils i ka hopena 2B a i ʻole 2D. Hiki ke hana ʻia nā mea ʻeleʻele mai nā mea ʻōwili wela, e waiho ana i kahi ʻeleʻele oxidized ma luna o ke kila.
Aloha kakahiaka Richard, hauʻoli wau e hoʻolako iā ʻoe i kekahi nui o 3Cr12. Hāʻawi mākou i nā mea ma lalo o ka brand Cromgard C12. E kelepona mai iaʻu ma 719-597-2423.Jane Robinson.
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ʻO ka corrosion ka hoʻohaʻahaʻa ʻana o kahi huila ma muli o ka ʻike ʻana i ke kaiapuni.
Ma muli o ka piʻi ʻana o ka noi no ka ikehu, hoʻonui ʻia ka noi no ka wahie nuklea, e alakaʻi hou ana i ka piʻi nui o ka noi no ka ʻenehana post-irradiation inspection (PIE).