Re sebelisa li-cookies ho ntlafatsa boiphihlelo ba hau.Ka ho tsoela pele ho bala sebaka sena sa marang-rang, u lumellana le tšebeliso ea rona ea li-cookies.Boitsebiso bo bong.
Selelekela Thepa ea Bohlokoa Tlhaho ea Mechanical Thepa Litlhaloso tsa KereitiBapisa Tse ka 'nang tsa E-ba Teng Mephato e 'Ngoe ea Khanyetso ea Mocheso oa Mocheso Ho WeldingFinishingApplications
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
Grade 3CR12 stainless steel grade ke theko e tlaase ea chromium e nang le tšepe e sa hloekang e entsoeng ka ho fetola thepa ea tšepe ea grade 409. E hanela ho senyeha ha bonolo le ho apara metsi.E qalile ke Columbus Stainless Company tlas'a letšoao la khoebo le ngolisitsoeng "3CR12".
Litlhahiso tse ling tse lekanang le limaraka tsa 3CR12 li kenyelletsa limaraka tsa ASME SA240, limaraka tsa ASTM A240 / A240M, le EN 10088.2. Leha ho le joalo, EN 10028.7 e boetse e akaretsa sehlopha sa 1.4003, se etsang tšepe e sa hloekang bakeng sa merero ea khatello.
Likarolo tse latelang li tla fana ka thepa ea bohlokoa ea grade 3CR12 coil ea tšepe e sa hloekang, lakane le poleiti ho latela Euronorm S41003, S40977, ASTM A240/A240M le EN 10088.2 1.4003.
Tse ka holimo ke papiso e mpe feela.Tafole ena e reretsoe ho fana ka papiso ea lisebelisoa tse ts'oanang tse sebetsang, 'me litlhaloso ha li molaong.Litlhaloso tsa mantlha li ka netefatsoa haeba ho hlokahala ho lekana hantle.
Grade 3CR12 tšepe e sa hloekang e ka sebelisoa lits'ebetsong moo aluminium, galvanized kapa carbon steel e fanang ka liphello tse fokolang ka lebaka la ho hanyetsa li-acids tse matla le metheo, hammoho le ho phunyeha ho bakoang ke chloride stress corrosion.
Tlas'a maemo a ambient, 3CR12 grade e ntlafalitse mamello ho metsi le chloride, kaha corrosiveness ea chloride content e fokotswa ke nitrate le sulfate ions. E 'ngoe ea mathata a ka sehloohong a grade 3CR12 ke hore bokaholimo ba thepa bo senyeha hanyenyane ha bo pepesehile ka lebaka la mofuta ofe kapa ofe oa ho khabisa.
3CR12 sehlopha sa tšepe e sa hloekang e bonts'a khanyetso e litšila pakeng tsa 600 le 750 ° C ka pel'a moea le pakeng tsa 450 le 600 ° C sebakeng se hatelitsoeng. Thepa e fetoha brittle ka ho pepesehela mocheso ka nako e telele pakeng tsa 450 le 550 ° C. Leha ho le joalo, thepa ha e lahleheloe ke ho hanyetsa mocheso sebakeng sena sa mocheso.
Grade 3CR12 tšepe e sa hloekang e annealed ka 700 ho 750 ° C, e arotsoe ka likarolo tse 25mm, karolo e 'ngoe le e' ngoe e kolobisitsoe lihora tse 1.5. Ebe u tlohela lintho tse pholileng.Tlhokomelo e lokela ho nkoa ho thibela ho thatafala nakong ea phekolo ea mocheso.Thepa ea mechine le ho hanyetsa kutu ea sehlopha sena li angoa ke phekolo ea ho tima.
Mekhoa ea ho tjheseletsa e sebelisoang bakeng sa litšepe tse sa hloekang tsa austenitic e ka sebelisoa ho li-steels tse sa hloekang tsa grade 3CR12. Nahana ka theknoloji e fokolang ea mocheso e kang GMAW (MIG) le GTAW (TIG) . li boetse li sebelisoa maemong a mangata.Ho fifala hofe kapa hofe ha sehlahisoa se rekisoang ho ka tlosoa ho sebelisoa khase ea tšehetso kapa mekhoa e kang ho hloekisa le ho khetha.
The machinability ea 3CR12 grade tšepe e sa hloekang ke hoo e ka bang 60% ea tšepe e bonolo.Sekhahla sa bona sa ho thatafala ha mosebetsi se tlase ho feta sa li-stees tsa austenitic, kahoo ha ho na mekhoa e khethehileng ea machining e hlokahalang.
Lipampiri tsa tšepe tse sa hloekang tsa Grade 3CR12 li fumaneha ka mokhoa o tloaelehileng oa Hot Rolled Annealed and Pickled (HRAP), 'me li-coil li fumaneha ka 2B kapa 2D finishes.
Lumela Richard, ke thabetse ho u fa palo leha e le efe ea 3Cr12.Re fana ka thepa tlas'a letšoao la Cromgard C12. Ke kopa o ntetsetse ho 719-597-2423.Jane Robinson.
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Sengoliloeng sena se fana ka tlhahlobo ea ho qetela ea libeteri tsa lithium-ion, e tsepamisitse maikutlo ho nchafatsa palo e ntseng e eketseha ea libeteri tsa lithium-ion tse sebelisoang ho thusa mekhoa e tsitsitseng le e chitja ea tšebeliso ea betri le ho e sebelisa hape.
Corrosion ke ho senyeha ha motsoako ka lebaka la ho pepesehela tikoloho.Mekhoa e fapaneng e sebelisoa ho thibela ho senyeha ha li-alloys tsa tšepe tse pepesehileng moeeng kapa maemo a mang a mabe.
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