SUS304 (SUS yana nufin bakin karfe don karfe) bakin karfe austenite yawanci ana kiransa SS304 ko AISI 304 a cikin Jafananci. Babban bambanci tsakanin kayan biyu ba kowane kaddarorin jiki ko halaye bane, amma hanyar da aka ambata a cikin Amurka da Japan.
Duk da haka, akwai bambance-bambancen inji tsakanin karfe biyu. A cikin misali ɗaya, samfuran SS304 da aka samo daga tushen Amurka da samfuran SUS304 da aka samo daga tushen Jafananci an aika zuwa dakin gwaje-gwaje don gwaji.
SUS304 (JIS misali) yana ɗaya daga cikin nau'ikan bakin karfe da aka fi amfani dashi. Ya ƙunshi 18% Cr (chromium) da 8% Ni (nickel). Har yanzu yana iya kiyaye ƙarfinsa da juriya na zafi a babban zafi da ƙarancin zafi. Har ila yau yana da kyakkyawan walƙiya, kaddarorin inji, aikin sanyi da juriya na lalata a cikin ɗaki. SS304 (ANSI 304) shine bakin karfe da aka fi amfani dashi lokacin kera wasu kayan bakin karfe, kuma yawanci ana siya ne a karkashin yanayin sanyi ko mai sanyawa. Kama da SUS304, SS304 kuma ya ƙunshi 18% Cr da 8% Ni, don haka ana kiran shi 18/8. SS304 yana da kyau weldability, zafi juriya, lalata juriya, low zafin jiki ƙarfi, workability, inji Properties, zafi magani ba taurare, lankwasawa, stamping isothermal workability yana da kyau. Ana amfani da SS304 sosai a masana'antu da yawa, gami da abinci, aikin likita da kayan ado. Chemical abun da ke ciki na SUS304 da SS 304
| SUS304 | Saukewa: SS304 | |
| (C) | ≤0.08 | ≤0.07 |
| (Si) | ≤1.00 | ≤0.75 |
| (Mn) | ≤2.00 | ≤2.00 |
| (P) | ≤0.045 | ≤0.045 |
| (S) | ≤0.03 | ≤0.03 |
| (Cr) | 18.00-20.00 | 17.50-19.50 |
| (Ni) | 8.00-10.50 | 8.00-10.50 |
Lalata juriya na 304 bakin karfe Kamar yadda muka sani, 304 bakin karfe yana aiki da kyau a wurare daban-daban na yanayi da kuma watsa labarai masu lalata. Koyaya, a cikin yanayin chloride mai ɗumi, lokacin da zafin jiki ya wuce 60 ° C, yana da sauƙi ga lalata lalata, ɓarna ɓarna da lalata damuwa. A yanayin zafi, ana kuma la'akari da cewa zai iya jure wa ruwan sha mai ɗauke da kusan 200 mg/l chloride.Halayen jiki na SUS304 da SS304
Kayayyakin biyu suna da kusanci sosai a cikin halayen zahiri da sinadarai, don haka yana da sauƙi a ce kayan iri ɗaya ne. Hakazalika, babban bambanci tsakanin kasashen biyu shi ne daidaita daidaito tsakanin Amurka da Japan. Wannan yana nufin cewa sai dai in an ayyana takamaiman ƙa'idodi ko buƙatu ta ƙasa ko abokin ciniki, kowane abu ana iya amfani da shi azaman madadin.
Lokacin aikawa: Fabrairu-09-2023
