Garanti tallace-tallace na 30CrMo gami karfe bututu manufacturer
30CrMo gami karfe bututu yana da carbon abun ciki na 0.26 ~ 0.34, silicon abun ciki na 0.17 ~ 0.37, manganese abun ciki na 0.40 ~ 0.70, molybdenum abun ciki na 0.15 ~ 0.25, chromium abun ciki na 0.80 ~ 1.10. Akwai dangantaka da bambance-bambance tsakanin bututun allo da bututu mara nauyi, waɗanda ba za a iya ruɗe su ba. Alloy bututu an bayyana shi azaman bututun ƙarfe bisa ga kayan samarwa (watau abu). Kamar yadda sunan ya nuna, bututu ne da aka yi da gami; An bayyana bututu maras kyau bisa ga tsarin samar da bututun ƙarfe (seamless seam). Abin da ya bambanta da bututu maras sumul shine bututu maras kyau, gami da madaidaiciyar bututun welded da bututu mai karkace. 35CrMo, 16-50mn, 27SiMn, 40Cr, Cr5Mo 12Cr1MoV 12Cr1MoVG 15CrMo 15CrMoG 15CrMoV 13CrMo44 T91 27SiMn 25CrMo 35CrMov15CrMo P22.p91. T91, binciken karfe 102, st45.8-111, A106B.
Matsayin ƙarfe, wanda aka rage shi azaman ƙimar ƙarfe, shine sunan kowane takamaiman samfurin ƙarfe. Yare ne gama gari don mutane su fahimci karfe. A kasar Sin, ana bayyana tsayayyen alamar gaba ɗaya ta hanyar haɗin haruffan Pinyin na Sinanci, alamomin sinadarai da lambobin larabci.
Na gaba, za mu gabatar da ma'anar abubuwa da alamomi a cikin ƙarfe na allo
Lambobi biyu a farkon matakin karfe suna wakiltar abun cikin carbon na karfe, wanda aka bayyana a matsayin 'yan dubbai na matsakaicin abun ciki na carbon, kamar 40Cr.
Babban abubuwan haɗakarwa a cikin ƙarfe, ban da daidaikun abubuwan microalloyed, gabaɗaya ana bayyana su cikin ƴan kashi. Lokacin da matsakaicin abun ciki na gami ya kasance ƙasa da 1.5%, a cikin ƙimar ƙarfe
Gabaɗaya, alamar kashi kawai ake yiwa alama, amma abun ciki ba a yiwa alama alama ba. Duk da haka, idan yana da sauƙi a ruɗe a ƙarƙashin yanayi na musamman, lambar "1" kuma za a iya yin alama bayan alamar kashi,
Misali, na karfe maki "12CrMoV" da "12Cr1MoV", abun ciki na chromium na tsohon shine 0.4-0.6%, na karshen kuma shine 0.9-1.2%, sauran abubuwan kuma duk iri daya ne.
Lokacin da matsakaicin abun ciki na abubuwan gami shine ≥ 1.5%, ≥ 2.5%, ≥ 3.5% ... Za a nuna abun ciki bayan alamar kashi, wanda za'a iya bayyana shi azaman 2 da 3 daidai.
gami
Alloy (2 zanen gado)
Da sauransu. Misali, 18Cr2Ni4WA.
Vanadium V, titanium Ti, aluminum Al, boron B, rare earth RE da sauran abubuwan gami a cikin ƙarfe suna cikin abubuwan microalloyed. Ko da yake abun ciki yana da ƙasa sosai, ya kamata su kasance a cikin ƙimar ƙarfe
Alama. Misali, a cikin karfe 20mnvb, vanadium shine 0.07-0.12% kuma boron shine 0.001-0.005%.
Ƙarfe mai inganci za a yi masa alama da "a" a ƙarshen ƙimar ƙarfe don bambanta shi da babban ingancin ƙarfe na gaba ɗaya.
Don ƙaƙƙarfan tsarin ƙarfe don manufa ta musamman, ƙimar ƙarfe tana gaba da (ko kari) don wakiltar alamar manufar ƙarfen. Misali, 30CrMnSi karfe don dunƙule riveting,
An nuna darajar karfe a matsayin ml30crmnsi.
Don ƙwararrun ƙarancin gami da ƙarfin ƙarfe mai ƙarfi, za a nuna shi a ƙarshen ƙimar ƙarfe. Misali, karfe 16Mn, karfe na musamman da ake amfani da shi don gadoji shine "16Mnq", tururi
Ƙarfe na musamman na girder shine "16MnL", kuma ƙirar ƙarfe na musamman na jirgin ruwa shine "16MnR".
