ASTM A213 T12(ASME SA213 T12) bututu ne mai ƙarancin ƙarfe mara tsari wanda aka ƙera don hidimar zafi mai yawa.
Babban abubuwan da ke haɗa shi da ƙarfe sune chromium 0.80–1.25% da molybdenum 0.44–0.65%, waɗanda ke rarraba shi a matsayin ƙarfe mai ƙarfe na chromium-molybdenum. Ana amfani da shi sosai a cikin yanayi mai zafi da matsin lamba kamar su boilers, superheaters, da masu musayar zafi.
Bututun T12 yana da mafi ƙarancin ƙarfin tauri na 415 MPa da mafi ƙarancin ƙarfin fitarwa na 220 MPa.
Matsayin UNS na wannan matakin shine K11562.
Botop Steel ƙwararre ne kuma amintaccen mai haƙo bututun ƙarfe na ƙarfe a China, yana da ikon samar da bututun ƙarfe na ƙarfe da sauri, gami daT5 (K41545), T9 (K90941), T11 (K11597), T12 (K11562), T22 (K21590), kumaT91 (K90901).
Kayayyakinmu suna da inganci mai inganci, farashi mai kyau, kuma suna tallafawa dubawa na ɓangare na uku.
Domin yin oda ko ƙarin bayani, tuntuɓe mu a yau!
Mai ƙera da Yanayi
Za a yi bututun ƙarfe na ASTM A213 T12 ta hanyar tsari mara matsala kuma za a gama su da zafi ko sanyi, kamar yadda aka ƙayyade.
Maganin Zafi
Duk bututun ƙarfe na T12 za a yi musu maganin zafi.
Hanyoyin maganin zafi da aka yarda sun haɗa da fannealing na ull ko isothermal, normalize da kuma daidaita, korage girman kai.
| Matsayi | Nau'in maganin zafi | Ƙaramin Sauyawa ko Zafin Jiki |
| ASTM A213 T12 | cikakken ko isothermal annea | — |
| normalize da kuma daidaita yanayin | — | |
| ƙaramin bincike | 1200-1350 ℉ [650-730 ℃] |
Ya kamata a lura cewa dole ne a yi maganin zafi daban-daban kuma ban da samar da zafi.
| Matsayi | Abun da aka haɗa, % | ||||||
| C | Mn | P | S | Si | Cr | Mo | |
| T12 | 0.05 ~ 0.15 | 0.30 ~ 0.61 | matsakaicin 0.025 | matsakaicin 0.025 | matsakaicin 0.50 | 0.80 ~ 1.25 | 0.44 ~ 0.65 |
Ya halatta a yi odar T12 tare da matsakaicin sinadarin sulfur na 0.045. Alamar za ta haɗa da harafin "S" bayan an ayyana shi a matsayin maki, kamar yadda yake a cikin T12S.
| Kayayyakin Inji | ASTM A213 T12 | |
| Bukatun Taurin Kai | Ƙarfin Taurin Kai | 60 ksi [415 MPa] minti |
| Ƙarfin Ba da Kyauta | 32 ksi [220 MPa] minti | |
| Ƙarawa a cikin inci 2 ko 50 mm | Minti 30% | |
| Bukatun Tauri | Brinell/Vickers | 163 HBW / 170 HV mafi girma |
| Rockwell | matsakaicin HRB 85 | |
| Gwajin Faɗin Ƙasa | Za a yi gwajin lanƙwasa ɗaya a kan samfuran da aka samo daga kowane ƙarshen bututun da aka gama, ba wanda aka yi amfani da shi don gwajin lanƙwasa ba, daga kowane yanki. | |
| Gwajin Ƙwaƙwalwa | Za a yi gwajin walƙiya ɗaya a kan samfurori daga kowane ƙarshen bututun da aka gama, ba wanda aka yi amfani da shi don gwajin shimfiɗa ba, daga kowane yanki. | |
Kowace bututu za a yi mata gwajin lantarki mara lalatawa ko gwajin hydrostatic.Nau'in gwajin da za a yi amfani da shi zai kasance a zaɓin mai ƙera shi, sai dai idan an ƙayyade shi akasin haka a cikin odar siyan.
Za a gudanar da hanyoyin gwaji bisa ga buƙatun da suka dace na Sashe na 25 da 26 na ASTM A1016.
Girman bututun ASTM A213 T12 da kauri na bango yawanci ana sanya su da diamita na ciki daga 3.2 mm zuwa diamita na waje na 127 mm, da kuma mafi ƙarancin kauri na bango daga 0.4 mm zuwa 12.7 mm.
Ana iya samar da wasu girman bututun ƙarfe na T12, muddin an cika duk wasu buƙatun ASTM A213.
Ana amfani da bututun ƙarfe marasa sumul na ASTM A213 T12 a cikin yanayin aiki mai zafi da matsin lamba. Aikace-aikacen yau da kullun sun haɗa da
1. Na'urorin dumama da na'urorin sake dumama
Ana amfani da shi a tashoshin wutar lantarki don bututun dumama da na sake dumamawa waɗanda ke aiki a ƙarƙashin yanayin zafi da matsin lamba mai yawa.
Ana amfani da shi sosai a matsayin bututun tukunya a tashoshin wutar lantarki na zafi, na'urorin dawo da zafi da sharar gida, da kuma tukunyar masana'antu.
3. Masu Canja Zafi
Ya dace da bututun musayar zafi a masana'antar petrochemical da sinadarai saboda kyakkyawan juriyarsa ga creep da kwanciyar hankali na zafi.
4. Bututun Wutar Lantarki da Na'urar Hita
An sanya shi a cikin na'urorin murhu na matatar mai, bututun hita, da kuma na'urorin dumama inda ake buƙatar juriya ga iskar shaka da ƙarfi na dogon lokaci.
5. Bututun Matsi a Tashoshin Wutar Lantarki da Man Fetur
Ana amfani da shi don bututun mai zafi sosai, gami da layukan tururi da layukan jigilar ruwa mai zafi.
| ASME | ASTM | EN | GB | JIS |
| ASME SA213 T12 | ASTM A335 P12 | EN 10216-2 13CrMo4-5 | GB/T 5310 15CrMoG | JIS G 3462 STBA22 |
Kayan aiki:bututun ƙarfe marasa tsari na ASTM A213 T12 da kayan aiki;
Girman:1/8" zuwa 24", ko kuma an keɓance shi bisa ga buƙatunku;
Tsawon:Tsawon bazata ko yankewa bisa ga oda;
Marufi:Baƙin shafi, ƙarshen da aka yanke, kariyar ƙarshen bututu, akwatunan katako, da sauransu.
Tallafi:Takaddun shaida na IBR, duba TPI, MTC, yankewa, sarrafawa, da kuma keɓancewa;
Moq:mita 1;
Sharuɗɗan Biyan Kuɗi:T/T ko L/C;
Farashi:Tuntube mu don samun sabbin farashin bututun ƙarfe na T12.
