Gabatarwa
TheASTM A312 UNS S30815 253MA Bakin Karfe Bututuwani ƙarfe ne mai ƙarfi da aka sani da ƙarfin juriya ga iskar shaka mai zafi, tsatsa, da kuma kyawawan halayen injiniya a cikin yanayin zafi mai yawa.253MAAn ƙera shi musamman don yin hidima a aikace-aikacen da ke buƙatar kwanciyar hankali mai zafi, musamman a masana'antar dumama da kuma maganin zafi. Babban juriyarsa ga scaling, carburetion, da kuma oxidation gabaɗaya ya sa ya zama abin dogaro ga muhalli mai tsauri.
Wannan nau'in bakin karfe ana amfani da shi sosai a aikace-aikacen masana'antu masu zafi sosai kuma ya dace da aikace-aikace inda ƙarfin ƙarfi da juriyar iskar shaka suke da mahimmanci.
Ma'auni da Bayani dalla-dalla
TheASTM A312 UNS S30815 253MA Bakin Karfe Bututuana ƙera shi bisa ga waɗannan ƙa'idodi:
- ASTM A312: Daidaitaccen Bayani na Bututun Bakin Karfe Masu Aiki da Sulɓi, Walda, da Sanyi Mai Yawa
- UNS S30815: Tsarin Lissafi Mai Haɗaka don Kayan Aiki ya gano wannan a matsayin ƙarfe mai ƙarfe mai ƙarfi.
- EN 10088-2: Ma'aunin Turai na Bakin Karfe, wanda ya ƙunshi buƙatun abun da ke cikin wannan kayan, halayen injina, da gwaji.
Sinadarin Sinadarai(% ta Nauyi)
Sinadarin sinadarai na253MA (UNS S30815)an tsara shi ne don samar da kyakkyawan juriya ga iskar shaka da ƙarfin zafin jiki mai yawa. Tsarin da aka saba amfani da shi shine kamar haka:
| Sinadarin | Tsarin (%) |
| Chromium (Cr) | 20.00 - 23.00% |
| Nickel (Ni) | 24.00 - 26.00% |
| Silikon (Si) | 1.50 - 2.50% |
| Manganese (Mn) | 1.00 - 2.00% |
| Carbon (C) | ≤ 0.08% |
| Phosphorus (P) | ≤ 0.045% |
| Sulfur (S) | ≤ 0.030% |
| Nitrogen (N) | 0.10 - 0.30% |
| Baƙin ƙarfe (Fe) | Daidaito |
Kayayyakin Kayan Aiki: Muhimman Halaye
253MA(UNS S30815) ya haɗu da ƙarfin zafi mai kyau da juriya ga iskar shaka. Wannan ya sa ya dace da amfani a cikin mawuyacin yanayi, kamar tanderu da masu musayar zafi. Kayan yana da babban abun ciki na chromium da nickel, yana ba da kyakkyawan juriya ga iskar shaka a yanayin zafi har zuwa 1150°C (2100°F).
Sifofin Jiki
- Yawan yawa: 7.8 g/cm³
- Wurin narkewa: 1390°C (2540°F)
- Tsarin kwararar zafi: 15.5 W/m·K a 100°C
- Takamaiman Zafi: 0.50 J/g·K a 100°C
- Juriyar Lantarki: 0.73 μΩ·m a 20°C
- Ƙarfin Taurin Kai: 570 MPa (mafi ƙaranci)
- Ƙarfin Ba da Kyauta: 240 MPa (mafi ƙaranci)
- Ƙarawa: 40% (mafi ƙaranci)
- Taurin kai (Rockwell B): HRB 90 (mafi girma)
- Modulus na Ragewa: 200 GPa
- Rabon Poisson: 0.30
- Kyakkyawan juriya ga iskar shaka mai zafi, scaling, da carburetion.
- Yana riƙe ƙarfi da kwanciyar hankali a yanayin zafi da ya wuce 1000°C (1832°F).
- Mafi kyawun juriya ga yanayin acidic da alkaline.
- Yana jure wa tsagewar da ke haifar da sulfur da chloride.
- Zai iya jure wa yanayi mai tsauri, wanda hakan ya sa ya dace a yi amfani da shi a fannin sarrafa sinadarai da kuma ayyukan masana'antu masu zafi sosai.
Kayayyakin Inji
Juriyar Iskar Shaka
Juriyar Tsatsa
Tsarin Samarwa: Ƙwarewa don Daidaito
Masana'antu naBututun Bakin Karfe 253MAyana bin sabbin dabarun samarwa don tabbatar da inganci da dorewa:
- Masana'antar Bututu Mara Sumul: Ana samar da shi ta hanyar fitar da bututu, hudawa mai juyawa, da kuma tsawaitawa don ƙirƙirar bututu marasa sumul tare da kauri iri ɗaya na bango.
- Tsarin Aiki a Sanyi: Ana amfani da tsarin zane mai sanyi ko aikin haƙa rami don cimma daidaiton girma da kuma saman da ya yi santsi.
- Maganin ZafiBututun ruwa suna yin maganin zafi a takamaiman yanayin zafi don haɓaka halayen injin su da aikinsu na zafi mai yawa.
- Pickling & Passivation: Ana tsinke bututun don cire fim ɗin sikelin da oxide sannan a cire su don tabbatar da juriya ga ƙarin tsatsa.
Gwaji da Dubawa: Tabbatar da Inganci
Kamfanin Womic Steel ya bi ƙa'idar gwaji mai tsauri don tabbatar da inganci mafi girmaBututun Bakin Karfe 253MA:
- Binciken Sinadaran HalittaAn tabbatar da shi ta amfani da dabarun spectroscopic don tabbatar da cewa ƙarfen ya cika ƙa'idodin da aka ƙayyade.
- Gwajin Inji: Gwajin tauri, tauri, da kuma gwajin tasiri don tabbatar da aikin kayan a yanayin zafi daban-daban.
- Gwajin Hydrostatic: Ana gwada bututu don tabbatar da dorewar matsin lamba don tabbatar da cewa babu zubewa.
- Gwajin da Ba Ya Lalacewa (NDT): Ya haɗa da gwajin ultrasonic, eddy current, da kuma gwajin dye innetrant don gano duk wani lahani na ciki ko saman.
- Dubawa da Dubawa: Ana duba kowane bututun da ido don ganin an gama samansa, kuma ana duba daidaiton girma bisa ga takamaiman bayanai.
Don ƙarin bayani ko wani ƙiyasin da aka saba bayarwa, tuntuɓi Womic Steel a yau!
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Lokacin Saƙo: Janairu-08-2025