Gabatarwa
TheASTM A312 UNS S30815 253MA Bakin Karfe Bututubabban aiki ne austenitic bakin karfe gami da aka sani don jure juriya ga yanayin zafi mai zafi, lalata, da kyawawan kaddarorin inji a cikin yanayin yanayin zafi mai tsayi.253MAan tsara shi musamman don sabis a cikin aikace-aikacen da ke buƙatar kwanciyar hankali mai zafi, musamman a cikin tanderu da masana'antar kula da zafi. Babban juriyarsa ga ƙwanƙwasa, carburization, da oxidation gabaɗaya ya sa ya zama abin dogaro ga matsanancin yanayi.
Wannan nau'i na bakin karfe ana amfani dashi sosai a cikin aikace-aikacen masana'antu masu zafi kuma yana da kyau don aikace-aikace inda duka ƙarfin ƙarfi da juriya na iskar shaka ke da mahimmanci.
Ma'auni da ƙayyadaddun bayanai
TheASTM A312 UNS S30815 253MA Bakin Karfe Bututuana kera ta bisa ka'idoji masu zuwa:
- ASTM A312Matsakaicin Ƙimar Ƙarfe, Welded, da Mugun sanyi Aiki Austenitic Bakin Karfe Bututu
- Saukewa: UNS30815: Tsarin Ƙididdigar Ƙididdigar Ƙididdigar Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfe ya gano wannan a matsayin babban darajar bakin karfe.
- TS EN 10088-2: Matsayin Turai don Bakin Karfe, buƙatun rufewa don abun da ke ciki na wannan abu, kaddarorin injina, da gwaji.
Haɗin Sinadari(% ta Nauyi)
A sinadaran abun da ke ciki na253MA (UNS S30815)an tsara shi don samar da kyakkyawan juriya ga oxidation da ƙarfin zafi mai zafi. Nau'in abun da aka tsara shine kamar haka:
| Abun ciki | Haɗin kai (%) |
| Chromium (Cr) | 20.00 - 23.00% |
| Nickel (Ni) | 24.00 - 26.00% |
| Silicon (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% |
| Iron (F) | Ma'auni |
Abubuwan Abu: Maɓalli Maɓalli
253MA(UNS S30815) ya haɗu da kyakkyawan ƙarfin zafin jiki tare da juriya na iskar shaka. Wannan ya sa ya dace don aikace-aikace a cikin matsanancin yanayi, kamar tanderu da masu musayar zafi. Kayan yana da babban chromium da abun ciki nickel, yana ba da kyakkyawan juriya ga iskar shaka a yanayin zafi har zuwa 1150 ° C (2100 ° F).
Abubuwan Jiki
- Yawan yawa7.8g/cm³
- Matsayin narkewa: 1390°C (2540°F)
- Thermal Conductivity: 15.5 W/m·K a 100°C
- Takamaiman Zafi: 0.50 J/g·K a 100°C
- Resistivity na Lantarki: 0.73 μΩ·m a 20°C
- Ƙarfin Ƙarfin Ƙarfi: 570 MPa (mafi ƙarancin)
- Ƙarfin Haɓaka: 240 MPa (mafi ƙarancin)
- Tsawaitawa: 40% (mafi ƙarancin)
- Hardness (Rockwell B)HRB 90 (mafi girma)
- Modulus na Elasticity: 200 GPA
- Rabon Poisson: 0.30
- Kyakkyawan juriya ga oxidation mai zafin jiki, scaling, da carburization.
- Yana riƙe ƙarfi da samar da kwanciyar hankali a yanayin zafi sama da 1000°C (1832°F).
- Babban juriya ga yanayin acidic da alkaline.
- Mai jurewa ga sulfur da chloride mai haifar da lalatawar damuwa.
- Zai iya jure yanayin yanayi mai ban tsoro, yana mai da shi manufa don amfani a cikin sarrafa sinadarai da matakan masana'antu masu zafi.
Kayayyakin Injini
Resistance Oxidation
Juriya na Lalata
Tsarin samarwa: Sana'a don Daidaitawa
Masana'antu na253MA Bakin Karfe Bututuyana bin sabbin dabarun samarwa don tabbatar da inganci da karko:
- Manufacturing Bututu mara sumul: Samar da ta hanyar extrusion, rotary sokin, da elongation tafiyar matakai don haifar da m bututu tare da uniform kauri bango.
- Tsarin Aiki na Sanyi: Ana amfani da zane mai sanyi ko tafiyar hajji don cimma madaidaicin girma da filaye masu santsi.
- Maganin Zafi: Bututu suna shan magani mai zafi a ƙayyadaddun yanayin zafi don haɓaka kayan aikin injin su da yanayin zafi mai zafi.
- Pickling & Passivation: The bututu suna pickled don cire sikelin da oxide fina-finai da passivated don tabbatar da juriya ga kara lalata.
Gwaji da dubawa: Tabbacin inganci
Womic Karfe yana bin ƙaƙƙarfan ƙa'idar gwaji don tabbatar da mafi kyawun inganci don253MA Bakin Karfe Bututu:
- Binciken Haɗin Sinadari: Tabbatarwa ta amfani da dabarun duban gani don tabbatar da cewa gami ya haɗu da ƙayyadaddun abubuwan ƙira.
- Gwajin Injini: Ƙunƙara, taurin, da gwajin tasiri don tabbatar da aikin kayan aiki a yanayin zafi daban-daban.
- Gwajin Hydrostatic: Ana gwada bututu don jurewar matsin lamba don tabbatar da aikin da ba ya zubarwa.
- Gwajin mara lalacewa (NDT): Ya haɗa da ultrasonic, eddy current, da gwajin shigar rini don gano kowane lahani na ciki ko saman.
- Duban Gani & Girma: Ana duba kowane bututu na gani don ƙare saman ƙasa, kuma ana duba daidaiton girma da ƙayyadaddun bayanai.
Don ƙarin bayani ko faɗar al'ada, tuntuɓi Karfe Womic a yau!
Imel: sales@womicsteel.com
MP/WhatsApp/WeChat:Victor:+86-15575100681 Jack: +86-18390957568
Lokacin aikawa: Janairu-08-2025