UNS S31254/254SMo Plate Tube Rod Super Austenitic Bakin Karfe S31254
Samfuran Samfura
Bututu mara nauyi, Faranti, Sanda, Forgings, Fasteners, Kayan aikin bututu.
Ka'idojin samarwa
| Samfura | ASTM |
| Bars, tube da bayanan martaba | 276, A 484 |
| Plate, Sheet da Strip | 240, A 480 |
| Bututu marasa ƙarfi da Welded | A 312, A 999 |
| Bututu mai walda | 814, A 999 |
| Kayayyakin bututu marasa ƙarfi da Welded | 269, A 1016 |
| Kayan aiki | 403, A960 |
| Filayen bututun jabu ko birgima da kayan aikin jabu | 182, A961 |
| Forgings | 473, A 484 |
Haɗin Sinadari
| % | Fe | Cr | Ni | Mo | C | Mn | Si | P | S | Cu | N |
| Min | daidaitacce | 19.5 | 17.50 | 6.0 |
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| 0.5 | 0.18 |
| Max | 20.5 | 18.50 | 6.5 | 0.02 | 1.00 | 0.80 | 0.03 | 0.01 | 1.0 | 0.22 |
Abubuwan Jiki
| Yawan yawa | 8.24 g/cm 3 |
| Narkewa | 1320-1390 ℃ |
254SMo Material Properties
254SMO shine bakin karfe austenitic.Saboda babban abun ciki na molybdenum, yana da matukar juriya ga ramuka da lalata.An haɓaka wannan nau'in bakin karfe kuma an haɓaka shi don amfani da shi a cikin mahalli masu ɗauke da halide kamar ruwan teku.254SMO kuma yana da kyakkyawan juriya ga lalata iri ɗaya.Musamman ma a cikin sinadarai masu dauke da halide, karfe ya fi na bakin karfe na yau da kullun.C ya ƙunshi<0.03%, don haka ana kiransa tsarkakakken austenitic bakin karfe (<0.01% kuma ana kiransa super austenitic bakin karfe).Super bakin karfe wani nau'in bakin karfe ne na musamman.Da farko, ya bambanta da talakawa bakin karfe a cikin sinadaran abun da ke ciki.Yana nufin wani babban gami da bakin karfe dauke da babban nickel, high chromium da high molybdenum.Daga cikin su, wanda ya fi shahara shi ne 254SMo dauke da 6% Mo. Irin wannan karfe yana da kyakkyawan juriya na lalata gida, kuma yana da kyakkyawan juriya na lalata (PI≥40) kuma Yana da mafi kyawun juriya na damuwa kuma yana maye gurbin Ni- tushen gami da titanium gami.Abu na biyu, dangane da juriya mai tsayi ko juriya na lalata, yana da mafi kyawun juriya na zafin jiki ko juriya na lalata, wanda ba za a iya maye gurbinsa da bakin karfe 304 ba.Bugu da kari, daga rarrabuwa na bakin karfe, metallographic tsarin na musamman bakin karfe ne barga austenite metallographic tsarin.
Tun da wannan na musamman bakin karfe ne mai high-alloy abu, da masana'antu tsari ne quite rikitarwa.Gabaɗaya, mutane za su iya dogara ga tsarin gargajiya kawai don kera wannan bakin karfe na musamman, kamar jiko, ƙirƙira, birgima da sauransu.
254SMo Yankunan Aikace-aikacen Abu
1. Teku: Tsarin ruwa a cikin yanayin marine, desalination na ruwa, ruwan tekun ruwa, musayar zafi na teku, da dai sauransu.
2. Filin kariyar muhalli: na'urar da za ta lalata bututun iskar gas don samar da wutar lantarki, kula da ruwan sha, da dai sauransu.
3. Filin makamashi: samar da makamashin nukiliya, cikakken amfani da kwal, samar da wutar lantarki na teku, da dai sauransu.
4. Filin Petrochemical: tace mai, sinadarai da kayan aikin sinadarai, da dai sauransu.
5. Filin abinci: yin gishiri, soya miya, da sauransu.
6. Babban yanayin ion chloride mai girma: masana'antar takarda, na'urorin bleaching daban-daban
