1.309s bakin karfe daraja
Alamar da ta dace a China ita ce 06Cr23Ni13;Amercia Standard S30908, AISI, ASTM;JIS G4305 misali sus;Matsayin Turai 1.4833.
309s yana ƙunshe da sulfur kyauta yankan bakin karfe, ana amfani da shi don babban yankan kyauta da yanayi mai haske / tsaftataccen yanayi.
309 s shine ƙananan bambancin abun ciki na carbon na bakin karfe 309, ana amfani da walda don bikin.Low carbon abun ciki da aka sanya a cikin zafi shafi yankin kusa da weld a cikin hazo na carbide zuwa mafi m, kuma zai iya haifar da hazo na carbide bakin karfe intergranular lalata a wasu muhallin (welding yashwa).
2.309S Musamman
Yana iya jure maimaita dumama karkashin 980 ℃, yana da mafi girma ƙarfi da hadawan abu da iskar shaka juriya, high zafin jiki carburizing yi.
3.Tsarin Kemikal
| C | Si | Mn | P | S | Cr | Ni | Mo | Sauran |
| ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | ≤22-24 | ≤12-15 | - | - |
4. Abubuwan Jiki
1) Ƙarfin Haɓaka / MPa: ≥ 205
2) Ƙarfin Ƙarfi / MPa: ≥515
3) Tsawaitawa /%: ≥ 40
4) Rage Wuri/%:≥50
5.309S Aikace-aikace
309s kayan wuta ne masu amfani da wuta.
Ana amfani da 309s sosai a cikin tukunyar jirgi, makamashi (ikon nukiliya, ikon thermal, man fetur), tanderun masana'antu, incinerator, tanderun dumama, sinadarai, petrochemical da sauran mahimman wurare.
Lokacin aikawa: Agusta-03-2023
