321 bakin karfe 4.0 * 0.35 mm naɗaɗɗen bututu
321 ne a titanium stabilized chromium-nickel austenitic bakin karfe da mai kyau ƙarfi da kuma kyau kwarai lalata juriya, kamar yadda kawota a cikin annealed yanayin tare da hankula brinell taurin 175. Characterized da high lalata juriya a general yanayi lalata yanayi yana nuna kyakkyawan juriya ga mafi yawan oxidizing. wakilai, kayan abinci na gabaɗaya, mafita na bacin rai, rini, galibin sinadarai na halitta da nau'ikan sinadarai iri-iri, da iskar gas mai zafi, gas ɗin konewar tururi, nitric acid, da ƙaramin adadin sulfuric acid.Yana nuna kyakkyawan juriya na iskar shaka a yanayin zafi mai tsayi yana da kyakkyawan juriya ga lalatawar intergranular kuma yana da kyakkyawan walƙiya.321 ba za a iya taurare ta hanyar thermal magani ba, amma ƙarfi da taurin za a iya ƙara da yawa ta wurin aikin sanyi, tare da raguwa na gaba a cikin ductility.
An yi amfani da shi sosai don aikace-aikace inda ƙari na titanium da tasirinsa na daidaitawa azaman nau'in halittar carbide ya ba shi damar walda da/ko amfani da shi a cikin kewayon hazo na carbide 430oC-870oC ba tare da haɗarin lalata intergranular ba.Waɗannan sun haɗa da sarrafa Abinci, Kayan Kiwo, Chemical, Petrochemical, Sufuri da masana'antu masu alaƙa da sauransu.
Abubuwan da ba Magnetic ba a cikin yanayin da aka rufe, amma zai iya zama ɗan ƙaramin maganadisu bayan aikin sanyi mai nauyi.
Ana buƙatar annealing don gyara idan ya cancanta.
NB Mafi kyawun juriya na lalata yana samuwa a cikin yanayin da aka rufe.
| Ostiraliya | AS 2837-1986-321 |
| Jamus | W.Nr 1.4541 X6CrNiTi18 10 |
| Biritaniya | BS970 Sashe na 3 1991 321S31 BS970 - 1955 EN58B/EN58C |
| Japan | JIS G4303 SuS 321 |
| Amurka | Saukewa: ASTM A276-98B321 SAE 30321 AISI 321 Saukewa: UNS32100 |
| Haɗin Sinadari | |||||||||||
| Min.% | Matsakaicin % | ||||||||||
| Carbon | 0 | 0.08 | |||||||||
| Siliki | 0 | 1.00 | |||||||||
| Manganese | 0 | 2.00 | |||||||||
| Nickel | 9.00 | 12.00 | |||||||||
| Chromium | 17.00 | 19.00 | |||||||||
| Titanium | 5 x Carbon | 0.80 | |||||||||
| Phosphorous | 0 | 0.045 | |||||||||
| Sulfur | 0 | 0.03 | |||||||||
| Abubuwan Bukatun Kayan Injini - An haɗa su zuwa ASTM A276-98b 321 | |||||||||||
| Gama | Zafi Gama | Gama Sanyi | |||||||||
| Dia ko Kauri mm | Duka | Har zuwa 12.7 | Fiye da 12.7 | ||||||||
| Ƙarfin Temsile Mpa Min. | 515 | 620 | 515 | ||||||||
| Ƙarfin Haɓaka Mpa Min. | 205 | 310 | 205 | ||||||||
| Tsawaitawa cikin 50mm% Min. | 40 | 30 | 30 | ||||||||
| Hannun Kayayyakin Injini A Yanayin Zazzaɓin Daki – An Rage | |||||||||||
| Gama | Sanyi Zane | Sauran | |||||||||
| Ƙarfin Tensile Mpa | 680 | 600 | |||||||||
| Ƙarfin Haɓaka Mpa | 500 | 280 | |||||||||
| Tsawon 50mm% | 40 | 55 | |||||||||
| Tasirin Charpy VJ | 180 | ||||||||||
| Tauri | HB | 200 | 165 | ||||||||
| Rc | 15 | ||||||||||
| Haɓaka Yanayin Zazzabi | |||||||||||
| 321 yana nuna kyakkyawan juriya na iskar oxygen a ci gaba da sabis har zuwa 930oC, kuma a cikin sabis na wucin gadi har zuwa 870oHakanan ana iya amfani da shi a cikin kewayon hazo carbide 430oC-870oC ba tare da haɗarin lalata intergranular ba.Ana rage kaddarorin injina yayin da zafin jiki ya karu.
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| Hannun Kayayyakin Injini - An haɗa shi a Maɗaukakin Zazzabi | |||||||||||
| ZazzabioC | 20 | 430 | 550 | 650 | 760 | 870 | |||||
| Gwaje-gwajen Ƙarƙashin Lokaci | Ƙarfin Tensile Mpa | 580 | 425 | 365 | 310 | 205 | 140 | ||||
| Ƙarfin Haɓaka Mpa | 240 | 170 | 150 | 135 | 105 | 70 | |||||
| Tsawon 50mm% | 60 | 38 | 35 | 32 | 33 | 40 | |||||
| Gwaje-gwaje masu rarrafe | Damuwa don 1% Cep a cikin Awanni 10,000 Mpa | 115 | 50 | 14 | |||||||
| Ƙananan Zazzabi Properties | |||||||||||
| 321 yana da kyawawan ƙayyadaddun ƙarancin zafin jiki tare da ƙãra ƙwanƙwasa da ƙarfin samar da ƙarfi tare da ƙarancin ƙarancin tauri a cikin yanayin da aka rufe. | |||||||||||
| Hannun Kayayyakin Injini - An haɗa su a Sifili da Zazzabi na ƙasa da ƙasa | |||||||||||
| ZazzabioC | 0 | -70 | -130 | -180 | -240 | ||||||
| Tensile Strengt Mpa | 740 | 900 | 1135 | 1350 | 1600 | ||||||
| Ƙarfin Haɓaka Mpa | 300 | 340 | 370 | 400 | 450 | ||||||
| Tsawon 50mm% | 57 | 55 | 50 | 45 | 35 | ||||||
| Tasirin Charpy J | 190 | 190 | 186 | 186 | 150 | ||||||
