304 Bakin Karfe
304 bakin karfe ne na kowa austenitic bakin karfe, kuma aka sani da 18/8 bakin karfe a cikin masana'antu. Ya ƙunshi kusan 18% chromium da 8% nickel, tare da yawa na 7.93 g/cm³. Yana da kyakkyawan juriya na lalata, kyakkyawan juriya na zafi, ƙarancin ƙarfin zafin jiki - da cikakkun kayan aikin injiniya.
Haɗin Sinadari
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
|
|
Min |
- |
- |
- |
- |
- |
18 |
8 |
|
Max |
0.08 |
1 |
2 |
0.045 |
0.03 |
20 |
11 |
Kayayyakin Kayayyaki
|
Yawan yawa |
Matsayin narkewa |
Mafi ƙarancin kayan aikin injina a zafin daki |
||
|
Ƙarfin Ƙarfin Ƙarfi |
Ƙarfin Haɓaka |
Tsawaitawa |
||
|
g/cm3 |
digiri |
Rm N/mm2 |
Rp0.2N/mm2 |
A5% |
|
7.93 |
1400~1450 |
515 |
205 |
40% |
Siffar
304 sanannen bakin karfe ne na austenitic wanda ya shahara saboda kyakkyawan juriya na lalata, iya aiki, da weldability. Yana baje kolin ƙaƙƙarfan aikin ɓata{2} a cikin mahalli mai oxidizing da yanayin yanayi, yana sa ya dace da aikace-aikace iri-iri.
Tare da babban tauri da filastik (ƙarawa Mafi Girma ko daidai da 40%), 304 yana da sauƙin sanyi{2}} tsari, kuma ya kasance ba -maganin magnetic a cikin bayani-yanayin da aka shafe (ko da yake ɗan maganadisu na iya tasowa bayan aikin sanyi). Yana nuna kyakkyawan juriya mai girma{6}}, yana ba da damar dogon lokaci{7}} amfani a yanayin zafi har zuwa digiri 870. Duk da haka, yana da saukin kamuwa da lalatawar damuwa (SCC) a cikin chloride{10}mai ɗauke da mahalli, waɗanda yakamata a yi la'akari da su don wasu aikace-aikace.
Aikace-aikace
Ana amfani da wannan kayan a ko'ina a fagage daban-daban saboda kyakkyawan juriya na lalata, iya aiki, da farashi{0} inganci, gami da kayan ado na gine-gine (bangon labule, kayan aikin hannu), abinci da abinci (kayan girki, kayan sarrafa kayan aiki), magunguna da magunguna (kayan aiki, kwantena), sunadarai da makamashi (tankunan ajiya, bututu), sufuri (bankunan mota, kayan aikin dogo), kayan aikin gida da kayan aikin dogo. kayan lantarki (gidaje, kayan aikin gini), masana'antu na masana'antu (bankunan injina), kula da ruwan muhalli (tankunan ruwa, bututun ruwa), da kuma abubuwan yau da kullun. Ya dace musamman ga wurare masu laushi masu lalacewa.
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