Gano lahani na farantin ƙarfe na ASTM-SA516Gr60Z35:
1. Matsayin zartarwa na SA516Gr60: Matsayin ASTM na Amurka, ASME
2. SA516Gr60 na cikin jirgin ruwa mai ƙarancin matsin lamba tare da farantin ƙarfe na carbon
3. Sinadarin sinadarai na SA516Gr60
C≤0.30, Mn: 0.79-1.30, P≤0.035, S: ≤0.035, Si: 0.13-0.45.
4. Kayan aikin injiniya na SA516Gr60
Ƙarfin juriya na SA516Gr60 na fam dubu 70/murabba'in inci, babban abun ciki na kayan shine C Mn Si ps iko yana ƙayyade aikinsa. Sauran abubuwan da aka gano ƙasa da haka. Matsakaicin Bayani na Asme don faranti na ƙarfe na carbon don tasoshin matsin lamba na matsakaici da ƙarancin zafin jiki.
5. Matsayin isar da SA516Gr60
Farantin ƙarfe na SA516Gr60 yawanci ana bayar da shi a yanayin birgima, farantin ƙarfe kuma ana iya daidaita shi ko rage damuwa, ko daidaita shi da tsarin rage damuwa.
Ya kamata a daidaita farantin ƙarfe na SA516Gr60 da kauri fiye da 40mm.
Sai dai idan mai buƙata ya ƙayyade wani abu daban, ya kamata a daidaita kauri na farantin ƙarfe ≤1.5in, (40mm), idan akwai buƙatun tauri mai ƙarfi.
6. Ana amfani da SA516Gr60 don kera kwantena na walda mai layi ɗaya, kwantena na walda mai layi mai layi ɗaya, kwantena na miya mai layi ɗaya da sauran nau'ikan kwantena biyu da uku da tasoshin matsin lamba mai ƙarancin zafin jiki. Ana amfani da shi sosai a cikin man fetur, masana'antar sinadarai, tashar wutar lantarki, tukunyar jirgi da sauran ayyuka, ana amfani da shi sosai a cikin kera reactors, masu musayar zafi, masu rabawa, tankunan mai, tankunan mai da iskar gas, tankunan iskar gas mai ruwa, ganga na tukunya, silinda mai tururi mai ruwa, bututun ruwa mai matsin lamba na tashar samar da wutar lantarki, volute na turbine da sauran kayan aiki da abubuwan haɗin gwiwa.
7. Idan aka sanyaya austenite a hankali (daidai da sanyaya tanderu, kamar yadda aka nuna a Hoto na 2 V1), kayayyakin canzawa suna kusa da tsarin daidaito, wato pearlite da ferrite. Tare da karuwar saurin sanyaya, wato, lokacin da V3>V2>V1, rashin sanyaya austenite a hankali yana ƙaruwa, kuma adadin ferrite da aka sanyaya ya ragu, yayin da adadin pearlite a hankali yake ƙaruwa, kuma tsarin ya zama ƙarami. A wannan lokacin, ƙaramin adadin ferrite da aka sanyaya ya fi yaɗuwa a kan iyakar hatsi.
8. Saboda haka, tsarin v1 shine ferrite+pearlite; Tsarin v2 shine ferrite+sorbite; Tsarin micro na v3 shine ferrite+troostite.
9. Idan yawan sanyaya ya kai v4, ƙaramin adadin ferrite da troostite na hanyar sadarwa (wani lokacin ana iya ganin ƙaramin adadin bainite) za su fashe, kuma austenite galibi ana canza shi zuwa martensite da troostite; Idan ƙimar sanyaya v5 ta wuce ƙimar sanyaya mai mahimmanci, ƙarfen zai canza gaba ɗaya zuwa martensite.
10. Sauyawar ƙarfen hypereutectoid yayi kama da na ƙarfen hypoeutectoid, tare da bambancin cewa ferrite yana fara fashewa a cikin na ƙarshe da kuma siminti yana fara fashewa a cikin na farko.
Lokacin Saƙo: Disamba-14-2022
