ASTM, wanda aka sani da Ƙungiyar Gwaji da Kayan Aiki ta Amurka, ƙungiya ce mai tasiri a duniya wacce ta sadaukar da kanta ga haɓakawa da buga ƙa'idodi ga masana'antu daban-daban. Waɗannan ƙa'idodi suna ba da hanyoyin gwaji iri ɗaya, ƙayyadaddun bayanai da jagororin masana'antar Amurka. An tsara waɗannan ƙa'idodi don tabbatar da inganci, aiki, da amincin samfura da kayan aiki da kuma sauƙaƙe gudanar da harkokin kasuwancin ƙasa da ƙasa cikin sauƙi.
Bambancin da kuma yadda ake amfani da ka'idojin ASTM ya shafi fannoni daban-daban, ciki har da, amma ba'a iyakance ga, kimiyyar kayan aiki, injiniyan gini, sinadarai, injiniyan lantarki, da injiniyan injiniya ba. Ka'idojin ASTM sun shafi komai tun daga gwaji da kimanta kayan aiki zuwa buƙatu da jagora yayin ƙira, samarwa, da amfani da samfura.
ASTM A36/A36M:
Tsarin ƙa'idodi na yau da kullun don ƙarfe wanda ya ƙunshi buƙatun ƙarfen carbon na tsari don gini, ƙera, da sauran aikace-aikacen injiniya.
Farantin Karfe na A36Ka'idojin Aiwatar da Aiki
Ma'aunin aiwatarwa ASTM A36/A36M-03a, (daidai yake da lambar ASME)
Faranti na A36amfani
Wannan ƙa'ida ta shafi gadoji da gine-gine masu sifofi masu ƙyalli, masu ɗaurewa da kuma waɗanda aka haɗa da walda, da kuma sassan ƙarfe masu inganci na tsarin gabaɗaya, faranti da sanduna. Yawan amfanin farantin ƙarfe na A36 a cikin kusan 240MP, kuma zai ƙaru da kauri na kayan don rage ƙimar amfanin ƙasa, saboda matsakaicin abun ciki na carbon, aikin gabaɗaya na mafi kyau, ƙarfi, laushi da walda da sauran kaddarorin don samun daidaito mafi kyau, wanda aka fi amfani da shi sosai.
A36 sinadaran abun da ke ciki na farantin karfe:
C: ≤ 0.25, Si ≤ 0.40, Mn: ≤ 0.80-1.20, P ≤ 0.04, S: ≤ 0.05, Cu ≥ 0.20 (lokacin da aka tanadar da ƙarfe mai ɗauke da jan ƙarfe).
Kayayyakin injiniya:
Ƙarfin samarwa: ≥250.
Ƙarfin juriya: 400-550.
Tsawaita tsayi: ≥20.
Ma'aunin ƙasa da kayan A36 suna kama da Q235.
Lokacin Saƙo: Yuni-24-2024
