ASTM, wanda aka fi sani da Ƙungiyar Gwaje-gwaje da Kayayyakin Amirka, ƙungiya ce mai tasiri ta duniya da aka keɓe don haɓakawa da buga ma'auni na masana'antu daban-daban. Waɗannan ƙa'idodin suna ba da hanyoyin gwaji iri ɗaya, ƙayyadaddun bayanai da jagororin masana'antar Amurka. An tsara waɗannan ka'idoji don tabbatar da inganci, aiki, da amincin samfura da kayan aiki da sauƙaƙe gudanar da kasuwancin ƙasa da ƙasa cikin sauƙi.
Bambance-bambance da ɗaukar nauyin ma'auni na ASTM yana da yawa kuma yana rufe fannoni daban-daban ciki har da, amma ba'a iyakance ga, kimiyyar kayan aiki, injiniyan gine-gine, sunadarai, injiniyan lantarki, da injiniyan injiniya.Ma'auni na ASTM sun rufe komai daga gwaji da kimantawa na albarkatun kasa. zuwa buƙatun da jagora yayin ƙirar samfur, samarwa, da amfani.
ASTM A36/A36M:
Daidaitaccen ƙayyadaddun ƙayyadaddun ƙarfe wanda ke rufe buƙatun tsarin ƙarfe na carbon don gini, ƙirƙira, da sauran aikace-aikacen injiniya.
A36 Karfe PlateKa'idojin tilastawa
Matsayin aiwatarwa ASTM A36/A36M-03a, (daidai da lambar ASME)
A36amfani
Wannan misali ya shafi gadoji da gine-gine tare da riveted, bolted da welded Tsarin, kazalika da janar-manufa tsarin karfe ingancin carbon karfe sassa, faranti da sanduna.A36 karfe farantin yawan amfanin ƙasa a game da 240MP, kuma zai ƙara da kauri daga cikin kayan zuwa. sa ƙimar amfanin ƙasa ta ragu, saboda matsakaicin abun ciki na carbon, aikin gabaɗaya na mafi kyau, ƙarfi, filastik da walda da sauran kaddarorin don samun ingantacciyar wasa, mafi yawan amfani.
A36 karfe farantin sinadaran abun da ke ciki:
C: ≤ 0.25, Si ≤ 0.40, Mn: ≤ 0.80-1.20, P ≤ 0.04, S: ≤ 0.05, Cu ≥ 0.20 (lokacin da aka samar da ƙarfe mai ƙarfe).
Kaddarorin injina:
Ƙarfin ƙima: ≥250 .
Ƙarfin ƙarfi: 400-550.
Tsawaitawa: ≥20.
Matsayin ƙasa da kayan A36 yayi kama da Q235.
Lokacin aikawa: Juni-24-2024
