Amurka Standard ASTM A588 Corten Karfe Plate Piling da Tsarin Karfe Truss Bridge

ASTM A588 yana rufe babban ƙarfi ƙananan sifofi na ƙarfe, faranti, da sanduna don welded, riveted, ko bolted gini amma an yi niyya da farko don amfani a cikin gadoji na walda da gine-gine inda tanadi cikin nauyi ko ƙarin dorewa yana da mahimmanci.

ASTM A588 babban ƙarfi ƙananan ƙayyadaddun ƙayyadaddun ƙarfe mai ƙarfi tare da ingantaccen ƙarfi da haɓaka juriya na yanayi don sifofin ƙarfe na tsarin kamar kusurwoyi, tashar da katako, da farantin karfe da sanduna.Ana amfani da ASTM A588 da farko don:
Gadajen Tafiya
Babbar Hanya Gadar Ginders da sauran abubuwan gada
Gina jirgin ruwa
Tankuna
Motocin dogo da kwantena
Yin shinge
Sculptures

Ƙayyadaddun A588 an yi niyya da farko don amfani a aikace-aikacen da ba a fenti ba, inda tanadi a cikin nauyi ko ƙarin dorewa yana da mahimmanci tare da tsawon rayuwar rayuwa saboda kaddarorin juriya na lalata da/ko don cimma bayyanar kyakkyawa.

Juriya na lalata yanayi na A588 ya fi na carbon karfe kamar A36 da A572-50 tare da ko ba tare da ƙari na jan karfe ba.Lokacin da aka tsara da kyau da kuma fallasa zuwa yanayi, A588 ya dace da aikace-aikace da yawa a cikin yanayin da ba a fenti ba.

ASTM A588 yana da mafi ƙarancin ƙarfin amfanin gona na 50ksi da ƙaramin ƙarfi na 70ksi.

Rabewa:
1. High weathering karfe
Ƙarfe mai ƙarfin juriya na yanayi shine ƙara ƙaramin adadin jan ƙarfe, phosphorus, chromium, da abubuwan nickel a cikin ƙarfe don samar da wani shinge mai kariya a saman haɗin gwiwar ƙarfe don inganta aikin ƙarfe a kan lalata yanayi.Hakanan zaka iya ƙara ƙaramin adadin molybdenum, niobium, abubuwa kamar vanadium, titanium da zirconium na iya tsaftace hatsi, haɓaka kayan aikin injiniya na ƙarfe, haɓaka ƙarfi da taurin ƙarfe, rage saurin jujjuyawa, da sanya shi yana da. mafi kyawun juriya ga karaya.
2. Weathering karfe don walda tsarin
Abubuwan da aka ƙara zuwa matakin ƙarfe, ban da phosphorus, asali iri ɗaya ne da ƙaƙƙarfan tsarin juriya na yanayi, kuma ayyukansu iri ɗaya ne kuma suna haɓaka aikin walda.

Siffofin:

Weathering karfe yana da halaye na tauri, filastik mikewa, forming, waldi da yankan, sa juriya, high zafin jiki juriya da gajiya juriya na high quality-karfe;weather juriya ne 2-8 sau cewa na talakawa carbon karfe, da shafi yi ne 1.5 na talakawa carbon karfe.-10 sau, da shafi yi ne 1.5-10 sau na talakawa carbon karfe, za a iya amfani da bakin ciki shafi, danda shafi ko Sauƙaƙa shafi.Wannan karfe yana da halayen anti-tsatsa, juriya na lalata, tsawon rayuwa, raguwa da rage amfani, ceton aiki da makamashi, wanda ke amfana da masana'antun da masu amfani.Weathering karfe yana da mafi kyau lalata juriya a cikin yanayi.Karfe na yanayi na iya zama bakin ciki, fallasa ko fenti kawai.Tsarin karfe tare da juriya na lalata, haɓaka rayuwa, ceton aiki, rage yawan amfani da haɓakawa kuma sabon tsari ne, sabon fasaha da sabon tsari wanda za'a iya haɗa shi cikin ƙarfe na zamani, ta yadda zai iya ci gaba da haɓakawa da haɓakawa.Tsarin karfe.

Amfani:

Yanayi karfe an yi shi da karfen carbon na yau da kullun tare da ƙaramin adadin abubuwa masu jure lalata kamar jan ƙarfe da nickel.Yana da halaye na ƙarfin ƙarfe, ductility, forming, waldi, abrasion, high zafin jiki, gajiya, da dai sauransu;yanayin juriya ne 2 ~ 8 na talakawa carbon karfe A shafi yi ne 1.5 ~ 10 sau na talakawa carbon karfe, wanda za a iya amfani da a cikin bakin ciki, danda ko Saukake shafi.Karfe yana da halaye na juriya na tsatsa, juriya na lalata da tsawon rai na abubuwan da aka gyara, raguwa da rage yawan amfani, da yanayin ceton aiki da kuzari, waɗanda ke amfanar masana'antun da masu amfani da kayan.

Aikace-aikace:

Amfani da babban juriya tsarin karfe ya fi ƙarfin yanayin juriya don tsarin walda saboda juriyar lalatawar yanayi.An fi amfani da shi don bolting, riveting da walda sassa na gine-gine don motoci, kwantena, gine-gine, hasumiyai da sauran gine-gine.Lokacin da aka yi amfani da shi azaman sassa na tsari na walda, kaurin karfe bai kamata ya fi 16mm girma ba.Ayyukan walda na ƙarfe na yanayi don tsarin welded ya fi na ƙarfe mai tsayin yanayi, kuma ana amfani da shi ne don sassaƙa tsarin sassa na gadoji, gine-gine da sauran gine-gine.