Lalacewar nau'i na LSAW karfe bututu surface

LSAW karfe bututuan kafa shi ta saman Layer na bakin ciki mai ƙarfi da kwanciyar hankali na fim mai wadatar oxide mai kyau na chromium (fim mai kariya), don hana ci gaba da kutsawa na atom ɗin oxygen, zuwa iskar oxygen, da samun dama ga ikon lalata.Idan akwai wasu dalilai, wannan fim shi ne m lalacewa, iska ko ruwa oxygen ko karfe atom za su ci gaba da shiga cikin baƙin ƙarfe zarra daga m bincike na samuwar sako-sako da baƙin ƙarfe oxide, karfe surface lalata zai zama kullum .Wannan fim ɗin saman a cikin nau'in lalacewa mai yawa, wanda ya fi kowa a rayuwar yau da kullun an taƙaita shi kamar haka:

1 LSAW karfe bututu surface ajiya samfurin tare da wasu karafa dauke da ƙura barbashi ko iri-iri na karfe gyarawa a cikin m iska, da bakin karfe gyara tsakanin condensate, biyu tare a cikin wani micro-batir, haifar da lantarki sinadaran halayen, m film lalace, kira shi cewa electrochemical lalata.

2 Madaidaicin bututu surface mannewa Organic ruwan 'ya'yan itace (kamar kayan lambu, miya, sputum, da dai sauransu), oxygen a cikin ruwa yanayin, kunshi Organic acid, Organic acid dogon shi ne lalata da karfe saman.

3 LSAW karfe bututu surface mannewa tare da acid, alkali, salts (kamar bango ado lye, lemun tsami fantsama), haddasa gida lalata.

4 a cikin gurɓataccen iska (wanda ke ɗauke da adadi mai yawa na sulfide, carbon dioxide, nitrogen oxide yanayi), yanayin daɗaɗɗen ruwa don samar da sulfuric acid, nitric acid, acetic acid bayani batu, haifar da lalata sinadarai.

Abubuwan da aka bayar na LSAW

;LSAW karfe bututu diamita a cikin kewayon tsakanin 406 ~ 1600mm, a cikin na kwarai lokuta ma fiye, da rabo daga bango kauri da diamita na game da 0.06 zuwa 0.08.Fasahar waje na zamani na iya samar da bututu har zuwa kauri na bangon 100mm.

Masana'antu samar da karfe farantin karfe ko LSAW karfe bututu kawai 'yan hanyoyi, manufa bambanci ne Hanyar forming karfe bututu, karfe bututu bayan forming da bin tsari ne m guda.Methodological ka'idojin kafa weld dogara ne a kan rarraba karfe, bisa ga rarraba bututu zuwa weld biyu asali siffofin: madaidaiciya kabu da karkace kabu karfe bututu.Daidai da wannan, madaidaiciyar kabu welded bututu samar a cikin samarwa da kuma samar da karkace kabu bututu.Madaidaicin kabu da kuma karkace kabu karfe bututu mafi yadu amfani hanya ne submerged baka waldi (SAW), da kyau ingancin, high yawan aiki, fasaha ne balagagge da kuma barga.A halin yanzu, madaidaiciyar bututun ƙarfe na ƙarfe da aka yi amfani da su a ƙasashen waje kamar kewayon: jigilar ƙasa da teku, bututun ruwa da gangar mai;jigilar sinadarai da samfuran sinadarai na bututu mai bakin karfe;tsarin masana'antar ruwa tare da bututu;tukunyar jirgi masana'antu da musamman manufa bututu tsarin tube.