A fagenkarfe bututu, Ma'auni na baka welded madaidaiciya bututun karfe suna da mahimmanci.Ɗaya daga cikin ma'auni shine GB/T3091-2008, wanda ke rufe nau'ikan bututun ƙarfe na madaidaiciya, kamar juriya mai tsayi.welded (ERW) karfe bututu, nutsewar bakawelded (SAWL) karfe bututuda karkace kabu submerged baka welded (SAWH) karfe bututu.) Karfe bututu.
Don jigilar ruwa mara ƙarfi, GB/T3091-2008 kuma ya ba da shawarar amfani dagalvanized welded karfe bututu.Wadannan bututun karfe masu waldaran lantarki, wadanda aka fi sani da farar bututu, ana amfani da su wajen safarar ruwa, iskar gas, iska, mai, dumama tururi, ruwan dumi da dai sauransu. Bayanin dalla-dalla na wadannan bututun karfe an bayyana su da diamita mara kyau, da diamita na waje da bango. kauri ya bi ka'idodin GB/T21835.Haka kuma, tsawon bututun karfe zai iya zuwa daga 300mm zuwa 1200mm, kuma yana iya zama tsayayyen tsayi ko tsayi biyu.
Lokacin da yazo da batutuwa masu inganci, zafin jiki yayin aikin huda yana da babban tasiri.Thermal faɗaɗa bututun karfe yawanci kai yanayin zafi a kusa da 1200C, ko da yake carbon abun ciki da alloying abubuwa na iya rage zafi kadan.Wani muhimmin al'amari da za a yi la'akari da shi shine rage yawan ma'auni a lokacin zafi mai zafi, saboda wannan zai iya rinjayar rayuwar kayan aiki da ingancin saman.
Ayyukan dumama tsari ne mai mahimmanci a cikin samar da16Mn madaidaiciyar kabu karfe bututu.Tunda yawancin sarrafawa yana faruwa a cikin yanayi mai zafi, daidaitaccen kula da zafin jiki na dumama yana da mahimmanci don tabbatar da ingancin samfurin ƙarshe.
Don kiyaye inganci da ƙa'idodi, sarrafa zafin jiki yayin sarrafa huda yana da mahimmanci.A madaidaiciya kabu karfe bututu misali GB/T3091-2008 ƙayyadaddu da halatta sabawa a size, siffar, nauyi da kuma m diamita da bango kauri.Maɓallin ƙaƙƙarfan ƙaƙƙarfan kauri na bango ya bambanta bisa ga ƙimar karkatacciyar hanya, kama daga S1 zuwa S5, kuma kowane maki yana ƙayyadaddun adadin daidai da mafi ƙarancin karkata.
Baya ga daidaitattun jurewar kaurin bango, ana kuma la'akari da juriyar kaurin bangon da ba daidai ba.Matakan karkata (misali NS1 zuwa NS4) sun haɗa da ƙayyadaddun rarrabuwar kaso don tabbatar da sarrafa inganci.Ya kamata a lura cewa S yana wakiltar kauri mara kyau na bututun ƙarfe, kuma D yana wakiltar ƙananan diamita na bututun ƙarfe.
Tabbatar da bin waɗannan ƙa'idodi yana da mahimmanci ga samar da ingantattun bututun bututun ƙarfe na ƙwanƙwasa ƙwanƙwan baka mai tsayi.Ta hanyar kiyaye madaidaicin kula da zafin jiki da kuma kula da rarrabuwar kawuna, masana'antun za su iya saduwa da tsammanin abokin ciniki kuma suna samar da samfuran dogaro da dorewa.
Lokacin aikawa: Nuwamba-10-2023