Daidai-daidai walda karfe bututu ya hada da biyu gefen binne arc walda daidai-daidai walda karfe bututu da kuma high mita juriya walda, Turanci da ake kira lsaw, Turanci da ake kira erw na high mita juriya walda, binne arc walda daidai-daidai walda karfe bututu bisa ga daban-daban tsara hanyoyin da aka raba zuwa UOE, RBE, JCOE karfe bututu da dai sauransu. Kai tsaye welded karfe bututun kayan ne mafi yawa Q195, Q215, Q345 da kuma x42 kamar bututun karfe jerin. Kai tsaye welded karfe bututu bisa ga ƙayyade bango kauri akwai na yau da kullun karfe bututu da kuma thickened karfe bututu biyu, karfe bututu da kuma raba threaded da kuma ba tare da threaded biyu bisa ga bututu karshen nau'i. Tsawon kai tsaye walda karfe bututu yafi rarraba zuwa m da m, wanda yafi bisa ga abokin ciniki bukatun, tsawon gabaɗaya ne 6-14 mita, da babban diamita kai tsaye walda karfe bututu iya bukatar biyu karfe farantin da za a roll wanda kuma samar da biyu walda sutures.

Kai tsaye walda karfe bututun bayanin da aka nuna ta hanyar nominal diameter da bango kauri, da bango kauri za a iya raba zuwa nau'i biyu na m bango kai tsaye bututun da kauri bango kai tsaye bututun. Da siffar za a iya raba zuwa zagaye, murabba'i ko m bututu da dai sauransu. Babban aiwatar da ka'idodin GB / T3091-2008, GB / T9711-2008.

Aikace-aikace: karfe bututun da aka yi amfani da walda karfe bututun da daban-daban tsari sassa, sassa da kuma jigilar ruwa bututun da kuma sauran amfani.