AWS E8015-B3L Low-alloy steels Karfe foda waldi waya Haɗin walda

AWS E8015-B3L irin hannu waldi lantarki ga zafi resistant karfe ne low sodium hydrogen irin hand waldi lantarki, wanda har yanzu yana da kyau kwarai creep juriya a karkashin 550 ℃ high zafin jiki da kuma high matsa lamba aiki yanayi, da kuma lantarki yana da barga baka, kasa splashing, mai kyau. kafawa, sauƙi de-slagging da kyakkyawan aikin X-Ray. A lokacin waldi, lokacin farin ciki farantin ya zama Multi-Layer waldi, zafin jiki tsakanin yadudduka ba kasa da preheating zazzabi, waldi ya kamata a gama a lokaci guda, shi ne mafi alhẽri ba katse. Idan ana buƙatar dakatarwar interlayer, yakamata a ɗauki matakan zafi da jinkirin sanyaya, kuma yakamata a ɗauki matakan zafin jiki iri ɗaya kafin sake walƙiya. A lokacin aikin walda, ya kamata a mai da hankali ga cika ramin baka, nika haɗin gwiwa, da kuma cire tsagewar rami mai zafi. Mafi girma na halin yanzu shine, zurfin rami na baka shine. Saboda haka, da waldi sigogi da kuma dace waldi line makamashi ya kamata a zaba a cikin m daidai da waldi tsari umarnin.