Bututun ƙarfe masu walda, wanda kuma aka sani da bututun da aka ƙera, bututun ƙarfe mai welded bututu ne na ƙarfe mai ɗinki wanda aka lanƙwasa kuma ya lalace zuwa zagaye, murabba'i da sauran siffofi ta hanyartsiri na ƙarfe or farantin ƙarfesannan a haɗa shi da siffa. Girman da aka ƙayyade gabaɗaya shine mita 6.
Bututun da aka haɗa da ERWmaki: Q235A, Q235C, Q235B, 16Mn, 20#, Q345.
Kayan da aka fi amfani da su: Q195-215; Q215-235
Ma'aunin aiwatarwa: GB/T3091-2015,GB/T14291-2016,GB/T12770-2012,GB/T12771-2019,GB-T21835-2008
Tsarin aikace-aikace: Aikin ruwa, masana'antar man fetur, masana'antar sinadarai, masana'antar wutar lantarki, ban ruwa na noma, ginin birane. An raba ta hanyar aiki: jigilar ruwa (samar da ruwa, magudanar ruwa), jigilar iskar gas (gas, tururi, iskar gas mai ruwa), don amfani da tsarin (don bututun tara ruwa, don gadoji; tashar jiragen ruwa, hanya, bututun tsarin gini).
Lokacin Saƙo: Disamba-26-2023
