Bututun ƙarfe da aka yi wa walda, wanda kuma aka fi sani da bututun walda, bututun ƙarfe ne mai walƙiya, bututun ƙarfe ne wanda ke lanƙwasa kuma ya zama nakasassu zuwa zagaye, murabba'i da sauran siffofi ta hanyar tsiri na ƙarfe ko farantin karfe sannan a yi masa siffa. Girman ƙayyadaddun gaba ɗaya shine mita 6.
ERW WELDED PIPE grade: Q235A, Q235C, Q235B, 16Mn, 20#, Q345.
Abubuwan gama gari: Q195-215; Q215-235
Matsayin aiwatarwa: GB/T3091-2015,GB/T14291-2016 ,GB/T12770-2012 ,GB/T12771-2019 , GB-T21835-2008
Aikace-aikace iyaka: Waterworks, petrochemical masana'antu, sinadaran masana'antu, wutar lantarki masana'antu, noma ban ruwa, birane yi. Rarraba ta hanyar aiki: jigilar ruwa (samar da ruwa, magudanar ruwa), sufurin iskar gas (gas, tururi, iskar gas mai ruwa), don amfani da tsarin (don piling bututu, ga gadoji; igiyar ruwa, hanya, bututun tsarin gini).
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