Φ48×3.0鋼管,符合現(xiàn)行國家標(biāo)準(zhǔn)《直縫電焊鋼管》(GB/T 13793)或《低壓流體輸送用焊接鋼管》(GB/T 3092)中規(guī)定的3號普通鋼管,其質(zhì)量符合現(xiàn)行國家標(biāo)準(zhǔn)《碳素結(jié)構(gòu)鋼》(GB/T 700)中Q235-A級鋼的規(guī)定。長度規(guī)格:0.5,0.6,0.8,1,1.2,1.5,1.8,2,2.2,2.5,2.7,2.8,3,3.2,3.3,3.5,3.7,3.8,4,4.5,4.8,5,5.2,5.5,6米。
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