GB 9948-2013 石油裂化用無縫鋼管 下載
GB9948-2013石(shi)(shi)油(you)(you)裂化用(yong)無(wu)縫鋼管(guan)(guan) 一(yi)、范(fan)圍本標(biao)準(zhun)規(gui)定了石(shi)(shi)油(you)(you)裂化用(yong)無(wu)縫鋼管(guan)(guan)的分類、代號、尺寸、外形(xing)、重(zhong)量、技(ji)術要求、試(shi)驗(yan)方法、檢驗(yan)規(gui)則、包裝、標(biao)志(zhi)和質量證明書。本標(biao)準(zhun)適用(yong)于石(shi)(shi)油(you)(you)化工(gong)用(yong)爐(lu)管(guan)(guan)、熱交換(huan)器管(guan)(guan)和壓力管(guan)(guan)道用(yong)不銹鋼無(wu)縫鋼管(guan)(guan)。二、規(gui)范(fan)性(xing)引(yin)用(yong)文件下列...