GB 9948-2013 石油裂化用無縫鋼管 下載
GB9948-2013石油(you)裂(lie)(lie)化(hua)用(yong)(yong)無(wu)縫(feng)鋼(gang)管(guan)(guan) 一、范(fan)圍本標準規定了石油(you)裂(lie)(lie)化(hua)用(yong)(yong)無(wu)縫(feng)鋼(gang)管(guan)(guan)的分類(lei)、代(dai)號、尺(chi)寸、外形、重量(liang)、技(ji)術要求、試(shi)驗(yan)方法(fa)、檢(jian)驗(yan)規則、包(bao)裝、標志和(he)(he)質量(liang)證明書。本標準適用(yong)(yong)于石油(you)化(hua)工用(yong)(yong)爐(lu)管(guan)(guan)、熱交(jiao)換器(qi)管(guan)(guan)和(he)(he)壓(ya)力(li)管(guan)(guan)道(dao)用(yong)(yong)不銹(xiu)鋼(gang)無(wu)縫(feng)鋼(gang)管(guan)(guan)。二、規范(fan)性引(yin)用(yong)(yong)文件下列...