德新鋼管(中國)有限公司推廣中頻熱擴工藝的艱難探索之路
大(da)口(kou)(kou)徑無(wu)縫(feng)(feng)鋼(gang)管(guan)通(tong)常是(shi)指外徑為(wei)ф406~1500mm的無(wu)縫(feng)(feng)鋼(gang)管(guan),其生(sheng)產工(gong)(gong)藝有熱軋、頂管(guan)拔伸、熱擠壓等幾種(zhong)工(gong)(gong)藝。但是(shi),這幾種(zhong)工(gong)(gong)藝制造(zao)的大(da)口(kou)(kou)徑無(wu)縫(feng)(feng)鋼(gang)管(guan)壁(bi)厚較厚,無(wu)法滿足鍋(guo)爐、電力、石油化工(gong)(gong)裝置大(da)型化發展(zhan)對(dui)于徑/厚比大(da)于30的大(da)口(kou)(kou)徑薄壁(bi)無(wu)縫(feng)(feng)鋼(gang)管(guan)的需求。陳(chen)總憑借著敏銳的眼(yan)光(guang),...