鋼筋混凝土用鋼第2部分熱軋帶肋鋼筋新國標於2018年11月1日(ri)正(zheng)式(shi)實(shi)施(shi)之(zhi)後(hou)

，鋼(gang)筋(jin)生(sheng)產(chan)成(cheng)本(ben)上(shang)升(sheng)明(ming)顯(xian)。為(wei)了(le)降(jiang)低(di)螺(luo)紋(wen)鋼(gang)生(sheng)產(chan)成(cheng)本(ben)
，提(ti)高(gao)公(gong)司(si)螺(luo)紋(wen)鋼(gang)產(chan)品(pin)競(jing)爭(zheng)力(li)，韶(shao)鋼(gang)製(zhi)造(zao)管(guan)理(li)部(bu)開(kai)展(zhan)了(le)多(duo)次(ci)試(shi)驗(yan)成(cheng)功(gong)摸(mo)索(suo)出(chu)了(le)提(ti)矽(gui)錳(meng)降(jiang)釩(fan)、铌微合金化、稀xi土tu氮dan合he金jin加jia釩fan氮dan合he金jin強qiang化hua等deng多duo種zhong生sheng產chan工gong藝yi。不bu同tong生sheng產chan工gong藝yi采cai用yong的de強qiang化hua合he金jin元yuan素su和he軋zha鋼gang工gong藝yi均jun不bu同tong，因yin此ci合he金jin成cheng本ben和he對dui軋zha鋼gang產chan能neng的de影ying響xiang也ye不bu一yi樣yang。為wei了le及ji時shi準zhun確que反fan映ying合he金jin價jia格ge波bo動dong時shi各ge生sheng產chan工gong藝yi的de經jing濟ji性xing，韶shao鋼gang製zhi造zao管guan理li部bu建jian立li了le螺luo紋wen鋼gang不bu同tong合he金jin化hua方fang案an性xing價jia比bi模mo型xing。4yuezhongxun，suizhefandanhejinjiagedechixuzoudi，tongguomoxingcesuanfaxiancaiyongfandanhejinqianghuabicaiyongniweihejinhuaqianghuaxingjiabigenggao，zhizaoguanlibuxunsujiangniweihejinhuagongyiqiehuanweitiguimengjiangfanshengchangongyi
，quebaolegongsianzhaozuidichengbengongyizuzhishengchan，shixianxiaoyizuidahua。5月份，釩氮合金價格延續4月份走低趨勢，提矽錳降釩工藝優勢更加明顯。