试验用Φ360 mm 27CrMnMoV钢（/%：0.27C,0.25Si,0.92Mn,1.06Cr,0.75Mo,0.009P,0.003S,0.088V）铸坯经穿孔和Φ340连轧机组热轧成Φ244.4......

试验用Φ360 mm 27CrMnMoV钢(/%:0.27C,0.25Si,0.92Mn,1.06Cr,0.75Mo,0.009P,0.003S,0.088V)铸坯经穿孔和Φ340连轧机组热轧成Φ24......