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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Φ244.48 mm×15.11 mm无缝管。试验研究了830~950℃水淬,880℃水淬+600~680℃30~120 min回火,以及880℃两次水淬+620~660℃回火工艺对该钢管组织和性能的影响。一般要求V150管屈服和抗拉强度分别为1034~1241 MPa和≥1103 MPa,0℃横向冲击功