介绍了国内外预应力混凝土用钢棒的现状,并进行分析对比,对在生产和应用中存在的问题(墩头开裂,延迟脆断,平直度不合格等)进行阐述,并且针对轧制过程出现的问题提出相应解决措施。并对我国预应力混凝土用钢棒未来的发展进行了相关预测。 The present situation of steel bar for prestressed concrete at home and abroad is introduced and analyzed and compared. The problems in production and application (pier cracking, delayed brittle fracture, flatness failure, etc.) Are described, The problems arising from the process put forward corresponding solutions. The prediction of the future development of steel bars for prestressed concrete in China is also made.