【摘要】 介绍了国内外常用异径管标准体系,从管件、焊接、冲蚀、爆裂、应力腐蚀等方面分析了30起由异径管失效而引起的安全事故案例;从失效分析和理论研究方面综述了国内外异径管的研究概况。更多还原

【Abstract】 Standard system for reducers commonly used at home and abroad was introduced, thirty(30) safety incident cases caused by reducer failure were analyzed from aspects of fitting, welding, erosion, breakage, stress corrosion etc.; researching situation at home and abroad was comprehensively described from aspects of failure analysis and theoretical study.更多还原