Comparison-of-GB-ASME-Standards 标准比较.pdfVIP

Comparison of GB and ASME Standards ? Special Thanks to: ? ASME Pressure Systems Interest Group ? Ministry of Manpower Singapore ? SETSCO etc ? Don Frikken ? Shanghai Morimatsu Pressure Vessel Co. ? ABS Consulting Shanghai ? DNV Shanghai ? China Sichuan Hua Cheng Oil Gas Engineering Construction Supervision Co. ? Presenter: Tan Heng Lee : hltan2004@ or Heng-Lee.Tan@ Comparison of GB and ASME Standards ? GB= Guojia Biaozhun ( National Standard in Chinese) ? SY = Shi You (Petroleum) ? JB = Jian Biao (Construction Standard) ? GB/T = T : Tuijian (recommended GB) ? HG = Hua Gong (Petro Chemical) Comparison of GB and ASME Standards ? GB 150-89 : For Design Pressure = 35 M Pa ( latest issued on March 20, 1998). ? ASME VIII- Div 1: DP up to 20 MPa ? ASME VIII- Div 2: DP up to 70 MPa ? ASME VIII- Div 3: DP above 70 MPa Comparison of GB and ASME Standards ? Factor of Safety ? GB 150-89 : 3.0 for carbon steel, low-alloy steel, high alloy steel vessel ? ASME VIII Div 1: 3.5 for carbon steel, low alloy steel ? ASME VIII Div 1 : 3.0 for High alloy steel ? Note: ASME VIII Div 2: Factor of safety is 3.0 Comparison of GB and ASME Standards ? Weld Joint Efficiency Comparison of GB and ASME Standards ? Design Formula and Table Comparison of GB and ASME Standards ? Vessel Openings and Table Comparison of GB and ASME Standards ? Chinese material : Not so systematic ? ASME : Systematic in ASME II ? Note: _-Ve tolerance for Chinese Material is commonly 0.6 to 0.8 mm for SS; whereas in ASME, it is 0.25 mm Comparison of GB and ASME Standards ? Design Temperature, if it is below –20C, considered as LT vessel ( GB 150 Appendix C shall be applicable) ? ASME : Per UCS 66 etc to calculate MDMT of the material, and compare with vessel MDMT, for determination of Charpy Impact test requirement. Comparison of GB and ASME Standards ? Welder Qualification ? GB 150: Control by Government ( Safety Surveillance Authority) ? ASME VIII : ASME auth