Under ASME, ASTM materials are NOT automatically accepted. SA designated material should be used at all time ( NOT ASTM A designation), with following exception from Interpretation VIII-1-92-74: Hence, the inspector MUST verify that the Year edition of the ASTM specification detailed on material certification is accepted by the specified edition of ASME code section … Continue reading Can ASTM material use for ASME application.
To be continued from this chapter "Pipe pressure rating", I'd like to introduce to you about the fitting pressure rating. Note: Flanges, Gaskets, Valves, Weld fittings are designed as CLASS Typically, there're three type of Fitting CLASS rating: According to ASME B16.5, are made in seven primary Pressure Classes: 150 300 400 600 900 1500 … Continue reading FITTING PRESSURE RATING
Pressure and temperature ratings take into account function and price to help our customers easily select the most suitable pipe, fittings, valves for their work. The pressure and temperature ratings refer to the relation between the fluid temperature and the maximum pressure each piping component can withstand at that temperature. Products are grouped by material, and … Continue reading PIPE PRESSURE RATING
Here is the collection supplement for the PIPING HYDRO-STATIC TEST COMPREHENSION section which regarding to the requirement of pressure value and duration applied for the hydro static test.