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.
New European Standards – EN 81-1 EN 81-2 Almost 3 years ago, new European standards for the design, manufacture and testing of lifts were introduced. The standards apply to both passenger lifts and passenger goods lifts and come with the catchy names of EN81-20 and EN81-50. The introduction commenced with a three year transition period … Continue reading EN 81-20/50: NEW LIFT STANDARDS
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
ASME B16.5 - List of ASTM Material Specifications MATERIAL GROUP NOMINAL DESIGNATION PRESSURE TEMPERATURE RATING TABLE FORGINGS CASTINGS PLATES 1.1 C-Mn-Si 2-1.1 A350 Gr. LF2 ... A516 Gr. 70 C-Mn-Si 2-1.1 ... ... A537 Cl. 1 C-Mn-Si-V 2-1.1 A350 Gr. LF6 CI. 1 ... ... 3½ Ni 2-1.1 A350 Gr. LF3 ... ... 1.2 C-Mn-Si … Continue reading ASME B16.5 FLANGE MATERIAL GROUP