Steel tubes - ASME/ASTM Fittings - ASME/ASTM Forged Fittings - ASME/ASTM Flanges (ASME/ASTM) Types Welded neck flangesSlip On FlangesLap Joint FlangesBlind flangesSocket-Weld FlangesTheaded FlangesLong Welding Neck FlangesReducing FlangesOrifice Flanges Norms acc. ASME B16.5 / EN1759-1acc. BS3293acc. ASME B16.36acc. ASME B16.47 Series B - API STD 605acc. ASME B16.47 Series A - MSS SP-44 Pressure Ratings 150 LBS300 LBS400 LBS600 LBS900 LBS1500 LBS2500 LBS5000psi10000psi Wall Thicknesses Available in all wall thicknesses Facings RF - LRF - RTJ Dimensions 1/2″ - 60″