... steel Pressure:high Temperature:high Standard:ASME B 16.11 Type Elbow,Tee, Thread,Cap,Nipple,StandardASTM B16.9, ASTM B16 ... ,ISO 5251,DIN 2615Size1/2''-48''(Butt-welding and seamless);1/8''-4''(Threaded and socket-welding);16''~72''(Welded)Wall thicknessSch5 ... ;ASTM A106;ASTM A350 LF2,DIN St37, St45.8, St52.4,St.35.8,St.35.8/IASTM A333 GR.6 ...