FLANGE ASTM A105 CL150ASME B16.5.Sch40WN-RF 带颈对焊法兰 ¥34.00 无缝钢管DN80 BW,Pipe,ASMEB36.10,ASTM A333 Grade6 ¥5600.00 90°无缝弯头ELBOW 90 DEGLR ASTM A420 Gr.WPL6,SMLS ¥24.00 8字盲板 HG/T21547- 2016 BLF 300-CL150 FF A105法兰 ¥280.00 钢管模压异径管同心/偏心 P=32MPa,t=400℃ DN32X20 12Cr1MoVG ¥25.00 过渡段偏心/同心 P=32MPa,78x11/65x10 12Cr1MoVG变径 ¥60.00