1)Size:1/2"-48" 2)Connection:Butt Weld & Socket Weld & Thread 3)Standard:ASME,ANSI,BS,DIN,JIS,etc. 4) ... , F5, F11, F22, 15CrMo, 12CrMoV, Q235, 16Mn, 20# etc.)ConnectionButt Weld & Socket Weld & ThreadPressure American Series: CLASS 150, CLASS 300, CLASS 400, CLASS ... area of21860 square meters.We supply steel pipe,flange,pipe elbow,pipe bend,reducer,tee,cross,capand other pipe fitting,if ...