... /2"-48" DN15--DN3000MaterialCarbon steel, stainless steel and alloy steel( A105,,F316, F304, F316L, F304L, F5, F11, F22, 15CrMo, 12CrMoV, Q235, 16Mn, 20# etc ... .8 millionyuan, covers an area of21860 square meters.We supply steel pipe,flange,pipe elbow,pipe bend,reducer,tee,cross,capand ... Factory Certificate Test Equipment Production Equipment asme b 16.47 carbon steel forged flange