175 MF flange 1.20#steel 2.Forging,rolling 3.hardness of 62-64 4.4-6inches,DN125,DN150,DN175 175 MF flange ... Item No:MF-001175 MF flangeTechnology:ForgingMaterial:20# steel, Q345BSize(mm):ABCF17514123M17514118Pump Brand ... interesting, pls do feel free to contact us directly. 175 MF flange