flange-production-process Forging flange is a flange in mechanical performance is one of the best products, its raw material is commonly tube billet, and then after cutting to constantly pounding, to eliminate the segregation of steel ingot defects, osteoporosis, etc. Flange production process is Raw Material→Material Inspection→Cutting→Heating→forging→Heat Treatment→Physical Inspection→Maching→Cleaning→Painting→Marking→Final Inspection→Packing. threaded flange anchor flange api 6a […]