... forging as below( mm)a. forging shaft: D: 180—600, L: 500—8500, max. weight:12tb. hollow shaft:D:300—750, wall ... thickness<200, L:300—2000, Max weight:4.5tc. forging ring: D:600 ... —3500,H:100—500, Max weight: 4.2td. forging rectangles: L:100—1600, W:100—600,H:100 ...