... : 180 T oxygen converter, 1550′ 250 mm slab CCM,18X29 ball mill, bell type annealing furnace, 1250mm cantilever straightener ,kinds of ... forgings with the material of carbon structure steel, tool steel, ball bearing steel, spring steel and various alloy steel, etc. Main ... 1000 and shaft φ500×17000. Welcome to contact us. precision custom metal machning service/metal fabrication Service/machining parts