... GCR15 Tech:forged Size:150-500mm Heating,Polish and turned are available Bearing steel bar GCR151,Technic:Forged2,Material:GCr15,SAE 52100 ... ,specification,chemical composition,mechanical property,ut test report,Heat treatment and so on.8,MOQ:20T9,Delivery time:30-45days10,Packing ... to 150-170°C,cool in airBest lion provide bearing steel with bright and black surface,bars can be made according to ...