Quick DetailsPlace of Origin: Shandong China (Mainland) Brand Name: HUAMIN Model Number: hm-1 Application: Mill,Cement Plant,Power Station,etc,Mine,Cement,Electric Power Plant,Chemical and other industries Material: Steel Dimensions: 20MM-150MM Diameter: Dia.20mm-Dia.150mm Hardness: Hardness:55-67 Certification: ISO9001, ISO14001,ISO18001 Packaging: Steel Drum or Steel Barrel,Container Bag Delivery: Prompt Packaging & DeliveryPackaging Detail: Steel drum or Steel barrel Container Bag Delivery Detail: 20 -60 days Specificationsforged steel ball Our product has precise size, high roundness, high hardness and mechanical properties.2014 Hot Sale Forged Grinding Ball For Mine Product Description 1. Forged Grinding Ball Features and Advantages: Concentrating on wear-resistant grinding material for 28 years, Huamin Brand steel grinding ball is excellent in surface quality, hardness, and resistant to impact and abrasion. It won't crack and lose circularity easily.1) High hardness: Huamin forged grinding steel ball has high hardness: surface hardness can reach to 55-67 HRC, volume hardness 56-64HRC2) High Impact toughness: impact toughness is more than 15J / cm2.3) Low Broken rate: peel fragmentation resistance property of over 20000 times . The actual breakage rate is less than 1% and close to 0.2. Forged Grinding Ball Technical Parameters:Nominal Diameter(mm) Dimensional Tolerance(mm) Roundness % ?20 � ?6 ?25 � ?6 ?30 � ?5 ?35 � ?5 ?40 � ?5 ?50 +3,-1 ?4 ?60 +3,-1 ?4 ?70 +3,-1 ?4 ?75 +3,-1 ?4 ?80 +3,-1 ?4 ?90 +4,-2 ?4 ?100 +4,-2 ?4 ?120 +4,-2 ?4 ?125 +4,-2 ?4 ?130 +4,-2 ?4 ?140 +4,-2 ?4 ?150 +4,-2 ?4 Forged Grinding Ball For Mine Chemical Composition: C: 2.00~3.60 Si: ?1.20 Mn: 0.50~1.50 Cr: 1.5~3.0 Mo: ?1.00 P?0.80 S?1.00Raw Material:
