1.Heated by electric stove
2. Nearly 30 years'experience
3.Top grade raw material
4.Direct Manuacturer,low price
5. Provide certificate of Analysis,Ingredient List ,Quality-tracking-Cards.
PRODUCT:
1.Product:cast iron grinding ball
2.Size:Dia 20mm-150mm
3.Hardness:Dia 20-60mm HRC 46-60 Dia 70-100mm HRC 50-60
4.Applied flied :mines,cenment plant,power station,chemical industries.
5.Main market: Japan,korea,Canada,Turkey,Philippines and Italy.
6.Proess:RAW MATERIAL----MELTING---POURING----POLISHING ----HEAT TREATMENT---TESTING---QUALIFIED PRODUCTS
7.Heat treatment:oil quenching & air quenching
8.Chemical composition : C:2.0-3.5 S:0.06MAX Mn:0.5-2.0 P:0.08MAX Si:0.2-0.4 Cr:1.2MAX
Mo micro Al:mirco
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