90mm 70Mn Steel Grinding Ball

1.High hardness:HRC 45-67 2.Low breakage:1%max 3.High impact rate:12J/cm2 min 3.OEM service 4.Certification:ISO9001:2008

Specification for 90mm 65Mn steel grinding ball

1.Product name:

    90mm 65Mn steel grinding ball

2.Technical specification

No.	Item	Figure
1	Diameter	90mm
2	High hardness:	55-67HRC
3	Breakage rate:	1% Max.
4	High impact value:	12J/cm2 min
5	Chemical composition	C :0.63~0.65 Si:0.19~0.22 Mn:0.98~1.1 S :≤0.01 P :≤0.014 Cr:≤0.2 Ni:≤0.02 Cu:≤0.05

3.Application

  Widely used in cement plants,mining machinary,etc.

 4.Packing

  Packed in iron drum or as your requirement

5.Sample policy

  We can supply certain quantity of grinding balls free of charge ,customer pay  for the delivery.

6.Payment terms

  We prefer T/T,30% deposit and 70% paid before delivery.

 

 

 

 

 

 

 

 

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