3.Characteristic: High hardness, Grinding endurable , None
out-of-round, Low percentage of damage, High total mill efficiency.
4.Apply Realm: Cement plant, mine , Mill tailings ,Thermal power generation, Chemical industry.
5.Packing: Jumbo bag or Iron drum or according to the buyers ’demand

Classification Chemical Composition

Name	Material	C	Mn	Si	Cr	S	P
DZ-3	65Mn	0.60-0.70	0.9-1.2	0.17-0.37	≤0.25	≤0.035	≤0.035
DZ-4	B2	0.7-0.85	0.7-0.8	0.17-0.37	0.2-0.7	≤0.03	≤0.03

Mechanical Property

Name	Material	Impact Test (AK.J/cm2)	Endurance test time(5m/time)	Surface Hardness (HRC)	Core Hardness (HRC)	Breakage
DZ-3	65Mn	≥15	≥12000	≥60	≥42	<1%
DZ-4	B2	≥17	≥12000	≥60	≥52	<1%