China Ball mil grinding media:

 

Chemical elements:

DT-1: 45# C:0.42-0.50 Mn:0.50-0.80 Si:0.17-0.37 Cr:0.2 max P: 0.035max Ni:0.25max Cu:0.25max

DT-2: 60Mn C:0.57-0.65 Mn:0.7-1.0 Si:0.17-0.37 Cr:0.25max S:0.035max P:0.035max Ni:0.3max Cu:0.25max

DT-3: 65Mn C:0.62-0.70 Mn:0.9-1.0 Si:0.17-0.37 Cr:0.25max S:0.035max P:0.035max Ni:0.3max Cu:0.25max

DT-4: B2 C:0.72-0.92 Mn:0.7-1.2 Si:0.17-0.37 Cr:0.4-0.6 S:0.04max P:0.04max

DT-5: 42Cr C:0.38-0.45 Mn:0.50-0.80 Si:0.17-0.37 S:0.035max P:.35max Cr:0.9-1.2 Ni:0.3max Cu:0.30max

 

Mechanical Properties:

Spec.	Impact Test AK.J/CM2	Endurance Test Times (5m)	Dia 25mm-60mm		Dia 70mm-100mm
			Surface	Core	Surface	Core
42Cr	≥12	≥12000	≥55	≥48	≥52	≥45
50Mn	≥12	≥12000	≥56	≥50	≥55	≥50
60MN	≥13	≥12000	≥58	≥52	≥58	≥50
65MN	≥15	≥12000	≥62	≥54	≥58	≥52

 

1.Sizes:DIA20-150mm

2.Hardness: HRC55-67

3.Breakage rate: <1%

4.Chemical elements:C . Si . Mn . P . S . Cr

5.Impact toughness: >12J/CM2

6.Endurance impact test: >12000

7.Delivery Detail: (7-45) days according to your quantity

8.Low price:Near the Laiwu steel CO group.,ltd( low material costs ) and Qingdao port(low transport costs ).

 

Characteristics:

High Hardness     Good Wear Resistance     No Breakage     Even Wearing

 

Applide field:

Mines     Cement Plants     Power Stations     Chemical Industries