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Grinding Media Ball

Specifications

1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG

2. Diameter: 15mm-150mm

3. Hardness: HRC 55-65

4. Breakage Rate:<1%

5. Impact Value: >12j/Cm^2

6. Falling ball times: ≥20000s

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Product Details

Shandong Jinchi Heavy Industy Joint-stock Co.,Ltd, is a professional manufcture of grinding steel balls in China.Our company has been committed to producing grinding steel balls, forged steel balls, grinding rods and other products for over 20 years . And we have passed ISO9001: 2008 Quality Management System certification. we can also produce grinding balls fully meet customer needs according to their specific requirements.

1)Grinding ball:size: DIA 20mm to DIA 150mm;

2)grinding rods:Dia40-120mm,length can be done according to request of clients.

grinding media ball

· Mining industry - grinding of ores (gold, sliver, copper, iron, manganese, chromium, wolfram, molybdenum, zinc, )

· Building industry - grinding of sand and raw materials for cement (limestone) production

· Power engineering - grinding of coal, blast furnace slag, etc.

· Other - grinding of colour pigments, ceramic materials, etc.

Materials	C%	Si%	Mn%	P%	S%	Cr%
B2	0.70-0.85	0.17-0.37	0.70-1.00	≤0.035	≤0.035	0.4-0.6
B2-1	0.55-0.70	0.15-0.30	0.65-0.85	≤0.020	≤0.020	0.70-1.10
High Carbon B2	0.85-1.10	0.15-0.45	0.40-1.20	≤0.035	≤0.035	0.20-1.10
B3	0.58-0.66	1.70-1.90	0.68-0.80	≤0.030	≤0.030	0.78-0.90
45#	0.42-0.50	0.17-0.37	0.5-0.8	≤0.035	≤0.035	0.25max
B4	0.65-0.75	1.20-1.40	0.50-0.70	≤0.025	≤0.025	0.85-1.00
B6	0.75-0.90	0.17-0.37	0.8-1.02	≤0.035	≤0.035	0.88-0.98
B6-1	0.82-0.90	0.15-0.35	0.90-1.05	≤0.020	≤0.020	0.88-0.98
BU	0.95-1.05	0.15-0.35	0.95-1.05	≤0.025	≤0.025	0.45-0.55
1090	0.90-1.10	0.17-0.37	0.60-0.90	≤0.025	≤0.025	≤0.025
42CrMo	0.38-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.90-1.20
40Cr	0.37-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.80-1.10
65MN	0.62-0.70	0.17-0.37	0.90-1.20	≤0.035	≤0.035	≤0.25
60MN	0.57-0.65	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25
50MN	0.48-0.56	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25

Grinding ball info

Item	Forging steel grinding balls
Sizes	20mm-150mm
Grade	45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG
Hardness	Surface: 55-60HRC / Core: 45-60HRC
Certification	TUV ISO9001, SGS
Material	Alloy Steel
Breakage rate	25mm--80mm 0.5% 90mm-140mm 1%
Out of roundness	1%
Impact toughness	>12AK.j/cm^2

Packing Details	a. steel drums (850-900kgs/drum) b. flexible container bags(1ton/bag)
Delivery Details	Within 15-20 days after received the payment or LC at sight