High Chrome Grinding Media and Low Chrome Grinding Media Ball

Specifications

1.Grinding Ball Dia20-150mm
2.Wear-resistant,High impact value
3.High combined efficiency
4.Hardness 55-67HRC
5.Low breakage

 

High Chrome Grinding Media and Low Chrome Grinding Media Ball

 

1.Features of Casting Grinding Ball

1) High Hardness: surface hardness is to 55-68 HRC and volume hardness is to 53-63 HRC

2) High Impact Toughness: impact toughness more than 12 J/cm2

3) Low Broken Rate: the actual broken rate is not higher than 1%

4) Wear-resistant: the loss of round rate is low

 

2.Material and Chemical Composition of Casting Grinding Ball

Name	Model	Material	C	Si	Mn	Cr	S	P
TITLE-8	High Chrome	Cr-22-32%	2.0-2.8	≤1.0	0.5-2.0	22-32	≤0.01	≤0.01
TITLE-9		Cr-17-22%	2.0-2.8	≤1.0	0.5-2.0	17-22	≤0.01	≤0.01
TITLE-10		Cr-14-17%	2.2-3.0	≤1.0	0.5-2.0	15-17	≤0.01	≤0.01
TITLE-11		Cr-10-14%	2.2-3.2	≤1.0	0.5-2.5	11-14	≤0.01	≤0.01
TITLE-12	Medium Chrome	Cr-5-10%	2.1-3.2	≤1.2	0.5-1.5	5-10	≤0.01	≤0.01
TITLE-13	Low Chrome	Cr-1-5%	2.2-3.5	≤1.2	0.5-1.5	1-5	≤0.02	≤0.02

 

3.Physical Property of Casting Ball

Model	Hardness(HRC)		Impact Test(Ak.J/cm2)	Endurance Test Times(5m)	Microstructure
	Quenching	Unquenching
High Chrome	≥60	≥55	≥4	≥12000	M+C
Medium Chrome	-	≥52	≥3	≥10000	P+C
Low Chrome	-	≥48	≥2	≥8000	P+C

 

4. Specification of Cast Grinding Ball

Nominal Diameter		Diameter Tolerance	Weight of Single Ball In Average	Numbers of Per Ton Ball In Average
(mm)	(Inch)	(mm)	(g)
20	0.75’’	+2 -1	32	31250
25	1’’		64	15625
30	1.25”		110	9090
40	1.5’’		263	3802
50	2’’		513	1949
60	2.5’’	+3 -2	888	1126
70	2.75		1410	709
80	3.25’’		2104	475
90	3.5’’		2996	333
100	4’’		4110	243
110	4.5’’	+4 -2	5457	182
120	4.75’’		7102	140
130	5’’		9030	110
140	5.5’’	+4 -3	11278	88
150	6’’		13871	72

 

5.Main Process of Casting Grinding Ball

(1)Raw material (2)Scientific Proportioning (3)Electric Furnace Smelting (4)Assay Before Furnace (5)Mould Forming (6)Polishing (7)Heat Treatment (8)Qualified Products (9)Packing

 

6.Applied Field

1)Cement Plant 2)Mine 3)Power station 4)Chemical Industries 5)Grinding Mill, Ball mill

 

7.Products Name

Cast Grinding Ball,Casting Grinding Ball,Cast Iron Ball,Casting Ball,Cast Ball,Cast Steel Ball,Cast Grinding Iron Ball,Cast Iron Grinding Ball,Cast Grinding Steel Ball,High Chrome Grinding Media,Middle Chrome Grinding media,Low Chrome Grinding Media,High Chrome Cast Ball,High Chrome Cast Grinding Ball,High Chrome Grinding Ball,Low Chrome Cast Ball,Low Chrome Cast Grinding Ball,Low Chrome Grinding Ball,Medium Chrome Casting Ball,Medium Chrome Cast Grinding Ball,Medium Chrome Grinding Ball,Cement Mill Grinding Media, High Chrome Grinding Media and Low Chrome Grinding Media Ball

 

8.Packing

(1) Container Bags: 1000KGS/Bag

 

(2) Steel Drums(with Pallet): 850-900KGS/Drum

 

9. Photos of Products, Factory, Raw materials, Testing