Product Details

Product Description

Low Chrome and High Chrome Cast Steel Ball For South Africa

1.Features of Casting Grinding Ball

1) High Hardness: surface hardness of casting balls is to 60-68 HRC and volume hardness of foundry steel balls is to 60-63 HRC;

2) High Impact Toughness: the impact toughness of high chrome grinding media is more than 12 J/cm2;

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

4) Wear-resistant: the grinding lost of chrome steel balls is 50-300g/ton.

2.Material and Chemical Composition of Casting Grinding Ball

Name	Model	Material	C	Si	Mn	Cr	S	P
TITLE-8	High Chrome	Cr-23-32%	2.0-2.8	≤1.0	0.5-2.0	23-32	≤0.01	≤0.01
TITLE-9		Cr-18-22%	2.0-2.8	≤1.0	0.5-2.0	18-22	≤0.01	≤0.01
TITLE-10		Cr-15-17%	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	10-14	≤0.01	≤0.01
TITLE-12	Medium Chrome	Cr-5-9%	2.1-3.2	≤1.2	0.5-1.5	5.0-9	≤0.01	≤0.01
TITLE-13	Low Chrome	Cr-1-4%	2.2-3.5	≤1.2	0.5-1.5	1.0-4	≤0.02	≤0.02

3.Physical Property of Casting Ball

Model	Hardness(HRC)		Impact Test(Ak.J/cm²)	Endurance Test Times(5m)	Microstructure
Model	Quenching	Unquenching	Impact Test(Ak.J/cm²)	Endurance Test Times(5m)	Microstructure
High Chrome	≥60	≥58	≥17	≥12000	M+C
Medium Chrome	-	≥56	≥15	≥10000	P+C
Low Chrome	-	≥53	≥13	≥10000	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’’	+4 -3	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)Sag Mill, Ball mill

7.Products Name

High Chrome Cast Grinding Ball,Casting Grinding Ball,Cast Iron Ball,Casting 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 Grinding Ball,Medium Chrome Casting Ball,Medium Chrome Cast Grinding Ball,Cement Mill Grinding Media, Low Chrome and High Chrome Cast Steel Ball For South Africa

Packaging & Shipping

(1) Container Bags: 1000KGS/Bag

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

Our Services

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