18 Years Factory 32 Inch Seamless Pipe - Carbon Steel Ball – TOP-METAL

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Products Description forged steel grinding balls mill parts The field of applications for the Cast Chrome Alloy Grinding Steel Balls, in short Cast Steel Balls, can be found in Cement Plants, Mines, Power stations, Chemical Industries, Grinding Mill, Ball mill and Coal mill. We have available 4 maintypes of these balls: Low chrome, medium chrome, high chrome and higher chrome. Sizes are in the range 10mm – 150mm. Features: 1. forged steel grinding ball has high hardness: surface hardne...

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18 Years Factory 32 Inch Seamless Pipe - Carbon Steel Ball – TOP-METAL Detail:

Products Description

forged steel grinding balls mill parts

The field of applications for the Cast Chrome Alloy Grinding Steel Balls, in short Cast Steel Balls, can be found in Cement
Plants, Mines, Power stations, Chemical Industries, Grinding Mill, Ball mill and Coal mill.

We have available 4 maintypes of these balls: Low chrome, medium chrome, high chrome and higher chrome. Sizes are in the range 10mm – 150mm.

Features:
1. forged steel grinding ball has high hardness: surface hardness to 58-65HRC, volume hardness of 57-64HRC
2. impact toughness high: impact toughness more than 12J / cm2.
3. broken rate is low: the actual broken rate is not higher than 0.5%.
4. loss of forged grinding ball round rate is low.
5. dropping test in 8m high tester for more than 20,000 times.

Specification

Main specifications for Cast Chrome Alloy Grinding Steel Balls:

Parameters	Low Chrome	Medium Chrome	High Chrome	Higher Chrome
Cr %	0.8 – 3.5	4 – 9	10 – 18	22 – 25
C %	2.2 – 3.5	2 – 3.3	1.6 – 3.3	2.0 – 3.3
Si %	1.2 max	1.2 max	1.0 max	1.0 max
Mn %	1.5 max	1.8 max	2.5 max	2.5 max
Mo %	1.0 max	1.5 max	1.0 max	2.0 max
Cu %	0.5 max	1.0 max	1.5 max	1.5 max
P %	0.15 max	0.15 max	0.10 max	0.10 max
S %	0.15 max	0.15 max	0.10 max	0.10 max
Metallographic structure	Carbide + Pearlite	Carbide + Pearlite	Carbide + Martensite	Carbide + Martensite
Hardness (HRC)	45 or above	50 or above	58 or above	60 or above
Times of falling ball	8000 or above	12000 or above	15000 or above	22000 or above

Available ball diameters:

Nominal Diameter in mm	Weight in kg per ball in average	Number of Balls per ton in average
10	0.135	74073
12	0.0181	55248
15	0.0242	41322
20	0.0322	31056
25	0.063	15873
30	0.11	9091
40	0.257	3891
50	0.5	2000
60	0.867	1153
70	1.37	729
80	2.05	487
90	2.90	345
100	4.00	250
110	5.30	188
120	6.80	147
125	7.75	129
130	8.74	114