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Help CenterAlloy Material Forged Steel Grinding Media Ball
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Specifications
1:Alloy Material Forged Steel Grinding Media Ball2:diameter:20~150mm
3:HRC:50~65
4:material:steel
5:ISO9001:2008
Forged grinding ball Hardness(DIA40MM-150MM)
(SIZE) |
(SURFACE) |
(CORE) |
|
DIA40-60MM
|
HRC60-64
|
HRC59-63 |
DIA70-80MM |
HRC60-64
|
HRC58-62
|
DIA90-100MM |
HRC60-64
|
HRC57-61
|
|
DIA110-140MM
|
HRC55-60
|
HRC52-58
|
Chemical Elements:
Material |
C |
Si |
Mn |
Cr |
S |
P |
B2 |
0.70%-0.85% |
0.17%-0.37% |
0.70%-0.80% |
0.20%-0.70% |
≤0.035% |
≤0.035% |
65Mn |
0.62%-0.70% |
0.17%-0.37% |
0.90%-1.20% |
<0.25% |
≤0.035% |
≤0.035% |
60Mn |
0.57%-0.65% |
0.17%-0.37% |
0.50%-0.80% |
<0.25% |
≤0.035% |
≤0.035% |
45# |
0.42%-0.50% |
0.17%-0.37% |
0.50%-0.80% |
<0.25% |
≤0.035% |
≤0.035% |
Specifications
|
(Nominal diameter ) (mm) |
Diameter Tolerance(mm) |
Weight of single forging ball in average) |
Number of piece of one ton forging ball in average |
Surface hardness (HRC) |
Impact toughness (j/cmφ2) |
|
Φ20 Φ25 Φ30 Φ40 Φ50 |
+2 -1 |
32 64 110 263 513 |
31205 15625 9090 3802 1949 |
50-65 |
≥12 |
|
Φ60 Φ70 Φ80 Φ90 Φ100 |
+3 -2 |
888 1410 2104 2996 4110 |
1126 709 475 333 243 |
||
|
Φ110 Φ120 Φ130 |
+4 -2 |
5457 7102 9030 |
182 140 110 |
45-60
|
|
|
Φ140 Φ150 |
+4 -3 |
11278 13871 |
88 72 |
Forged steel grinding balls raw materials: 60Mn, 65Mn, B-II.
Forging steel grindind balls Packing
Certificate of quality
The implementation of product standards YB/T091-2005
The production process
The main products
Production and Detection equipment
Specific characteristics of the Forged steel grinding balls:
1, The overall high hardness: the hardness can reach 55-67HRC, volume hardness reaches 50-63HRC, and the average
hardness gradient distribution.
2, The impact toughness of high impact toughness than 12J/ cm .
3, Low broken rate: crush resistance is the general casting grinding ball 10 times, ball impact more than 20000 times the
number, the breakage rate of not more than 1%.
4, No deformation: elliptical deformation of steel ball from the beginning to the end.
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