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Help CenterHot Rolled Ball /Rolling Ball for Ball Mill DIA20MM-DIA150MM (ISO9001:2000)
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Specifications
Hot rolled ball/Rolling balls for ball mills/Forged steel1Highquality steel 65Mn 75Mn/B2 steel grinding balls
2High hardness
Zhangqiu Taitou special steel balls factory
Hot rolled steel ball /Rolling balls
Forging balls for mining 60-65HRC steel forged balls/forged steel balls Specifications
80mm forged steel balls
Even hardness 60-65HRC
Unbreakable and round
Grinding resistant
High impact value
Forging balls 60-65HRC
Spcification:
1.Chemical composition:
Name |
C |
Mn |
Si |
Cr |
S |
P |
V |
50MN |
0.48-0.56 |
0.70-1.0 |
0.17-0.37 |
0.25 max |
0.035max |
0.035max |
|
60MN |
0.57-0.65 |
0.70-1.0 |
0.17-0.37 |
0.25 max |
0.035max |
0.035max |
|
65MN |
0.60-0.70 |
0.90-1.20 |
0.17-0.37 |
0.25 max |
0.035max |
0.035max |
|
75Mn |
0.72-0.92 |
0.17-0.37 |
0.7-1.0 |
0.4-0.6 |
0.035max |
0.035max |
|
75MnCr |
0.70-0.85 |
0.7-0.8 |
0.17-0.37 |
0.2-0.7 |
0.03 max |
0.03 max |
|
75 SiMn |
0.70-0.90 |
0.7-1.2 |
0.4-0.8 |
0.25 max |
0.03 max |
0.03 max |
|
Wear-resistant Alloy |
0.5-0.65 |
0.4-1.0 |
1.4-1.8 |
0.9-1.2 |
0.03 max |
0.03 max |
0.1-0.2 |
Name |
Impact Test AK.J/cm2 |
Endurance Test Times (5m) |
Dia 25mm-60mm |
Dia 70mm-100mm |
||
Surface |
Core |
Surface |
Core |
|||
50MN |
≥12 |
≥10000 |
≥56 |
≥35 |
≥56 |
≥28 |
60MN |
≥13 |
≥10000 |
≥58 |
≥38 |
≥58 |
≥29 |
65MN |
≥15 |
≥12000 |
≥60 |
≥42 |
≥60 |
≥30 |
75MnCr |
≥17 |
≥12000 |
≥60 |
≥52 |
≥60 |
≥50 |
75 SiMn |
≥16 |
≥12000 |
≥60 |
≥50 |
≥60 |
≥48 |
Wear-resistant Alloy |
≥17 |
≥12000 |
≥60 |
≥54 |
≥60 |
≥52 |
2.Specification and Hardness of Grinding Ball
|
Nominal diameter (mm) |
Diameteical tolerance (mm) |
Weight of Single of forging ball in average |
Number of piece of One ton forging ball in average |
Surface hardness |
Impact toughness |
|
DIA 20 DIA 25 DIA 30 DIA 40 DIA 50 |
+2 -1 |
32 64 110 263 513 |
31250 15625 9090 3802 1949 |
55-65 |
≥12 |
|
DIA 60 DIA 70 DIA 80 DIA 90 DIA 100 |
+3 -2 |
888 1410 2104 2996 4110
|
1126 709 475 333 243 |
||
|
DIA 110 DIA 120 DIA 130 |
+4 -2 |
5457 7102 9030 |
182 140 110 |
||
|
DIA 140 DIA 150 |
+4 -3 |
11278 13871 |
88 72 |
3.Features:
(1) Characteristics:
a) High hardness and resistance
b) Good even wear
c) No breaking
(2) Applied fields:
a) Mines
b) Cement plants
c) Power stations
d) Chemical industry
4.Specification
casting grinding ball
DIA17-DIA120MM
hardness:55-65HRC
1.high-Cr-ball
ZQCr20 ,Cr:19-22
ZQCrR17 ,Cr:18-18
ZQCr11,Cr:2.0-3.2
2.Low-Cr-ball
ZACr2,Cr: 1.5-3.5
5 Forged steel balls Producing
Raw material Forged Grinding balls
6 Package Plastic big bags/ Steel drums
7 Contact :
Elina Tan
Skype:elinana_yeahnet
Send Inquiry to This Supplier
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