Company Name:Jinan Xinte Casting And Forging Co.,ltd
Address: Taitou Industry Zone,Guanzhuang Town,Zhangqiu City,Shandong Province,China
Boss: Mr. Jindong Chen
Tel: 0086-531-83805896
Mobile:13964054179
Fax: 0086-531-83805868
Website:http://www.xintedz.com
E-mail: xinte@xintedz.com
xinteduanzao@126.com
Rolled Grinding Ball
Executive standard for the product is YB/T091-2005 forging(rolling) steel balls
We produce and export high quality Forged Grinding Ball and Rolled Grinding Ball with different hardness grades and chemical composition on request.
At first, we produce Forged Grinding Ball. In order to improve the quality and increase the production capacity, we produce the Rolling Grinding Ball by the advanced Automatic Hot Rolling Grinding Ball Production Line. Our Automatic Hot Rolling Grinding Ball Production Line is in the leading position in the world.
The Forged Grinding Ball and Rolled Grinding Ball we produced as follows:
1.Chemical Composition
Brand |
Material |
C |
Si |
Mn |
P |
S |
Cr |
XT-1 |
45# |
0.42-0.48 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
≤0.25 |
XT-2 |
50MN |
0.48-0.56 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
XT-3 |
60MN |
0.57-0.65 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
XT-4 |
65MN |
0.62-0.70 |
0.17-0.37 |
0.90-1.20 |
≤0.035 |
≤0.035 |
≤0.25 |
XT-5 |
B2 |
0.75-0.85 |
0.17-0.35 |
0.70-0.90 |
≤0.030 |
≤0.030 |
0.40-0.60 |
XT-6 |
B3 |
0.55-0.65 |
0.20-0.37 |
0.75-0.90 |
≤0.030 |
≤0.030 |
0.85-1.20 |
XT-7 |
B4 |
0.58-0.66 |
1.60-1.90 |
0.65-0.80 |
≤0.030 |
≤0.030 |
0.70-0.9 0 |
2. Surface Hardness, Center Hardness and Impact Toughness
Brand |
Material |
Impact toughness AK.J/cm2 |
Dropping test |
Hardness(HRC) |
|||||
Φ25mm-Φ50mm |
Φ60mm-Φ90mm |
Φ100mm-Φ130mm |
|||||||
Surface |
Center |
Surface |
Center |
Surface |
Center |
||||
XT-1 |
45# |
≥16 |
≥12000 |
≥54 |
≥36 |
≥54 |
≥34 |
≥52 |
≥30 |
XT-2 |
50MN |
≥15 |
≥12000 |
≥58 |
≥38 |
≥58 |
≥36 |
≥55 |
≥32 |
XT-3 |
60MN |
≥15 |
≥12000 |
≥60 |
≥42 |
≥60 |
≥40 |
≥58 |
≥36 |
XT-4 |
65MN |
≥15 |
≥12000 |
≥60 |
≥42 |
≥60 |
≥40 |
≥58 |
≥36 |
XT-5 |
B2 |
≥15 |
≥12000 |
≥60 |
≥60 |
≥60 |
≥50 |
≥60 |
≥46 |
XT-6 |
B3 |
≥15 |
≥12000 |
≥60 |
≥60 |
≥60 |
≥50 |
≥60 |
≥48 |
XT-7 |
B4 |
≥15 |
≥12000 |
≥60 |
≥60 |
≥60 |
≥55 |
≥60 |
≥52 |
3.Size, Tolerance, Weight and Microstructure
Diameter (mm) |
Tolerance (mm) |
Single ball weight (g) |
The number of forged balls per ton |
Microstructure |
φ20 |
+1 -0.5 |
33 |
30303 |
Martensite + Bainite + Carbide |
φ25 |
+1.5 -0.5 |
64 |
15625 |
|
φ30 |
+1.5 -0.5 |
110 |
9090 |
|
φ40 |
+2 -1 |
260 |
3846 |
|
φ50 |
+2 -1 |
510 |
1961 |
|
φ60 |
+2 -1 |
890 |
1124 |
|
φ70 |
+3 -2 |
1400 |
714 |
|
φ80 |
+3 -2 |
2100 |
476 |
|
φ90 |
+3 -2 |
3000 |
333 |
|
φ100 |
+3 -2 |
4100 |
244 |
|
φ110 |
+4 -3 |
5470 |
183 |
|
φ120 |
+4 -3 |
7100 |
141 |
|
φ130 |
+4 -3 |
9020 |
111 |
4. Product performance: High hardness, Unbreakable, Good wear resistance, Low consumption rate
5. Application fields: Mining, Cement Plants, Power Stations and Chemical Industries etc.
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