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Contact: kimy.lee
Company: Suizhou Gaincin Machinery Co.,Ltd
No.1704, Jingxiu River, Wenfeng, Zengdu, Suizhou, Hubei, P.R.China
Suizhou/Hubei 441300
China
Phone: +86 0722 3588806
Fax: +86 0722 3588806 x 8002
E-Mail: Send Inquiry
Date/Time:  5/16/19 7:37 GMT
 

grinding forged steel balls, rolled steel forged mill ball, forged balls

Gaincin Machinery(Gaincin.com) is manufacturer and exporter for forged steel
grinding balls with forging process in house ,our forged grinding steel balls have
the following featurers :
1) High Hardness: Surface hardness of forged steel ball is to 60-68 HRC and volume
hardness of forged grinding ball is to 60-65 HRC;
2) High Impact Toughness: The impact toughness is more than 15 J/cm2;
3) Low Broken Rate: The actual broken rate is not higher than 1%;
4) Even Wear-resistance: The wear rate of cast ball is 50-700 g/ton.

2. Chemical Composition of Forged Grinding Ball
Based on steel material, the forged steel balls are defined into 7 brands. And
their chemical composition is shown in the following:
Material C Mn Si Cr S P V
TT-45 0.42-0.56 0.50-0.8 0.17-0.37 ≤0.25 ≤0.035 ≤0.035
50MN 0.48-0.56 0.70-1.0 0.17-0.37 ≤0.25 ≤0.035 ≤0.035
60MN 0.57-0.65 0.70-1.0 0.17-0.37 ≤0.25 ≤0.030 ≤0.030
65MN 0.60-0.70 0.70-1.20 0.17-0.37 ≤0.25 ≤0.030 ≤0.030
75MnCr(B2) 0.72-0.85 0.70-1.20 0.17-0.37 0.42-0.85
≤0.030 ≤0.030
B3 0.5-0.65 0.4-1.0 1.3-1.9 0.7-1.2 ≤0.020 ≤0.020 0.1-0.2

3. Product Description of Forged Grinding Ball
Impact Test AK.J/cm2 Endurance Test Times(5m) Surface Hardness
Core Hardness
20-60mm 70-150mm 20-60mm 70-150mm
≥15 ≥15000 ≥53 ≥52 ≥38 ≥35
≥15 ≥15000 ≥55 ≥55 ≥50 ≥40
≥15 ≥15000 ≥56 ≥55 ≥50 ≥45
≥16 ≥15000 ≥58 ≥55 ≥55 ≥45
≥16 ≥15000 ≥58 ≥56 ≥58 ≥52
≥16 ≥15000 ≥60 ≥58 ≥60 ≥55

4. Specification of Forged 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'' 13871 72

Suizhou Gaincin Machinery Co., Ltd
Address: no.1704,economic and technical
development zone,Suizhou,P.R.China
E-mail:Info@gaincin.com< , br>Kimy.Lee@gaincin.com
Candy.Wu@gaincin.com
Tel: 86-722-358 8806
Fax: 86-722-358 8806 x 8002
Website: www.gaincin.com
Showroom:gaincin.bossgoo.com

Minimum Order: 10 tons

grinding forged steel balls, rolled steel forged mill ball, forged balls
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