Hot Rolling Ball Mill Balls , High Hardness Cast And Forged Grinding Ball, China Hot Rolling Ball Mill Balls , High Hardness Cast And Forged Grinding Ball Supplier

Hot Rolling Ball Mill Balls , High Hardness Cast And Forged Grinding Ball - 45#,60MN,B2,B3

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1.Feature:

1) High Hardness: surface hardness of?ball?mill grinding meda ball is to 58-68 HRC and volume hardness is to 55-63 HRC;

2) High Impact Toughness: impact toughness is more than 12 J/cm2;

3) Low Broken Rate: the actual broken rate is not higher than 1%;

4) Even Wear-resistance: the loss of ball round rate is 50-300g/ton.

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2.Chemical Composition of Forged Grinding Ball

Based on material, forged steel balls are defined into 7 brands. And The chemical composition is shown in the following:

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Brand | Material | C | Mn | Si | Cr | S | P |
TITLE-1 | 50MN | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
TITLE-2 | 60MN | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.030 | ≤0.030 |
TITLE-3 | 65MN | 0.60-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.030 | ≤0.030 |
TITLE-4 | 75Mn | 0.72-0.92 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.030 | ≤0.030 |
TITLE-5 | 75MnCr(B2) | 0.70-0.85 | 0.70-1.20 | 0.17-0.37 | 0.42-0.85 | ≤0.030 | ≤0.030 |
TITLE-6 | 75SiMn | 0.70-0.90 | 0.70-1.20 | 0.4-0.8 | ≤0.25 | ≤0.030 | ≤0.030 |
TITLE-7 | B3 | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.030 | ≤0.030 |
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3.Chemical Composition of Casting Grinding Ball

Based on material, cast steel balls are defined into 6 brands. And The chemical composition is shown in the following:

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Model | Material | C | Si | Mn | Cr | S | P |
High Chrome | Cr-22-32% | 2.0-2.8 | ≤1.0 | 0.5-2.0 | 22-32 | ≤0.01 | ≤0.01 |
Cr-17-22% | 2.0-2.8 | ≤1.0 | 0.5-2.0 | 17-22 | ≤0.01 | ≤0.01 |
Cr-14-17% | 2.2-3.0 | ≤1.0 | 0.5-2.0 | 15-17 | ≤0.01 | ≤0.01 |
Cr-10-14% | 2.2-3.2 | ≤1.0 | 0.5-2.5 | 10-14 | ≤0.01 | ≤0.01 |
Medium Chrome | Cr-5-9% | 2.1-3.2 | ≤1.2 | 0.5-1.5 | 5-9 | ≤0.01 | ≤0.01 |
Low Chrome | Cr-1-4% | 2.2-3.5 | ≤1.2 | 0.5-1.5 | 1-4 | ≤0.02 | ≤0.02 |
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4.Specification of Grinding Ball

5.Specification of Casting Grinding Ball

1)High chrome cast balls

Size: 20mm-150mm

Hardness:HRC58-65; Chrome content:11-14%
2)Low chrome cast balls
Size: 20mm-150mm
Hardness:HRC45-55; Chrome content:1-5%

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Grinding Media Balls Package ( Container bags and steel drums are two common used package all over the world,let me know which one you want.)

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Grinding Media Balls Contact ( 24 hours on line waiting for your consult)

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Contact us

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July Sun

Skype julysun214

Email julysun@zwgrindingball.com

Mobile (whats app) 86-15666667179

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Get Quote

Jinan 聽Zhongwei聽 Casting聽And聽Forging聽Grinding聽Ball聽Co.,Ltd

Address: Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China, Jinan, Shandong, China, 250000
Tel: 86-0531-83215819
We jinan zhongwei will continue to promote the benefits and applications of our grinding media to an ever-widening industrial marketplace.We are ready to contribute our share in advancing mutual benefit and win-win cooperation.