High quality High Hardness 30 mm Steel Grinding Balls for ball mill
Breif Description:
Size: 20-150mm Inspection: SGS/BV/TUV
Origin: Shandong Province, China
High Hardness: The surface hardness of forged and rolling balls is to 60-65 HRC and volume hardness is to 60-63 HRC
High Impact Toughness: The impact toughness is more than 12 J/cm2;
Low Broken Rate: The actual broken rate is not higher than 1%;
Even Wear-resistance: The loss of ball round rate is 50-300 g/ton.
Chemical composition:
| Material | C | Mn | Si | Cr | S | P |
| 45# | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.25 | ≤0.025 | ≤0.025 |
| 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.025 | ≤0.025 |
| 65Mn | 0.62-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| 40Cr | 0.37-0.44 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 | ≤0.035 | ≤0.035 |
Raw Material:
Strict quality control of steel material from BIG STEEL FACTORY GROUP.You know the good grinding balls quality depends on the good raw material.
Prodcution Line:
1.Traditional Hammer Forging: Raw material-Cutting-Heating-Forging-Quenching-Tempering-Testing-Packing
2. Hot Rolling
Testing:
Quality control for each production shift (4hours/Shift);
Hardness, chemical elements and impact testing after production for each production shift;
SGS –third party testing before each delivery
Packing:
Container bags(Net weight:1000KGS) or Steel drums(850-900KGS) or in clients' requirements
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WE LOOK FORWARD TO THE OPPORTUNITY TO DISCUSS HOW WE CAN BECOME A PARTNER IN YOUR SUPPLY CHAIN SOLUTION .
Grinding Media Contact ( 24 hours on line waiting for your consult):
Email:zhang@grindingballs.net.cn
Skype:xiao627965
WhatsApp:+86 15508621235
