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  • 产品名称: Forged steel ball for gold mining
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Breif Description:
Size: 20-150mm

Inspection: SGS/BV/TUV
Origin: Shandong Province, China 


The production process of the forged grinding balls:
1). Raw material:
All the material is qualified with certificate and made in the Chinese largest steel production enterprise.
2). Different steel specifications ccording to the clients's requirements.
Main Steel Material :C45 Steel;60Mn Steel;B2 Steel
3). Steel Cutting:
the steel bars should be cut into small pieces according to the size of steel balls required by the order.
4). Heating:
we use the electric furnace instead of the traditional coal stove, the biggest advantage is that all the steel bars can accept the most approriate temperature during the heating progress. It affect the hardness and toughness directly.
5). Hammer forging:
The raw material is forged to a certain deformation by the air hammer, when the compression ratio increased, the micro-structure become more compact so that the hardness and the toughness can be improved.
6). Heat treatment:
Both the water quenching heat treatment production line and our own temperature control technics are important.
We have mature production technicians responsible for the heat treatment process as we know this process affect the grinding balls performance directly.
7). Quality Control.
Raw material test before production
Hardness test Drop Test Impact Test Core pulling Test after production
SGS test before delivery
Certificate: ISO 9001:2008

Dia 60mm Ball Mill Grinding Media for cement plant with high hardness



Brand Material C Mn Si Cr P/S Ni
DT-1 50Mn 0.48-0.56 0.65-1.0 0.17-0.37 0.15max 0.035max 0.05max
DT-2 60Mn 0.57-0.65 0.70-1.1 0.17-0.37 0.25max 0.035max 0.05max
DT-3 65Mn 0.62-0.75 0.90-1.2 0.17-0.37 0.25max 0.035max 0.10max
DT-4 75MnCr(B2) 0.72-0.85 0.70-0.90 0.17-0.35 0.40-0.60 0.035max 0.15max
DT-5 B3 0.50-0.65 0.4-1.0 1.40-1.80 0.77-1.10 0.035max 0.15max
DT-6 45# 0.42-0.48 0.50-0.80 0.17-0.37 0.15max 0.035max 0.05max

  Dia 60mm Ball Mill Grinding Media for cement plant with high hardness
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

1.Port of Loading: Qingdao Port,China
2.Partial shippment allowed
3.By DHL/TNT express for samples order.Door to door to delivery;
4.Appointed freight forwarder by customers is acceptable
Our Services
1. Free samples for your test before orders;
2. Soonest delivery time ;
3. Cooperate with many famours shipping companies,and sent the goods to your port safe and in time;
4. Any feedback after sales would get our soonest reply.

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Contact us

Contact: Peter Yang

Mobile(Whatsapp):+86 13176006313

Contact: Nina Wong

WhatsApp:+86 15552536018