Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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China Low Price High quality Mining Special Use Grinding Media Balls
Company Profile:
We, Jinan Zhongwei, are manufacturer and exporter of grinding balls in China,with the annual output of 50,000 to 70,000 metric tons.
Our company is located in Zhangqiu ,Jinan City,Shandong Province, which is provided with superior geographical position and convenient transportation. Our company covers an area of 15,000 square meters,with two million registered capital .And there are 150 existing staff,including 21 technicians.
Our main products: forging grinding steel balls,and (high,low,medium) chrome alloyed casting iron balls,casting cylpebs,grinding rods.
Application of our products: various mines,cement plants,power stations and chemical industries.
Priorities of our products: High hardness, good wear resistance, breakage rate lower than 1%.
Forged ball Specification:
| Material | Chemical elements | ||||
| C | Si | Mn | P/S | Cr | |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | ＜0.04 | 0.4-0.6 |
| 60Mn | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | ＜0.04 | ＜0.25 |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ＜0.035 | ≤0.25 |
| B3 | 0.58-0.66 | 1.6-1.9 | 0.65-0.8 | ＜0.025 | 0.7-0.9 |
Cast Iron Ball Specification:
|
Name |
Material | Chemical elements | Hardness | |||||
| C | Si | Mn | S | P | Cr | HRC
| ||
|
Cast iron ball | Special cr1 | 2.0-3.0 | ＜1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | ＞20 | 58-64 |
| Special cr2 | 2.0-3.0 | ＜1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | ＞15 | 58-64 | |
| High Cr | 2.0-3.2 | ＜1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | ＞10 | 58-62 | |
| Medium Cr | 2.0-3.2 | ＜1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | ≥5 | 45-48 | |
| Low Cr | 2.2-3.4 | ≤1.2 | 0.5-1.5 | ≤0.06 | ≤0.08 | 1.0-1.5 | 42-46 | |
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
Advantage:
1. All of the grinding material can do the well-know and most professional in grinding media industry test certificate: SGS
2. All products are our own production, no other commissons expense. We guarantee to provide the best competitive price
3. Delivery on time, due to our production capacity: 100,000 tons/year