20mm Hot Rolling Grinding Ball
Brand ZW
Product origin Shandong, China
Delivery time 7 days
Supply capacity 6000 tons per month
Hot rolled steel balls have the advantages of fast delivery, large output and stable quality, especially suitable for long-term procurement of large mining groups
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1. Advantages
Compared with forged steel balls, hot-rolled steel balls have higher production efficiency, higher degree of automation, fewer links of manual operation, and are characterized by high overall hardness, dense structure, no loss of roundness, no breakage, no deformation, and high cost performance.
2. Production process
Raw material inspection - medium frequency furnace heating - spinning into balls - quenching treatment - tempering treatment - testing - packaging
3. Chemical composition
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 |
4. Quality inspection
a. Hardness test;
b. Impact test;
c. Metallographic inspection;
d. Take out the core to test the hardness of the heart
5. Company Profile
Jinan Zhongwei established in 2000 , we are a leading manufacturer and professional exporter grinding balls in China.
Our company covers an area of 15000 square meters, now we have 150 staff, including 13 technical staff. Annual output is 50000 tons to 80000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod, cylpebs
We have exported to 20 more countries, UAE, Zambia,South Africa, Peru, Chile, Australia, UK, USA, Turkey and so on.
