DIA 80MM Casting Ball for Grinding Media with the hardness HRC 60-65
Breif Description:
1. Size: Φ20mm-150mm
2. Material: high/medium/low chrome alloyed
Low Chrome: Cr=1-3%,Medium Chrome: Cr=3-9%High Chrome: 15-23% Super High Chrome: Cr=10-13%
3. Characteristics: high hardness, good wear resistant, low breakage, no deformation.
4. Hardness: 45-65HRC; Breakage rate ≤1%; Drop times≥10,000.00
5. Application: cement, metallurgy, mining, electric power, chemical and magnets industries.
Inspection: SGS/BV/TUV
Origin: Shandong Province, China
Specification:
| Type | Chemical components | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Low-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 1-4 | ≤1.0 | ≤0.5 | ≤0.15 | ≤0.15 |
| Medium-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 4-9 | ≤1.5 | ≤1.0 | ≤0.15 | ≤0.15 |
| High-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 10-18 | ≤1.0 | ≤1.5 | ≤0.10 | ≤0.10 |
| Superhigh-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 22-25 | ≤2.0 | ≤1.5 | ≤0.10 | ≤0.10 |
Mechanical Properties and Microstructure
| Type | Mechanical properties | Microstructure | ||||||
| HRC | Falling ball times | |||||||
| Low-Cr | ≥45 | ≥8000 | P+C | |||||
| Medium-Cr | ≥50 | ≥12000 | M+C | |||||
| High-Cr | ≥58 | ≥15000 | M+C | |||||
| Superhigh-Cr | ≥60 | ≥22000 | M+C | |||||
P-Pearlite C-Carbide M-Martensite | ||||||||
Cast Iron Balls Specifications
a) unbreakable
b) grinding resistant
c) high impact value
d) high combined efficiency of grinding mill
Forged Grinding Steel Balls
1) In general, forged steel ball has high hardness: surface hardness to 55-68 HRC, volume hardness of 50-63 HRC
2) Impact toughness high: impact toughness more than 12 J / cm2.
3) Broken rate is low: the actual broken rate is not higher than 1%.
4) Loss of grinding forged steel ball round rate is low.
Question:
Q1. What is the advantage of your company?
a. We are a professional steel ball manufacturers, which have 10 years of production experience.
b. Original manufacturer, real existed factory.
c. Hi-Tech and capable production line.
d. High quality, reasonable price, timely full service.
Q2. In which countries are your products sold?
Our products are exported to over 30 countries and regions including USA, Republic of Korea, Japan, Malaysia, Australia, Canada and South Africa, etc., well and universally received by clients.
In order to better serve customers, we have set up the office in Malaysia, Chile, United States and Spain.
Q3. How to ensure the quality of your product?
b. Every batch of steel ball must be detect the size, weight, hardness, chemical composition. And we will test other items according to the customers requirements.
c. If the test is unqualified, we will not shipment.
Q4. Sample order is acceptable or not?
Sample order is acceptable.You are warmly welcomed to vist our factory.The order can be placed
after your investigation.
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 15508621
