• Model NO.：high chrome
• Customized：Customized
• Chemical Composition：C Si Mn S P Cr
• Endurance Test Times：12000
• Breakage：1%
• Certification：ISO9001:2008
• Hardness：58-62HRC
• Transport Package：Container Bag, Steel Drum
• Specification：High Chrome Cast Balls
• Trademark：Jinan zhongwei
• Origin：Shandong Jinan
• HS Code：73261100
• Production Capacity：1000000

Chemical elements Hardness CSiMnSPCr
HRC
 Special Cr12.0-3.0<1.00.5-2.0≤0.06≤0.08>2058-64Special Cr22.0-3.0<1.00.5-2.0≤0.06≤0.08>1558-64High Cr2.0-3.2<1.00.5-2.5≤0.06≤0.08>1058-62Medium Cr2.0-3.2<1.00.5-2.5≤0.06≤0.08≥545-48Low Cr2.2-3.4≤1.20.5-1.5≤0.06≤0.081.0-1.542-46 
Physical Property & MicrostructureNameHRCAk(J/cm 2 )MicrostructureTimes of Falling BallsLow Cr Balls≥45≥2.5P+C≥10000Medium Cr Balls≥48≥3.0P+C≤Φ80≥15000≥Φ80≥10000High Cr Balls≥58≥4M+C+A≤Φ80≥15000≥Φ80≥10000M-Martensite     P-Pearliet     C-Carbide    A-Austenite
   
 Size(mm)Weight(kg/pc)Quantity(pc/t)Φ300.119091Φ902.90345Φ400.253891Φ1004.00250Φ500.502000Φ1105.30188Φ600.861153Φ1206.80147Φ701.37729Φ1307.70129Φ802.05487Φ1408.74114
  
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.


ApplicationL: 
1) CEMENTPLANTS, 
2) Metal mining in mines
3) power stations
4) Chemical engineering 
Advantage
1. Jinan Zhongwei has 16 years production and exporting experience.
 
2.We keep continuous adjustment and improvement in production according to the customer's requirement at the last 10 years.
 
3.On the basis of satisfied customer's 50,000 tons/year demand, Jinan Zhongwei has more 30,000 - 50,000 tons/year production capacity for the new cooperative partner.
 
4.Stable price system - 12 months price validity
 
5.Payment terms ( Negotiate)
FAQ
1. Can you provide samples for free?
Answer: Yes, Free Sample.
2. Are you a manufacturer or a trading company?
Answer: We are a manufacturer, and we have independent export qualification.
3. What kind of payment you can accept?
Answer: T/T , L/C, Paypal,Western Union
4. How about your quality control?
Answer: 100% check before delivery to ensure the products quality.
5. If I send an inquiry ,when can you reply ?
Answer: Immediately.
6. How about your packing?
Answer:Container bags & Steel drum with wooden pallets or iron pallets
7. Do you have any certificate ?
Answer : ISO9001:2008, SGS and BV inspection or any third party test.
8. How about your delivery time? (25 tons)
Forged balls : 3-5 days after deposit 
Cast balls : 5-7 days