• Model NO.：20-150mm
• Customized：Customized
• Drop Test Times：More Than 20000
• Packaging：Steel Drum, Container Bag
• Diameter：20-150mm
• Hardness：55HRC-67HRC
• Field：Mine, Cement, Electric Power Plant
• Delivery：Prompt
• Impact Value：More Than 12j,Cm2
• Transport Package：Bag or Steel Drums
• Specification：Dia. 20-150mm
• Trademark：HM
• Origin：China
• HS Code：73261100
• Production Capacity：150, 000 Mt,Year

Chemical   ComponentsTypeChemical componentsCSiMnCrMoCuPSLow-Cr1.8-3.3≤1.50.3-1.51-3≤1.0≤0.8≤0.10≤0.10Medium-Cr1.8-3.3≤1.20.3-1.54-9≤1.5≤0.8≤0.10≤0.10High-Cr1.8-3.3≤1.20.3-1.510-18≤1.0≤1.2≤0.10≤0.06Superhigh-Cr1.8-3.3≤1.20.3-1.519-35≤2.0≤1.2≤0.10≤0.06Mechanical Properties and MicrostructureTypeHardnessFalling timesMicrostructureImpact ToughnessLow-Cr≥45≥8000M+C≥6Medium-Cr≥50≥12000M+C≥6High-Cr≥58≥15000M+C≥6Superhigh-Cr≥60≥22000M+C≥6P-Pearlite  C-Carbide    M-Martensite

 

Nominal DiameterDiameter ToleranceWeight of Single Ball In AverageNumbers of Per Ton Ball In Average(mm)(Inch)(mm)(g) 200.75''+2 
-13231250251''6415625301.25''1109090401.5''2633802502''5131949602.5''+3 
-28881126702.751410709803.25''2104475903.5''29963331004''41102431104.5''+4 
-254571821204.75''71021401305''90301101405.5''+4 
-311278881506''1387172
Hot Product

1. Testing Machine
2. Certification
 

Production Line

Packaging & Shipping 

Application

FAQ

1. Which kind of steel balls that you produce?

Our main products are high chrome cast grinding balls, forged balls, grinding cylpebs.

2. What's your warranty?

1 year.

3. Can you provide free sample?

Yes, we are glad to supply free samples which quantity is less than 10kgs. But usually the courier fee should be paid by customer.  

4. How about your quality control?

In order to ensure the quality, we have strict quality control system.

a) We will test when purchase the raw materials.

b) We will test the products when finished. 

5. What's your wear rate and breakage rate?
In different application areas, the wear rate is different. But the breakage rate is less than 0.5%.

6. Do you have any certificate?

Yes, our company has ISO 19001:2008 certificate.

We could also supply customer the Test report, SGS by third party.