• Model NO.：20mm-150mm
• Customized：Non-Customized
• Breakage Rate：1% Max
• Surface Hardness：More Than HRC 60
• Transport Package：Steel Drum , Container Bag
• Specification：ISO9001: 2008
• Trademark：ZW
• Origin：Zhangqiu, Shandong, China
• HS Code：73261100
• Production Capacity：50000 Tons

Name
Material
Impact Test(Ak.J/cm²)
Endurance Test Times(5m/T)
Surface Hardness
(Φ25mm- Φ60mm)
Core Hardness
(Φ25mm- Φ60mm)
Surface Hardness
(Φ70mm- Φ100mm)
Core Hardness
(Φ70mm- Φ100mm)
Breakage
ZW-1
50Mn
≥12
≥10000
≥56
≥35
≥56
≥28
<1%
ZW-2
60Mn
≥13
≥10000
≥58
≥38
≥58
≥29
<1%
ZW-3
65Mn
≥15
≥12000
≥60
≥42
≥60
≥30
<1%
ZW-4
B2
≥17
≥12000
≥60
≥52
≥60
≥50
<1%
ZW-5
75SiMn
≥16
≥12000
≥60
≥50
≥60
≥48
<1%
ZW-6
Wear-resistant Alloy
≥17
≥12000
≥60
≥54
≥60
≥52
<1%
 
Physical Propertof Cast Grinding Media Steel Ball
 
MAME
BRAND
HARDNESS
IMPACT VALUE
ak(J/cm2)
 
METALLOGRAPHIC
ORGANIZATION
 
BALLS
FATIGUE LIFE
QUENCHING STATE(A)
NO- QUENCHING STATE(A)
IMPACT
High Chromium
Casting Ball
 
 
ZQCr26
≥60
≥45
≥4.0
M+C
≥8000
ZQCr20
≥60
≥45
≥3.5
≥8000
ZQCr17
≥60
≥49
≥3.0
≥8000
ZQCr13
≥60
≥50
≥2.3
≥8000
SGS test report will be provided according to clients's requirement.


Packaging & Shipping
Packing: Container bags or steel drums or others.
For Container Bag, Net weight 1000Kgs ,Gross Weight 1002KGS ,Measurement 0.4CBM
For Steel Drums ,Net weight 850-950Kgs ,Gross Weight 865-965KGS ,Measurement 0.3CBM .
Shipping and delivery 
Port of loading:Qingdao Port,China
Delivery time : Normally 2-3 weeks after down payment received.
Partial shippment allowed
FAQ
Payment terms : T/T (30% DP,balance against copy of B/L.;  L/C 
Samples :  Free samples are provided for test before trial order 
MOQ : 1 Ton
For more information about our products ,Pls feel free to contact us