Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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Low wear rate Grinding Steel Balls in cast and forged , HS 73261100
As a leading global manufacturer of grinding steel balls , we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of grinding steel balls ,grinding rods, grinding cylpeb .
We supply forged steel grinding steel balls with diamater 20mm-150mm.
We supply casted iron grinding steel balls with diamater 20mm-150mm.
We supply grinding rods made by C45 Steel ,60Mn Steel,B2 Steel,B3 Steel.
We supply grinding cylpeb (Cylinder) with High Chrome,Low Chrome,Medium Chrome
1. Electric Furnace as compared to coal
2. Fair Market Price
3. Quality guarantee
4. On time delivery
Type and Chemical Composition of Forged grinding media Ball
| Name | Material | C | Mn | Si | Cr | S | P |
| ZW-1 | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| ZW-2 | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| ZW-3 | 65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| ZW-4 | B2 | 0.70-0.85 | 0.70-0.80 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 |
| ZW-5 | 75SiMn | 0.70-0.90 | 0.70-1.20 | 0.4-0.8 | ≤0.25 | ≤0.03 | ≤0.03 |
| ZW-6 | Wear-resistant Alloy | 0.50-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 |
Physical Property of Forged steel grinding media Ball
| 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% |
Type and Chemical Composition of Cast iron grinding media Ball
| NAME | BRAND | CHEMICAL COMPOSITION(%) | ||||||
| C | Si | Mn | Cr | Mo | P | S | ||
| High Chromium Cast Ball
| ZQCr26 | 2.0-3.4 | ≤1.2 | ≤1.5 | 22-28 | ≤1.5 | ≤0.10 | ≤0.10 |
| ZQCr20 | 2.0-3.4 | ≤1.2 | ≤1.5 | 17-22 | ≤1.5 | ≤0.10 | ≤0.10 | |
| ZQCr17 | 2.0-3.4 | ≤1.0 | ≤2.5 | 15-17 | ≤1.5 | ≤0.10 | ≤0.10 | |
| ZQCr13 | 1.7-3.4 | ≤1.0 | ≤2.5 | 11-14 | ≤1.5 | ≤0.10 | ≤0.10 | |
Physical Propertof Casting grinding media 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 | ||
Quality Control.
Raw material test before production
Hardness test Drop Test Impact Test Core pulling Test after production
SGS test before delivery
Certificate: ISO 9001:2008
Grinding Steel Balls Package
Big bags (1000Kg Per Bag)
Steel drums (850~920Kg Per Drum)
Grinding Steel Balls Applied Fields
1. Mining
2. Cement Plants
3. Chemical Industries
4. Power Stations
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.
TEL: +86 15588873848
Email: info@zwgrindingball.com
Contact : Jessise