| Luogo di origine: | Città di Jinan, provincia di Shandong, Cina | 
| Marca: | ZW | 
| Certificazione: | ISO9001:2008 | 
| Numero di modello: | di acciaio, di acciaio inossidabile | 
| Quantità di ordine minimo: | 1 tonnellate | 
|---|---|
| Prezzo: | USD 550-680/Ton | 
| Imballaggi particolari: | borse del contenitore, tamburo d'acciaio | 
| Tempi di consegna: | 21 giorni dopo la conferma dell'ordine | 
| Capacità di alimentazione: | Produzione annua 80000 tonnellate | 
| Dimensione: | Costume | Composizione chimica: | C: 0,52-0,65%, Si: 0,15-0,37%, Mn: 0,6-1,2%, P: ≤0,025%, S: ≤0,025% | 
|---|---|---|---|
| Forma: | Girare | Categoria: | Testatori di durezza | 
| Evidenziare: | heat-treated forged steel balls,cement plant steel balls,hot rolling steel balls | ||
Heat-Treated Forged Steel Balls | Cement Plant Use | Export Ready
1.The breakage rate less than 1.0%, crush resistance is generally cast ball more than 10 times.
2.The impact toughness of high impact toughness than 12J/cm2: 8 meters, more than 20000 times of falling ball experiment.
3.The high hardness, the surface hardness from 42-68 HRC.
4.No deformation,not out of roundness.
5.Compact structure, high performance-price ratio.
| Material | Chemical Elements | |||||
| C | Si | Mn | P/S | Cr | Hardness (HRC) | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 | 60-65 | 
| 60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 | 58-63 | 
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 | 55-58 | 
| B3 | 0.58-0.66 | 1.3-1.9 | 0.65-0.8 | <0.025 | 0.7-0.9 | 56-65 | 
| B6 | 0.97-1.03 | 0.2-0.3 | 1.0-1.1 | <0.025 | 0.5-0.6 | 61-65 | 
Hardness
| 
 Material 
 | 
 25mm-50mm HRC | 
 60mm-90mm HRC | 
 100mm-125mm HRC 
 | 130-150mm HRC | ||||
| Surface | Core | Surface | Core | Surface | Core | Surface | Core | |
| C45 | 55-58 | 55-58 | 50-68 | 23-30 | 48-52 | 22-26 | 48-52 | 22-25 | 
| 60Mn | 58-62 | 55-60 | 58-62 | 30-36 | 57-61 | 26-32 | 57-61 | 26-30 | 
| B2 | 60-64 | 58-64 | 57-64 | 45-60 | 55-60 | 38-48 | 55-60 | 38-42 | 
| B3 | 62-65 | 60-65 | 60-65 | 58-65 | 56-65 | 50-62 | 56-63 | 50-55 | 
| B6 | 62-65 | 60-65 | 61-65 | 58-65 | 60-63 | 50-62 | 61-63 | 50-55 | 

Strict quality control of steel material from LAIWU STEEL FACTORY GROUP, the Biggest
factory group in North of China.

1.Traditional Hammer Forging:
Raw material-Cutting-Heating-Forging-Quenching-Tempering-Testing-Packing
2. Hot Rolling


1.Surface quality inspection.
2.Size.
3.Surface hardness test.
4.Core pulling the volume hardness test.
5. The impact toughness test.
6. Metallographic examination.
7. Drop test.
Container bags(Net weight:1000KGS) or Steel drums(850-900KGS) or in clients' requirements


Our company is located in Zhangqiu ,Jinan City,Shandong Province, which is provided with superior geographical position and convenient transportation. Our company covers an area of 15,000 square meters,with two million registered capital .And there are 150 existing staff,including 21 technicians.
Our main products: forging grinding steel balls,and (high,low,medium) chrome alloyed casting iron balls,casting cylpebs,grinding rods.
Application of our products: various mines,cement plants,power stations and chemical industries.
Priorities of our products: High hardness, good wear resistance, breakage rate lower than 1%.



Persona di contatto: Mrs. cherry lee
Telefono: +8613793138983
Fax: Jinan Zhongwei Casting And Forgi
Addresss: Strada Puji, distretto di Zhangqiu, città di Jinan, provincia di Shandong, Cina
Factory Indirizzo:Lejia, città di Puji, città di Zhangqiu Jinan, provincia di Shandong, Cina