| Dimensions: | 20mm-150mm |
|---|---|
| Material: | Steel |
| Application: | Mines,Cement Plants,Power Stations,Chemical Industries |
| Model Number: | 20mm-150mm |
| Brand Name: | DT |
| Place of Origin: | China (Mainland) |
| Endurance impact test: | >12000 |
Quick Details
Specifications
good roundness grinding ball :
Chemical elements:
DT-1: 45# C:0.42-0.50 Mn:0.50-0.80 Si:0.17-0.37 Cr:0.2 max P: 0.035max Ni:0.25max Cu:0.25max
DT-2: 60Mn C:0.57-0.65 Mn:0.7-1.0 Si:0.17-0.37 Cr:0.25max S:0.035max P:0.035max Ni:0.3max Cu:0.25max
DT-3: 65Mn C:0.62-0.70 Mn:0.9-1.0 Si:0.17-0.37 Cr:0.25max S:0.035max P:0.035max Ni:0.3max Cu:0.25max
DT-4: B2 C:0.72-0.92 Mn:0.7-1.2 Si:0.17-0.37 Cr:0.4-0.6 S:0.04max P:0.04max
DT-5: 42Cr C:0.38-0.45 Mn:0.50-0.80 Si:0.17-0.37 S:0.035max P:.35max Cr:0.9-1.2 Ni:0.3max Cu:0.30max
1.Sizes:DIA20-150mm
2.Hardness: HRC55-67
3.Breakage rate: <1%
4.Chemical elements:C . Si . Mn . P . S . Cr
5.Impact toughness: >12J/CM2
6.Endurance impact test: >12000
7.Delivery Detail: (7-45) days according to your quantity
8. Certificate: ISO 9001:2008,ISO14001
Mechanical Properties:
|
Spec. |
42Cr |
50Mn |
60Mn |
65Mn |
|
|
Impact Test AK.J/CM2 |
≥12 |
≥12 |
≥13 |
≥15 |
|
|
Endurance Test Times (5m) |
≥10000 |
≥10000 |
≥12000 |
≥12000 |
|
|
Dia 25-60mm
|
Surface |
≥55 |
≥56 |
≥58 |
≥62 |
|
Core |
≥48 |
≥50 |
≥52 |
≥54 |
|
|
Dia 70-100mm |
Surface |
≥52 |
≥55 |
≥58 |
≥58 |
|
Core |
≥45 |
≥50 |
≥50 |
≥52 |
|
Specification of steel ball:
|
Diameter |
Diameter Tolerance |
Weight / ball |
Surface Hardness |
Impact Toughness |
|
(mm) |
(mm) |
(g) |
(HRC) |
(j/cm2 ) |
|
Φ20 |
±2 |
33 |
60-68 |
≥12J/CM2 |
|
Φ25 |
±2 |
65 |
≥12J/CM2 |
|
|
Φ30 |
±2 |
110 |
≥12J/CM2 |
|
|
Φ40 |
±2 |
263 |
≥12J/CM2 |
|
|
Φ50 |
±2 |
513 |
≥12J/CM2 |
|
|
Φ60 |
+3,-1 |
889 |
≥12J/CM2 |
|
|
Φ70 |
+3,-1 |
1410 |
≥12J/CM2 |
|
|
Φ80 |
+3,-1 |
2105 |
≥12J/CM2 |
|
|
Φ90 |
+3,-1 |
2996 |
55-63 |
≥12J/CM2 |
|
Φ100 |
+3,-1 |
4110 |
≥12J/CM2 |
|
|
Φ110 |
+4,-2 |
5457 |
53-60 |
≥12J/CM2 |
|
Φ120 |
+4,-2 |
7102 |
≥12J/CM2 |
|
|
Φ130 |
+4,-2 |
9030 |
≥12J/CM2 |
|
|
Φ140 |
+4,-2 |
11278 |
≥12J/CM2 |
|
|
Φ150 |
+4,-2 |
13870 |
≥12J/CM2 |
Characteristics:
High Hardness,Good Wear Resistance,No Breakage,Even Wearing
Applide field:
Mines,Cement Plants,Power Stations,Chemical Industries