Loading Port:Qingdao
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:150,000M.T. m.t./month
High/Medium/Low Chrome Alloyed Cast Grinding Media Ball with High Quality ISO9001-2008
1. Specifications for High/Medium/Low Chrome Alloyed Cast Grinding Media Ball with High Quality ISO9001-2008
a).Diameter: 20-150mm
b).Hardness: 45-65HRC
c)/Breakage Rate<0.5%
d).Drop Times>10000
e).Application: cement, metallurgy, mining, electric power, chemical and magnets industries.
f).Super High Chrome: 15-23% High Chrome: Cr=10-13% Medium Chrome: Cr=3-6% Low Chrome: Cr=0.8-1.8%
g).Characteristics: high hardness, good wear resistant, low breakage, no deformation.
2. Weight for High/Medium/Low Chrome Alloyed Cast Grinding Media Ball with High Quality ISO9001-2008
No. | Diameter (mm) | Weight of each (kg) | Pcs/ton |
1 | Ø20 | 0.0322 | 31056 |
2 | Ø25 | 0.063 | 15873 |
3 | Ø30 | 0.11 | 9091 |
4 | Ø40 | 0.257 | 3891 |
5 | Ø50 | 0.50 | 2000 |
6 | Ø60 | 0.867 | 1153 |
7 | Ø70 | 1.37 | 729 |
8 | Ø80 | 2.05 | 487 |
9 | Ø90 | 2.90 | 345 |
10 | Ø100 | 4.00 | 250 |
11 | Ø110 | 5.30 | 188 |
12 | Ø120 | 6.80 | 147 |
13 | Ø125 | 7.75 | 129 |
14 | Ø130 | 8.74 | 114 |
3. Detail Technical Data for High/Medium/Low Chrome Alloyed Cast Grinding Media Ball with High Quality ISO9001-2008
Mechanical properties:
Model | Mechanical properties | Microstructure | |
HRC | Times of falling (3.5m) | ||
Low Chromium | ≥45 | 8000 | P+C |
Medium Chromium | ≥50 | 8000 | P+C |
High Chromium | ≥56 | 8000 | M+C |
Chemical Composition:
Model | Chemical Composition | |||||
| C | Si | Mn | Cr | P | S |
Low Chromium | 2.3-3.4 | ≤1.5 | 0.5-1.5 | 1.0-2.0 | ≤0.1 | ≤0.1 |
Medium Chromium | 2.2-2.8 | 0.5-1.0 | 0.5-0.8 | 10.0-12.0 | ≤0.1 | ≤0.1 |
High Chromium | 2.4-3.2 | 0.5-0.8 | 0.5-0.8 | 16.0-18.0 | ≤0.1 | ≤0.1 |
3. Packing for High/Medium/Low Chrome Alloyed Cast Grinding Media Ball with High Quality ISO9001-2008
Container Bag: Dia20mm-Dia150mm 1000Kgs/Container Bag (GWt:1002Kgs)
Steel Drums: Dia20mm-Dia80mm 900Kgs/Drum (GW: 915Kgs)
Dia90mm-Dia150mm 850Kgs/Drum (GW: 865Kg)