High chromium alloyed casting balls
Dia17-130MM
Even hardness
Grinding resistant
High impact value
High chromium alloyed casting balls
welcome to come to Sinai!!
Spcification:
1.Chemical composition:
Item | Designation | C | Si | Mn | Cr | S | P | Mo |
High-Cr-Ball | ZQCr20 | 2.0-3.2 | ≤1.0 | ≤1.5 | 19-22 | ≤0.08 | ≤0.06 | ≤1.0 |
ZQCr17 | 2.0-3.2 | ≤1.0 | ≤1.5 | 15-18 | ≤0.08 | ≤0.06 | ≤1.0 | |
ZQCr11 | 2.0-3.2 | ≤1.0 | ≤1.5 | 10-13 | ≤0.08 | ≤0.06 | ≤1.0 | |
Low-Cr-Ball | ZQCr2-6 | 2.0-3.5 | ≤1.0 | ≤1.5 | 1.5-3.5 | ≤0.08 | ≤0.06 | ≤1.0 |
2.Properties & Microstructure
Item | Designation | Hardness(HRC) | Impact Toughness ak(j/cm2) | Microstructure | Service Life (Times of falling) | Wear Rate | Breackage | |
Heat treatment | Cast | |||||||
High-Cr-Ball | ZQCr20 | 55-65 | ≥50 | ≥4.0 | M+C | ≥8000 | ≤25 | ≤0.5 |
ZQCr17 | 55-65 | ≥50 | ≥4.0 | |||||
ZQCr11 | 55-65 | ≥50 | ≥4.0 | ≤30 | ||||
Low-Cr-Ball | ZQCr2-6 |
| ≥45 | ≥2.5 | P+C | ≥5000 |
| ≤1.0 |
3.Sizes of Casted Balls
Item | Sizes | |||||||||||||
Φ17 | Φ20 | Φ25 | Φ30 | Φ40 | Φ50 | Φ60 | Φ70 | Φ80 | Φ90 | Φ100 | Φ110 | Φ120 | Φ130 | |
Tolerance | +1.0 | +2.0 | +3.0 | +3.5 | ||||||||||
-1.0 | -1.0 | -1.0 | -1.5 | |||||||||||
Difference Between the Max & the Min Dia. | ≤1.0 | ≤2.0 | ≤3.0 | ≤4.0 | ||||||||||
3.Features:
(1) Characteristics:
a) High hardness and resistance
b) Good even wear
c) Low breakrage
(2) Applied fields:
a) Mines
b) Cement plants
c) Power stations
d) Chemical industry
4 contact :15969682576
