low price casting steel balls 35mm 55-65HRC
USD $750 - $1,200 /Metric Ton
Min.Order:10 Metric Tons
Jinan Jinchi Steel Ball Co., Ltd.
low price casting steel balls
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 |
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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 |
Characteristics:
a) High hardness and resistance
b) Good even wear
c) Low breakage
Applied fields:
a) Mines
b) Cement plants
c) Power stations
d) Chemical industry
Payment term :L/C or T/T
Package:steel drum or ton bags