High Chrome Steel Grinding Steel Balls and Segments

High Chrome Steel Grinding Steel Balls and Segments

1. Material: High chrome steel, low chrome steel, or as clients' requirement.
2. Size: 20mm-100mm, or as per clients' requirements
3. Feature: High hardness, good wear-resistance.
4. Application: Metal Mines, cement plants, water coal slurry, power stations, chemical industry, etc.
5. Packing: Woven bag or steel barrel.
6. Parameters:
A. Ball with Low Chromium
1) Mostly Chemical Component: C 2.2-2.7 S ≤ 0.080 Mn 0.5-0.8 Si0.3-0.6 P ≤ 0.08 Cr ≤ 2.0
2) Rockwell Hardness(HRC): ≥ 45
3) Microstructure: P+C
4) Fatigue Life of Falling Ball Impact (times): ≥ 8000

B. Ball with High Chromium
1) Mostly Chemical Component: C 2.8-3.3 P≤ 0.05 Mn≤ 2.4 Si≤ 0.6 P≤ 0.05? Noble Metal Proper Cr17-20
2) Rockwell Hardness HRC: ≥ 6
3) Impact Toughness(J/cm): 6.95-12.09
4) Microstructure: M+C
5) Fatigue Life of Falling Ball Impact (times): ≥ 10000

C. Segment with Low Chromium
1) C 2.6-3.5 S≤ 0.080 Mn0.5-0.8 Si0.3-0.6 P≤ 0.08 Cr≤ 2.0
2) Rockwell Hardness(HRC): 45-52
3) Microstructure: P+C

D. Segment with High Chromium
1) Mostly Chemical Component: C 1.8-3.2 S≤ 0.05 Mn≤ 2.4 Si≤ 0.6 P≤ 0.08 Noble Metal Proper Cr 17-20
2) Rockwell Hardness(HRC): 54-62
3) Impact Toughness(J/cm): 6.95-12.09
4) Microstructure: M+C

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