Grinding Steel Ball for Sag and AG Mill
Jinan Zhongwei Casting and Forging Grinding Ball Co., Ltd.- Material：Steel
- Content：>90%
- Usage：Grind
- Processing Type：Hot Rolling , Forging and Casting
- Size：20mm-150mm
- Color：Black
Base Info
- Model NO.：20MM TO 150MM
- Customized：Customized
- Certification：SGS BV TUV
- Transport Package：Drum and Bag
- Specification：ISO
- Trademark：ZHONGWEI
- Origin：Jinan
- HS Code：73261100
- Production Capacity：70000 Tongs
Description
MaterialChemical elements C Si Mn P/S Cr B2 0.72-0.85 0.17-0.37 0.7-1.0 <0.04 0.4-0.6 60Mn 0.55-0.65 0.17-0.37 0.7-1.0 <0.04 <0.25 45# 0.42-0.50 0.17-0.37 0.5-0.8 <0.035 ≤0.25 B3 0.58-0.66 1.6-1.9 0.65-0.8 <0.025 0.7-0.9
Material
25mm-50mm
HRC
60mm-90mm
HRC
100mm-125mm
HRC
Surface Core Surface Core Surface Core B2 60-65 58-62 58-63 50-55 56-60 40-45 60Mn 58-63 55-60 58-63 40-45 56-60 30-35 45# 55-58 45-55 55-58 30-35 50-55 25-30 B3 58-62 56-60
Weight and Microstructure of Forged Balls
M+B+C
(M-Martensite;
B-Bainitic;C-Carbide)
30 +1.5,-0.5 0.11 9090 40 +2.0,-1.0 0.26 3846 50 +2.0,-1.0 0.51 1961 60 +3.0,-2.0 0.89 1124 70 +3.0,-2.0 1.4 714 80 +3.0,-2.0 2.1 476 90 +3.0,-2.0 3 333 100 +4.0,-3.0 4.1 244 110 +4.0,-3.0 5.47 283 120 +4.0,-3.0 7.1 141 130 +4.0,-3.0 9.02 111
Material
25mm-50mm
HRC
60mm-90mm
HRC
100mm-125mm
HRC
Weight and Microstructure of Forged Balls
M+B+C
(M-Martensite;
B-Bainitic;C-Carbide)