Cast Chrome alloyed grinding steel balls are as follows:
1. Low-Chrome grinding steel balls
(1)Chemical composition
C: 2.2-3.4 Si: 1.2max Mn: 0.5-1.5 P: 0.08max S: 0.06max Cr: 1.5-3.5
(2)Hardness HRC46min
2. Medium-Chrome grinding steel balls
(1)Chemical Composition
C: 2.0-3.2 Si: 1.0max Mn: 0.5-2.5 P: 0.08max S: 0.06max Cr: 11min
(2)Hardness HRC 56-62
3. High-Chrome grinding steel balls
(1)Chemical Composition
C: 2.0-3.2 Si: 1.0max Mn; 0.5-2.0 P: 0.08max S: 0.06max Cr: 15min
(2)Hardness HRC58-64
Forged grinding steel balls are as followes:
1.60Mn forged steel ball
(1) Chemical Composition
C: 0.57-0.65 Mn: 0.7-1.0 Si: 0.17-0.37 Cr: 0.25max S: 0.035max P: 0.035max
(2) Hardness
Surface hardness: 58min(dia: 20mm-60mm) 58min(dia: 60mm-150mm)
Core hardness: 35min(dia: 20mm-60mm) 29min(dia: 60mm-150mm)
2.75MnCr forged steel ball
(1)Chemical Composition
C: 0.7-0.85 Mn: 0.7-0.8 Si: 0.17-0.37 Cr: 0.2-0.7 S: 0.03max P: 0.03max
(2)Hardness
Surface hardness: 60min(dia: 20mm-60mm) 60min(dia: 60mm-150mm)
Core hardness: 42min(dia: 20mm-60mm) 30min(dia: 60mm-150mm)
3. Wear-resistance Alloy forged steel ball
(1)Chemical Composition
C: 0.5-0.65 Mn: 0.4-1.0 Si: 1.4-1.8 Cr: 0.1-1.2 S: 0.03max P: 0.03max V: 0.1-0.2
(2)Hardness
Surface hardness 60min(dia: 20mm-60mm) 60min(dia: 60mm-150mm)
Core hardness 54min(dia: 20mm-60mm) 52min(dia: 60mm-150mm).
We, Jinan Huixin Industrial Corporation Ltd., are a leading manufacturer and professional exporter of grinding balls in China, with the annual output of 50, 000 metric tons. Our products are mainly exported to more than 20 countries and regions in the world, such as Japan, Korea, Canada, Turkey, Philippines, and Italy.
Our company has advanced equipment and a flawless quality detection system. Our products have obtained ISO9001: 2000 International Quality System Authentication. The quality of our products can meet different requirements of clients in different countries and regions.
Our main products are forging grinding steel balls with diameters from 25mm to 150mm, and high, medium, and low Chrome alloyed casting iron balls with diameters from 25mm to 150mm. They are mainly applied to various mines, cement plants, power stations and chemical industries. Their specialties: high hardness, even wearing, good wear resistance, and no breakage. That's why they have obtained a high reputation from customers in domestic and foreign markets.
We sincerely welcome customers from both at home and abroad to come to negotiate business with us. Our serious promise: supplying you with high quality products, competitive prices, timely delivery, and satisfactory service. We are always insisting on the theory of "Credit Goal, Client First, and Mutual Profits". Let's build a better future.
