Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
As one of the leading grinding balls specialists in China, we can certainly assist you in buying all kinds of grinding balls that suit your company needs. Our yearly production capacity in about 200000 Ton. We own an integrated set of advanced import production line, so that you can be satisfied with the quality of our products.
1.Feature of Gold Mine Grinding Ball in Low Price and Good Quality, Made in China with Little Breakage Rate
1) In general, grinding steel ball has high hardness: surface hardness to 58-65 HRC, volume hardness of 56-65 HRC
2) impact toughness high: impact toughness more than 12 J / cm2.
3) broken rate is low: the actual broken rate is not higher than 0.5%.
4) loss of grinding forged steel ball round rate is low.
2.Chemical Composition of Gold Mine Grinding Ball in Low Price and Good Quality, Made in China with Little Breakage Rate
Brand | C | Mn | Si | Cr | S | P | V |
1A | 0.37-0.55 | 0.50-1.0 | 0.17-0.47 | 0.80-1.2 | ≤0.035 | ≤0.035 | |
2A | 0.7-1.00 | 0.7-1.0 | ≤0.025 | 0.4-0.8 | ≤0.025 | ≤0.025 | |
3A | 0.45-0.65 | 0.7-0.8 | 1.5-1.8 | 0.77-1.0 | ≤0.006 | ≤0.025 | |
45 | 0.40-0.55 | 0.50-0.85 | 0.71-0.47 | ≤0.25 | ≤0.025 | ≤0.025 | |
65 | 0.55-0.70 | 0.80-1.25 | 0.17-0.47 | ≤0.25 | ≤0.035 | ≤0.035 |
3. Hardness of Gold Mine Grinding Ball in Low Price and Good Quality, Made in China with Little Breakage Rate
1A | 2A | 3A | 45 | 65 | |
Superficial | >60HRC | >60HRC | >60HRC | >58HRC | >60HRC |
Volumetric | >58HRC | >60HRC | >60HRC | >55HRC | >60HRC |
