Loading Port:Shanghai Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
Feature of High Chrome Casting Grinding Ball For Cement Plant Sute By ISO 9001
1) In general, casting steel ball has high hardness: surface hardness to 56 HRC, volume hardness of 45-56 HRC
2) impact toughness high: impact toughness more than 4 J / cm2.
3) broken rate is low: the actual broken rate is not higher than 1%.
4) loss of grinding casting steel ball round rate is low.
Chemical composition of High Chrome Casting Grinding Ball For Cement Plant Suet By ISO 9001
Based on material, the forged steel balls are defined into 7 brands. And The chemical composition is shown in the following:
Brand | Material | C | Mn | Si | Cr | S | P | V |
Special-1 | 50MN | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
Special-2 | 60MN | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
Special-3 | 65MN | 0.60-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
Special-4 | 75Mn | 0.72-0.92 | 0.17-0.37 | 0.17-0.37 | 0.4-0.6 | ≤0.035 | ≤0.035 | |
Special-5 | 75MnCr | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 | |
Special-6 | 75SiMn | 0.70-0.90 | 0.7-1.2 | 0.4-0.8 | ≤0.25 | ≤0.03 | ≤0.03 | |
Special-7 | Wear-resistant Alloy | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 | 0.1-0.2 |
Main Process of High Chrome Casting Grinding Ball For Cement Plant Suet By ISO 9001
(1).Raw material (2).Cutting (3).Heating (4).Forging (5).Quenching
(6).Tempering (7).Testing (8).Qualified Products (9).Packing
Production system of High Chrome Casting Grinding Ball For Cement Plant Suet By ISO 9001
mold design, chemical analysis, forging, mechanism processing, and quality inspection.
Quality Control of High Chrome Casting Grinding Ball For Cement Plant Suet By ISO 9001
1.Chemical Composition confirm after Ingot
2.Hardness after Heat Treatment
3.Final Dimension Check