Low Breackage High Impact Grinding Steel Ball Forged for Sag Mill¹

Product DescriptionProduct DescriptionLow Breackage High Impact Grinding Steel Ball Forged For SAG MillThe raw material is typically high-quality round steel or alloy steel. The specific chemical composition is crucial for determining the final properties of the ball, such as hardness, toughness, and wear resistance. Key alloying elements and their typical ranges include: Carbon (C): 0.40-1.05%Manganese (Mn): 0.50-1.20%Silicon (Si): 0.15-2.00%Chromium (Cr): 0.05-1.70%Phosphorus (P) and Sulfur (S): These are typically kept to a very low maximum, e.g., ≤ 0.05% to prevent brittleness.Surface Hardness: This is the hardness of the ball's outer layer, which directly impacts wear resistance. Typical ranges are 55-65 HRC (Rockwell Hardness). For smaller diameter balls, the hardness can be even higher.Technical parameters of forging steel ballInchSizeT weightTolerance(mm)MaterialSurface hardness(HRC)3/4"D20mm0.037+/-0.0052+/-1B263-661"D25mm0.072+/-0.012+/-1B263-6611/4"D30mm0.13+/-0.022+/-1B263-6611/2"D40mm0.30+/-0.042+/-1B262-662"D50mm0.6+/-0.052+/-1B262-6521/2"D60mm1.0+/-0.052+/-1.5B262-6521/2"D65mm1.3+/-0.052+/-1.5B261-6421/2"D65mm1.3+/-0.052+/-1.5B361-633"D75mm2.0+/-0.063+/-2B361-633"(Hot rolled)D80mm2.0+/-0.063+/-2B360-633"(Forged)D80mm2.1+/-0.063+/-2B360-6231/2"D90mm3.0+/-0.073+/-2B360-634"D100mm4.1+/-0.153+/-2B360-634.5"D115mm6.3+/-0.153+/-2B360-635"D125mm8.1+/-0.33+/-2B359-62Chemical compositionC%Si%Mn%Cr%P%B20.72-1.030.15-0.350.3-1.20.2-0.6≤0.035B30.53-0.881.2-2.000.50-1.200.7-1.20≤0.035Please enter the title hereImpact Toughness: This measures the ball's ability to resist breaking under a sudden, high-energy impact. Forged steel balls typically have an impact toughness value of ≥ 12 J/cm2. This is significantly higher than that of cast balls, which often have an impact toughness of 3-6 J/cm2. Breakage Rate: Due to their high toughness and dense structure, the breakage rate of forged steel balls is extremely low, generally less than 1%. Density: The high-pressure forging process results in a very dense material. The typical density of forged steel grinding balls is 7.8-7.85 g/cm3. This high density contributes to stronger impact forces and more efficient grinding.#, 50Mn, 60Mn, 65Mn, or various proprietary grades like B2 and B3) determines the precise chemical makeup and, consequently, the ball's performanceProduction ProcessApplication & FeatureMain application of Grinding Balls For MiningGrinding Steel Balls featuresMining and Mineral Processing: In the mining industry, grinding balls are used in ball mills to grind ores into fine powders, facilitating the extraction of valuable minerals. Cement Plant: Grinding balls are used in the production of cement to grind clinker into fine powder. Chemical ProcessingPower Generation: In power plants, grinding balls are used in pulverizing mills to grind coal into fine powder for combustion in boilers. 1.High Hardness: Optimized for exceptional wear resistance and extended service life.2.Superior Toughness: Engineered to withstand high impact forces within ball mills, reducing breakage.3.Consistent Quality: Uniform size and material composition for predictable performance.4.Cost-Effective: Delivers excellent value with a low wear rate, reducing overall grinding media consumption.5.Available in Various Sizes: While this description focuses on the 60mm grinding ball, we offer a range of sizes to suit diverse mill specifications.Company ProfileExpert in grinding ballEstabulished:Since 2004Area:119,900m2Employees:more than 220 EmployeesMain products:Chrome cast grinding ball, ductile iron grinding ball,steel                                    forging ,lining plateEquipment:    Medium-frequency induction furnace                         11Units                      Automated iron mold sand casting production line     3SETS                    Sand Shoting automatic casting line                                1SET                 Manual casting production line                                             1SET              Automated trolley-type tempering furnace                             4Units           Continuous push fully automatic four-zone quenching line   2SETS                           Quality TestingQC CenterStrict Quality Control Testing System is established Before grinding balls deliverying ,only qulified goods are allowed to be delivered.Carbon and sulfur analyzerSpectrum AnalyzerLarge MetalloscopeRockwell Hardness TesterCNC EDM Cutting MachineImpact Testing MachinePacking & Deliverygrinding ball mining packed in bucketgrinding ball mining packed by plastic bagFAQQ: What is the main testing item for the grinding balls?A: Chemical Composition Analysis;Mechanical Properties;Impact Toughness;Structural Integrity;Performance Validation

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