• Model NO.：20-160mm
• Customized：Customized
• No Breakage：Tough Surface to Tough Core
• Good Wear Rate：for Sag Mills and Ball Mills
• Good Performance：High Quality
• High Heat Treatment Technology：for Zinc Mines
• Transport Package：Ton Bags or Steel Drums
• Specification：ISO9001, SGS
• Trademark：Taihong
• Origin：Qingzhou, Shandong
• HS Code：732611
• Production Capacity：100000tons,Year

Forged Grinding BallsSpecificationBall diamenterDiameter toleranceWeight of single in averagePieces/ton ball in averageSurface hardnessCore hardnessImpact toughness(mm) (g) (HRC)(HRC)(J/cm²)Φ20+2,-1323125060-6757-62≥12Φ25+2,-1641562560-6757-62≥12Φ30+2,-1110909060-6757-62≥12Φ40+2,-1263380260-6757-62≥12Φ50+2,-1513194960-6757-62≥12Φ60+3,-2888112658-6550-56≥12Φ70+3,-2141070958-6550-56≥12Φ80+3,-2210447558-6550-56≥12Φ90+3,-2299633358-6550-56≥12Φ100+3,-2411024358-6550-56≥12Φ110+4,-2545718255-6348-55≥12Φ120+4,-2710214055-6348-55≥12Φ130+4,-2903011055-6348-55≥12Φ140+4,-3112788855-6345-50≥12Φ150+4,-3138717255-6345-50≥12              Chemical componentsMaterialChemical components CMnSiCrSP45#0.17-0.230.35-0.650.17-0.37≤0.25≤0.035≤0.03550Mn0.48-0.560.70-1.00.17-0.37≤0.25≤0.035≤0.03560Mn0.57-0.650.70-1.00.17-0.37≤0.25≤0.035≤0.03565Mn0.60-0.700.90-1.200.17-0.37≤0.25≤0.035≤0.03575MnCr0.70-0.850.70-0.800.17-0.370.20-0.60≤0.030≤0.030B20.70-0.850.70-0.900.17-0.370.50-0.80≤0.030≤0.030 Forged Grinding BallsSpecificationBall diamenterDiameter toleranceWeight of single in averagePieces/ton ball in averageSurface hardnessCore hardnessImpact toughness(mm) (g) (HRC)(HRC)(J/cm²)Φ20+2,-1323125060-6757-62≥12Φ25+2,-1641562560-6757-62≥12Φ30+2,-1110909060-6757-62≥12Φ40+2,-1263380260-6757-62≥12Φ50+2,-1513194960-6757-62≥12Φ60+3,-2888112658-6550-56≥12Φ70+3,-2141070958-6550-56≥12Φ80+3,-2210447558-6550-56≥12Φ90+3,-2299633358-6550-56≥12Φ100+3,-2411024358-6550-56≥12Φ110+4,-2545718255-6348-55≥12Φ120+4,-2710214055-6348-55≥12Φ130+4,-2903011055-6348-55≥12Φ140+4,-3112788855-6345-50≥12Φ150+4,-3138717255-6345-50≥12              Chemical componentsMaterialChemical components CMnSiCrSP45#0.17-0.230.35-0.650.17-0.37≤0.25≤0.035≤0.03550Mn0.48-0.560.70-1.00.17-0.37≤0.25≤0.035≤0.03560Mn0.57-0.650.70-1.00.17-0.37≤0.25≤0.035≤0.03565Mn0.60-0.700.90-1.200.17-0.37≤0.25≤0.035≤0.03575MnCr0.70-0.850.70-0.800.17-0.370.20-0.60≤0.030≤0.030B20.70-0.850.70-0.900.17-0.370.50-0.80≤0.030≤0.030
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