Steel Lead Ball 12gr 21mm 3mm | Full Steel Ball Material and Dimension Selection
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warranty1 yearstypeForged Steel Ball
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customized supportOEM, ODMmodel number20-130 mm grinding steel ball
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usageGrinding For Ball Millingabrasive grain sizes45#,60Mn,65Mn,B2,B3,B4 steel
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ShapeRoundSurfaceSmooth
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MOQ1 Ton except sample orderHardnessHRC55+
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GradeB2,B3,B4,B6ApplicationGrinding in Mining & cement factory
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Product nameForged/Cast Steel BallUsageIndustry Usage
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Size20-130 mmFeatureHigh Hardness
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CertificationsISO
Steel Lead Ball 12gr 21mm 3mm | Full Steel Ball Material and Dimension Selection
Steel balls are identified by the original title with steel-lead wording and 12gr, 21mm and 3mm references. Resolve the required composition and dimensional meaning on the selected product drawing.
The title does not establish that these references describe one ball or that steel and lead are equivalent materials. Grinding-ball sizes, grade families and hardness entries retained below are excluded where they conflict with the chosen title configuration. Request material analysis and dimensional inspection before assigning an industrial use. No conversion of the 12gr label or measured wear result is inferred. First-grade wording is not proof of certification or a universal service-life value.





