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    AISI 4140 Round Bar

    • TechniqueAISI/SAE 4140 alloy steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
    • Grade4140
    • SpecificationAlloy Steel 4140 Bar
    • ConditionHardened & tempered, annealed
    • Supply TypeManufacturer, Exporter, Supplier, Retailer
    • Preferred Buyer Location India only
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    • calendar Member Since 5 Years
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    • Grade4140
    • TechniqueAISI/SAE 4140 alloy steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
    • Diameter3-~800mm
    • SpecificationAlloy Steel 4140 Bar
    • ToleranceH8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
    • thickness3.0 to 12.0mm
    • SurfaceBright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
    • ConditionHardened & tempered, annealed

    AISI/SAE 4140 Round Bar/Rods Equivalent Grades
    StandardAISI / SAE 4130
    UNS-
    WERKSTOFF NR.25CrMo4, GS-25CrMo4
    BS 970708A30, CDS110
    UNI25CrMo4 (KB), 30CrMo4
    JISSCM 420, SCM 430, SCCrM1
    EN name-
    EN #1.7218
    AISI/SAE 4140 Round Bar Chemical Composition
    GradeCSiMnCrMoPS
    AISI 41300.28-0.330.15-0.350.4-0.80.8-1.10.15-0.250.0350.04
    AISI/SAE 4140 Bar Mechanical Properties
    GradeDelivery StateT.S.
    N/mm2
    Min
    Y.S.
    N/mm2
    Min
    A,%
    Min
    Z,%
    Min
    Hardness, 
    (annealing or tempering) HB,max
    Forging ratioGrain Size
    (level)
    Nonmetal ratio
    AISI 4130Hot rolled, forged, or heat treatment9307351250229≥ 4:1≥ 6≤ 2.0








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