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SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

    Buy cheap SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface from wholesalers
     
    Buy cheap SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface from wholesalers
    • Buy cheap SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface from wholesalers
    • Buy cheap SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface from wholesalers
    • Buy cheap SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface from wholesalers
    • Buy cheap SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface from wholesalers

    SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

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    Brand Name : UST
    Model Number : Dia: 80-1200mm
    Certification : ISO 9001
    Price : USD 800- 1200/ton
    Supply Ability : 1500 ton/month
    Delivery Time : Within 10-45 days
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    SAE4340 Hot Forged Alloy Steel Bar Dia 80-1200 Mm Black / Bright Surface

    SAE4340 Forged alloy steel, Forged steel bar, DIA 80-1200mm
    Application
    Components for the aircraft, automotive and general engineering industries eg. Propeller shafts, connecting rods, gear shafts, and other automobile parts. Heavy forgings, eg. Rotors, shafts, discs.
    Equivalent Grades:

    SAE4340JISSNCM439
    Greman W.Stoff No.1.6582GB40CrNiMoA
    BS816M40EN24

    Chemical composition:

    CSiMnPSCrNiMo

    0.38-0.43

    0.15-0.35

    0.60-0.80

    0.035 max

    0.040 max

    0.7-0.9

    1.65-2.0

    0.2-0.3

    Mechanical Properties:

    Tensile strengthYield strengthElongation rateContractibility rateImpact Energy

    Hardness

    (HBS100/3000)

    ≥980MPa≥835MPa≥12%≥55%≥78J≤269

    SPECIFICATION OF ALLOY STEEL AISI4340 ROUND BARS:

    Diameter:80mm-1200mm (optional)
    Length:1000mm-12000mm Straightness: 3mm/M max(optional)
    Process:Forged from vacuum degassed ingots.
    Delivery condition:Hot forged Rough machined (black surface after Q/T) Turned (optional)
    Delivery Time:10-40 days
    Heat treatment:Normalized / Annealed / Quenched / tempered (optional)
    Technical Data:According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
    Test:Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional)
    Marking:

    Grade, heat NO. length will be stamped one each bar with required color















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