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High Precision Heavy Steel Forgings 4140 Alloy Steel Anti Rust

Categories Heavy Steel Forgings
Brand Name: HUIXUAN
Model Number: Φ770*200
Certification: ISO9001:2008,BV,SGS,IST,UL.CTI
Place of Origin: China
MOQ: 5 PC
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 2000-5000 Ton/Month
Delivery Time: 30-60 days
Packaging Details: wood pallet,steel frame
Material: 4140
Melting: EF+LF+VD
Size: Φ770*200
Ratio: 4:1
UT: AS 1065 level 1
Heat treatment: QT
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    High Precision Heavy Steel Forgings 4140 Alloy Steel Anti Rust

    High Precision Heavy Steel Forgings 4140 Alloy Steel Anti Rust


    1. Content of Delivery
    Item NoQuantity(Pcs)DescriptionHeat NoFactory Product No
    Forged wheel8Φ770*20020170328-2114778-4785

    B.Chemical Analysis

    Heat NoC%Si%Mn%S%Cr %Mo %P%H%
    41400.38-0.430.10-0.350.75-1.000.008-0.0160.80-1.100.15-0.25P≤0.015H≤2.5
    15101280.390.240.750.0081.070.1830.0110.00017

    C.Mechanical Properties Tests

    SpecimenTest TempYield StrengthTensile StrengthElongation(Tr)Reduction of AreaCharpy Impact(20℃)Hardness
    Nr./No20℃Rp0.2 N/mm²Rm N/mm²A%Ψ%JouleHB
    4140LT

    Sample position 1(T)

    100110761660.9106.110.110318-326

    FORGING REDUCTION STATEMENT


    We hereby certificate that the forge reduction ratio as follow:

    Item NoDimensionForging ReductionQuantity(Pcs)
    00118535-0001Φ770*2004:18

    Metallographic Test Report

    Date:2017-04-10

    Sample NameForged wheelItem No:Factory Product No4778-4785
    -YLQuantity( Pcs)8Material4140Heat No20170328-211
    Sample ConditionOKHeat treatmentQ+TTest PlaceLaboratory
    Ambient Condition23℃Test Date2017-04-10Sampling LocationLongitudinal
    Test StandardASTM E45-76 Method A
    Test Results
    Test Item

    Technical

    Requirements

    Test Results

    Single

    Evaluation


    Non-Metallic Inclusions

    Type AThin0-0.50.5Qualified
    Thick0-0.50Qualified
    Type BThin0.5-00.5Qualified
    Thick0.5-00.5Qualified
    Type CThin0.5-00.5Qualified
    Thick0.5-00Qualified
    Type DThin0-11Qualified
    Thick0-10.5Qualified
    Grain size≥67Qualified
    Statement:This report only responsible for samples

    Certificate of Ultrasonic Test


    PartsCustomerDate2017-04-18
    Name of forgingForged shaftTesting surfaceSurface
    Material of forging4140Surface conditionRa 6.3 μm
    Test Condition RequirementWoke piece stateQ+TDetection methodStraight vertical Wave
    Instrument modelHNW-6100Working sensitivityΦ4.2+6db
    Prode model2.5P20Coupling wayDirect contact
    Block model Big calm bottom CS-1CouplantMachine oil
    SweepDeepness waySurface compensation0db
    StandardsAS 1065Rate as require1:1
    Acceptance standardLevel 1Acceptable class≤Φ4.2
    Test ResultItem NoForging specificationsQtyDefectResultNote
    00118535-0001Φ770*2008NoneQualified/
    Test Result1.The above forgings are meet the standard,The result is eligibility
    Nondestructive testing SignatureTested by:(UT-II)Approved by:(UT-III)


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