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4340 20CrMnMo EN25 X9931 Bevel Gear Helical Gear Conic Gear Taper Gear Turning Gear

Categories Alloy Steel Forgings
Brand Name: HUIXUAN
Model Number: Bevel gear
Certification: ISO9001:2008,BV,SGS, IST, UL,CTI
Place of Origin: China
MOQ: 10PC
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 3000-5000Ton/month
Delivery Time: 30-60 days
Packaging Details: wood pallet,steel frame
Forging equipment: 5T electro hydraulic hammer
Melting process: LF+EAF+VD
Forging ratio: ≥4
Grain size: ASTM E112 6 or better
Hardness: 217-248HB
Surface finish degree: ≥1.6
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    4340 20CrMnMo EN25 X9931 Bevel Gear Helical Gear Conic Gear Taper Gear Turning Gear

    4340 20CrMnMo EN25 x9931 bevel gear helical gear conic gear,taper gear,turning gear


    Products reference:


    MaterialAISI 4340,20CrMnMo,EN25,x9931,OCT 4543-71
    Forging equipment5T electro hydraulic hammer

    Application


    Bevel gear,conic gear,used for transmission of intersectant axis

    Melting process

    LF+EAF+VD

    Process technology


    Forging+heat treatment+rough machining+QT+CNC finish machining

    Forging ratio≥4
    Grain sizeASTM E112 6 or better
    UTSEP 1921-84 D/d
    Hardness217-248HB
    Surface finish degree≥1.6
    Applicable standard

    ASTM,ASME,DIN,JIS,ISO,BS,API,EN

    Executive standardJB/GB/EN/DIN/JIS/ASME/ASTM/ISO
    Certification authorityISO,BV,SGS, IST, UL,CTI

    Delivery term

    Rough machining(N+T);finish machining(Q+T)

    Test equipment

    Spectrograph,UT device,tensile and impact test machine,metalloscope,hardness test machine

    ServiceOur service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality.

    Custom properties:


    Chemical composition

    CSiMnPSCrNiMoH
    OCT 4543-710.36-0.440.17-0.370.50-0.80≤0.035≤0.0350.80-1.10≤0.30--≤2.0ppm


    Mechanical properyt


    Dia.(mm)


    TS/Rm(Mpa)


    YS/Rp0.2(Mpa)


    EL/A5(%)


    RA/Z(%)


    Type Of notch


    Impact energy


    HBW

    OCT 4543-71Ø15≥615≥395≥15≥45U≥160217-248

    Nonmetallic inclusion ASTM E45(JK):

    TypeABCD
    H≤1.51.51.01.0
    T≤2.02.01.51.5

    Process procedure:

    Forging process flow quality control: Raw material steel ingot into warehouse(test the chemical content) → Cutting→ Heating(Furnace temperture test) → Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)→ Machining→ Inspection(UT,MT,Visal diamention, hardness)→ QT→ Inspection(UT, mechanical properties, hardness, grain size)→ Finish machining→ Inspection (dimension)→ Packing and Marking(steel stamp, mark)→ Storage Shipment


    Commerce clause:


    Max weight3000KG
    MOQ10PC
    Delivery term20-40 Days
    Packagewooden case,wooden pallet,steel frame
    Delivery termFOB;CIF;CFR;DDU;
    Payment termT/T,LC

    Transportation

    Ocean,air


    Keywords:

    Single stage gear ratio can reach 6,max to 8 or above,transmission efficiency normally is 0.94~0.98.

    1. It’s easy to design,produce,install spur gear and bevel gear,but high noise,used for low speed transmission(<5m/s);spur gear and bevel gear’s transmission power can reach 370kw,peripheral speed 5m/s.bevel gear transmission is stable,big loading ability,but difficult to produce,less application.
    2. Curved teeth bevel gear has features of transmit stable,low noise,big loading capacity,used for high speed,heavy loading condition.transmission power can reach 3700kg,peripheral speed above 40m/s.contains spur bevel gear and spiral bevel gear.

    Advantage:

    1. High-precision dimensional tolerance;
    2. Excellent mechanical properties;
    3. Produce different dimension based on customer’s requirements;
    4. Advanced manufacture equipments and inspection devices;
    5. Excellent technical personality;
    6. Control the production procedure strictly;
    7. Pay attention on the package protection;
    8. Quality full service.


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