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CAS 7440-33-7 99.99 Tungsten Materials W Ring Excellent Abrasion Resistance

    Buy cheap CAS 7440-33-7 99.99 Tungsten Materials W Ring Excellent Abrasion Resistance from wholesalers
     
    Buy cheap CAS 7440-33-7 99.99 Tungsten Materials W Ring Excellent Abrasion Resistance from wholesalers
    • Buy cheap CAS 7440-33-7 99.99 Tungsten Materials W Ring Excellent Abrasion Resistance from wholesalers

    CAS 7440-33-7 99.99 Tungsten Materials W Ring Excellent Abrasion Resistance

    Ask Lasest Price
    Model Number : W Ring
    Price : Negitionable
    Payment Terms : L/C, D/A, D/P, T/T
    Supply Ability : 10000sets/month
    Delivery Time : 30 days after receiving down payment
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    CAS 7440-33-7 99.99 Tungsten Materials W Ring Excellent Abrasion Resistance

    CAS 7440-33-7 99.99 W Ring Excellent Abrasion Resistance


    Quick Details


    Purity: W ≥99.95%
    Dimensions: ring face width is about 4mm, wall thickness is about 1.5mm, inner ring circumference is 52, 54, 56, 58, 60, 62, 64mm
    Process: polishing


    Advantages:


    1. Excellent abrasion resistance

    2. High wear resistance

    3. High fractural strength

    4. High thermal conductivity

    5. Small heat expansion co-efficient


    Specification


    Atomic number

    74

    CAS number

    7440-33-7

    Atomic mass

    183.84 [g/mol]

    Melting point

    3420 °C

    Boiling point

    5555 °C

    Density at 20 °C

    19.25 [g/cm3]

    Crystal structure

    Body-centered cubic

    Coefficient of linear thermal expansion at 20 °C

    4.410-6 [m/(mK)]

    Thermal conductivity at 20 °C

    164 [W/(mK)]

    Specific heat at 20 °C

    0.13 [J/(gK)]

    Electrical conductivity at 20 °C

    18.2106 [S/m]

    Specific electrical resistance at 20 °C

    0.055 [(mm2)/m]


    Applications


    1. Widely used in semiconductor, chemical vapor deposition (CVD) and physical vapor deposition (PVD) display and optical applications;

    2. Applied in producing electrodes, heating elements, heat shields, sintering trays, sintering boats, stacking sheets, base plates, sputtering targets, crucibles in electronic and vacuum applications.

    3. can be used as contacts in vehicle motors.

    Q: Are you trading company or manufacturer ?
    A: We are factory.


    FAQ


    Q: How long is your delivery time?
    A: Generally it is 3-7 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
    quantity.

    Q: Do you provide samples ? is it free or extra ?
    A: Yes, we could offer the sample, but need pay the cost of sample and freight since our product is high value.

    Q: What is your terms of payment ?
    A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
    If you have another question, pls feel free to contact us as below:

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