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OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding

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    Buy cheap OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding from wholesalers
     
    Buy cheap OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding from wholesalers
    • Buy cheap OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding from wholesalers
    • Buy cheap OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding from wholesalers
    • Buy cheap OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding from wholesalers

    OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding

    Ask Lasest Price
    Brand Name : OHMALLOY
    Model Number : 4J36
    Certification : ISO
    Price : negotiable
    Supply Ability : 5000kg/month
    Payment Terms : L/C, T/T, , MoneyGram
    • Product Details
    • Company Profile

    OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding


    OhmAlloy-4J36 (Expansion alloy)

    (Common Name: Invar, FeNi36, Invar Standard, Vacodil36)

    OhmAlloy-4J36 (Invar), also known generically as FeNi36 (64FeNi in the US), is a nickel–iron alloy notable for its uniquely low coefficient of thermal expansion (CTE or α).


    OhmAlloy-4J36 (Invar) is used where high dimensional stability is required, such as precision instruments, clocks, seismic creep gauges, television shadow-mask frames, valves in motors, and antimagnetic watches. In land surveying, when first-order (high-precision) elevation leveling is to be performed, the Level staff (leveling rod) used is made of Invar, instead of wood, fiberglass, or other metals. Invar struts were used in some pistons to limit their thermal expansion inside their cylinders.


    OhmAlloy-4J36 use oxyacetylene welding, electric arc welding, welding and other welding methods. Since the coefficient of expansion and chemical composition of the alloy is related should be avoided due to welding causes a change in the alloy composition, it is preferable to use Argon arc welding welding filler metals preferably contains 0.5% to 1.5% titanium, in order to reduce weld porosity and crack.

    4J36 MATERIAL DETAIL:https://www.youtube.com/watch?v=Pdv3prZiy38

    Normal composition%

    Ni35~37.0FeBal.Co-Si≤0.3
    Mo-Cu-Cr-Mn0.2~0.6
    C≤0.05P≤0.02S≤0.02

    Typical Physical properties

    Density (g/cm3)8.1
    Electrical resistivity at 20℃(Ωmm2/m)0.78
    Temperature factor of resistivity(20℃~200℃)X10-6/℃3.7~3.9
    Thermal conductivity, λ/ W/(m*℃)11
    Curie point Tc/ ℃230
    Elastic Modulus, E/ Gpa144

    Coefficient of expansion

    θ/℃α1/10-6-1θ/℃α1/10-6-1
    20~-601.820~2503.6
    20~-401.820~3005.2
    20~-201.620~3506.5
    20~-01.620~4007.8
    20~501.120~4508.9
    20~1001.420~5009.7
    20~1501.920~55010.4
    20~2002.520~60011.0

    Typical Mechanical properties

    Tensile StrengthElongation
    Mpa%
    64114
    6899
    7318

    Temperature factor of resistivity

    Temperature range, ℃20~5020~10020~20020~30020~400
    aR/ 103 *℃1.81.71.41.21.0

    The heat treatment process
    Annealing for stress reliefHeated to 530~550℃ and hold 1~2 h. Cold down
    annealingIn order to eliminate hardening, which be bring out in cold-rolled, cold drawing process. Annealing needs heated to 830~880℃ in vacuum,hold 30 min.
    The stabilization process
    • In protective media and heated to 830 ℃, hold 20min. ~ 1h, quench
    • Due to the stress generated by quenching, heated to 315℃,hold 1~4h.
    Precautions
    • Can not be hardened by heat treatment
    • Surface treatment can be sandblasting, polishing or pickling.
    • Alloy can be used 25% hydrochloric acid pickling solution at 70 ℃ to clear oxidized surface

    Style of supply

    Alloys NameTypeDimension
    OhmAlloy-4J36WireD= 0.1~8mm
    OhmAlloy-4J36StripW= 5~250mmT= 0.1mm
    OhmAlloy-4J36FoilW= 10~100mmT= 0.01~0.1
    OhmAlloy-4J36BarDia= 8~100mmL= 50~1000


    FAQ

    1. What's the minimum quantity customer can order?
    If we have your size in stock, we can provide any quantity you want.
    If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.


    2. How can you pay for small sample amount?
    We have account, wire transfer for sample amount also ok.

    3. Customer do not have express account. How will we arrange the delivery for sample order?
    Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

    4. What's our payment terms?
    We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

    5. Do you provide free samples?
    If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.


    6.How do you guarantee the quality?

    We have QC who are responsible for tracking and monitoring whole production process, and we are willing to accept customer‘s testing.

    7. What's our working time?
    We will give you reply through email/phone Online chat tool within 24 hours. No matter working day or holidays.


    Product Tags:

    invar alloy

      

    thermal expansion invar

      
    Quality OhmAlloy-4J36 Strip Low Expansion Alloys Oxy Acetylene Welding / Electric Arc Welding for sale
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