(Mona) alloy

    Monel 400（N04400）
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    MONEL 400
    Data Number: MONEL 400 (Montanale) alloy
    American brand number: UNS N04400
    German brand number: din w. nr. 2.4360
     
    1. Overview of Monel 400 (N04400) Montoner's alloy:
    MONEL 400 (N04400) Montoner alloy is the most dosage, the most widely used, and excellent comprehensive efficiency. This alloy has excellent corrosion resistance in hydrofluoric acid and fluorine gas medium, and has excellent corrosion resistance to thermal liquid. At the same time, the corrosion of neutral solution, water, seawater, atmosphere, organic compounds, etc. An important feature of the alloy is that it does not produce stress corrosion cracks, and the cutting performance is good.
    MONEL 400 (N04400) Montoner's chemical composition is mainly composed of 30%CU and 65%Ni plus a small amount of FE (1%-2%). The tissue structure is a typical single-phase auspicious tissue. Because nickel and copper can be dissolved in any proportion, there are generally no metal inter -metal analysis. Observe the organization where non -etching conditions of golden signs to observe this alloy, we can see that there are very diffuse non -metallic miscellaneous clamps on the Austenite matrix, such as sulfides and silicate. Under certain conditions, carbides can also be observed. Due to the difference in chemical composition, it can have multiple alloy cards, but there is no significant difference in corrosion resistance between them. The MONEL 400 alloy is more resistant to the corrosion of the restoration medium than pure nickel, while the corrosion of the oxidized medium is more resistant to the pure copper."
    2. MONEL 400 (N04400) Montoner alloy chemical composition:%
    C ≤Si ≤Mn ≤P ≤S ≤CR ≥Ni≥Mo ≥CU ≤
    0.300.502.00-0.024-63.0-28.0-34.0
    otherN≤Al≤TI ≤FE ≤CO ≤V ≤W ≤Nb ≤
    ---2.50----
    3. MONEL 400 (N04400) Montoner's alloy execution standard:
    productASTM
    Baseball, wireB 164
    Board, thin plate and band materialB127, B906
    Seamless pipes and partsB165, B829
    WeldingB725, B775
    Welding pipelineB730, B751
    Welded connectorB366
    ForgedB 564
    Fourth, MONEL 400 (N04400) Montonerhe alloy mechanical performance: 
    1. Tensile strength: σb ≥450MPa;
    2. Symbol strength: σb ≥170MPa;
    3. Extension rate: Δ ≥ 30%.
    5. MONEL 400 (N04400) Montoner alloy corrosion resistance: 
    1. Montanier's corrosion resistance effect is generally superior to nickel -copper. It is more resistant to the corrosion of reducing medium than pure nickel, which is more corrosive than pure copper -resistant medium. good. In particular, the corrosion of the whenekens resistant also has excellent corrosion resistance to thermal thickness. MONEL400 alloy has excellent erosion resistance in fluoroscopic, hydrochloric acid, sulfuric acid, hydrogen acid, and their factions.
    Divine is more corrosion-resistant than copper-based alloys in seawater. MONEL400 is a deformed nickel-copper nickel-based alloy that has a good resistance to seawater corrosion and anti-chemical corrosion. Essence The alloy is one of the few alloys that can be used in fluoride. There is a good anti -oxide stress fission corrosion in hydrofluoric acid and fluorine gas medium, such as seawater and saline environment. In the medium -concentration alkaline and salt solution, the MONEL 400 also has a very good anti -corrosion effect. In the colder alkaline environment
    The alloy is used in weak acids such as sulfur and hydrogen fluoride.
    2. acid medium: MONEL400 is corrosion -resistant in sulfuric acid with a concentration of less than 85%. MONEL400 is one of the very few important materials in hydrofluoric acid.
    3. Water corrosion: MONEL400 alloys not only have excellent corrosion resistance in most water corrosion, but also rarely discover the etching and stress corrosion. The corrosion speed is less than 0.025mm/a.
    4. High temperature corrosion: The maximum temperature of MONEL400 in the air is about 600 ° C. In high temperature steam, the corrosion speed is less than 0.026mm/a. Ammonia: Due to the high nickel content of MONEL400 alloy, it can resist the corrosion of water -free ammonia and ammonia below 585 ° C."
    6. MONEL 400 (N04400) Montoner alloy supporting welding material: 
    Monael MONEL400 Strip (Enicu-7), MONEL400 welding wire (Ericu-7)
    7. MONEL 400 (N04400) Montoner alloy application field: 
    Ship heat exchangers, seawater desalination equipment, salt production equipment, marine and chemical processing equipment, propeller shafts and water pumps, gasoline and water tanks, etc.
    8. MONEL 400 (N04400) variety specifications and supply status: 
    Shanghai Emperor Special Special Alloy can produce a variety of specifications of MONEL 400 seamless pipes, MONEL 400 steel plates, MONEL 400 round steel, MONEL 400 forged, MONEL 400 flange, MONEL 400 ring, MONEL 400 steel belt, MONEL 400 steel belt, Monel Monel 400 silk and supporting welding materials.
    Variety classificationDelivery status
    Seamless tubeSoluble+acid white, the length can be fixed
    PlateSoluble, pickled, cut edges
    Welding pipeSolid -soluble acid white+RT%probe
    ForgedAntuction+car light
    MacaronForging rolling state, surface polishing or car light
    Band materialCold rolling, solid -soluble soft state, de -oxide leather delivery
    Silk materialSolid -soluble acid dishwashing or straight strip -shaped, solid -soluble straight strip fine polishing state delivery
    Remarks: Incone is a registered trademark of SMC International Nickel Alloy Group.