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High-Performance WC-20CrC-7Ni Tungsten Carbide Thermal Spray Powder from China Suppliers and Factory
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High-Performance WC-20CrC-7Ni Tungsten Carbide Thermal Spray Powder from China Suppliers and Factory

DG.WC-20CrC-7Ni is a premium tungsten carbide thermal spray powder manufactured in China, designed for advanced supersonic spray technology applications. This high-performance powder boasts a unique chemical composition that ensures exceptional physical properties, making it ideal for industries that demand superior wear resistance and corrosion resistance. As one of the leading suppliers in the market, our factory focuses on delivering products that excel in challenging environments. Explore the detailed specifications, performance characteristics, and wide-ranging application areas of DG.WC-20CrC-7Ni, and discover why it is the preferred choice for industrial solutions

    Basic Parameters

    Chemical Composition
    ● Chromium (Cr): 17.5%
    ● Nickel (Ni): 7%
    ● Carbon (C): 6.8%
    ● Tungsten Carbide (W): Balance
    Hardness
    The hardness of the coating prepared by WC-20CrC-7Ni is about HV950-1350, showing its excellent wear resistance and suitable for use in high wear environments.
    Processing Technology
    The powder can be processed by a variety of spraying processes, including high velocity gas flame spraying (HVAF), high pressure oxygen fuel spraying (HVOF) and plasma spraying (APS).
    Bonding Strength
    The bonding strength of the coating prepared by supersonic spraying is usually greater than 70 MPa, ensuring coating stability under high load conditions and mechanical stress.
    Deposition Efficiency
    The deposition efficiency of the powder is about 40-60%, which means that the material can be effectively utilized during spraying, reducing waste and improving efficiency.
    Particle Size
    Conventional particle sizes include 5-30μm, 10-38μm, 15-45μm and 45-75μm. Other particle sizes can be customized according to customer needs to meet specific application requirements.

    Performance Characteristics

    Particle Shape
    WC-20CrC-7Ni powder consists of agglomerated and sintered spherical particles with good fluidity, which facilitates spraying, ensures coating uniformity, and reduces defects.
    Chemical Resistance
    The coating can be used in low-concentration acid and alkali environments at 200°C, showing excellent corrosion resistance suitable for chemical and pharmaceutical applications.
    High Temperature Performance
    The maximum working environment temperature can reach 700°C. It possesses the ability to resist hot gas corrosion, protecting equipment under extreme temperature conditions.
    Density
    The coating is dense and provides a good anti-oxidation effect, which effectively extends the service life of equipment, reduces maintenance costs, and lowers operating risks.
    Wear Resistance
    The coating successfully resists both abrasive and corrosive wear, making it ideal for high wear environments such as the mining and metallurgy industries.
    Superior Corrosion Resistance
    Compared with other WC-Co spray powders, WC-20CrC-7Ni offers superior corrosion resistance, maintaining stable performance in harsher, demanding environments.

    Applications & Overview

    Photograph of supersonic spraying processing (1)

    Application Areas

    DG.WC-20CrC-7Ni is widely used in many industries, especially in high-demand industrial parts such as rollers in the paper industry and valve plates in the oil industry. Its excellent performance makes it an ideal choice for many critical applications, which can effectively improve the durability and reliability of equipment. In addition, this material can also be used in aerospace, automobile manufacturing, mining equipment and other fields to meet the needs of different industries.

    Photograph of supersonic spraying processing (2)

    Summarize

    In conclusion, DG.WC-20CrC-7Ni is a spray powder with excellent performance, suitable for a variety of industrial applications, especially in environments requiring high wear resistance and corrosion resistance. Its unique chemical composition and processing technology make it occupy an important position in the field of supersonic spraying, providing reliable protection for various industrial equipment. With the continuous development of industrial technology, the application prospects of DG.WC-20CrC-7Ni will be broader, and it will definitely play an important role in more fields.

    Frequently Asked Questions

    Q1: What is the chemical composition of DG.WC-20CrC-7Ni?
    A1: The chemical composition consists of 17.5% Chromium (Cr), 7% Nickel (Ni), 6.8% Carbon (C), and the balance is Tungsten Carbide (W).
    Q2: What is the hardness range of the coating prepared by WC-20CrC-7Ni?
    A2: The hardness of the coating is approximately HV950-1350, providing outstanding wear resistance in heavy-use environments.
    Q3: Which spraying processes are compatible with this powder?
    A3: It can be applied using high velocity gas flame spraying (HVAF), high pressure oxygen fuel spraying (HVOF), and atmospheric plasma spraying (APS).
    Q4: Can WC-20CrC-7Ni coatings withstand high temperatures?
    A4: Yes, the coating has a maximum working temperature of up to 700°C and demonstrates strong resistance to hot gas corrosion.
    Q5: How does its corrosion resistance compare to standard WC-Co coatings?
    A5: WC-20CrC-7Ni offers significantly better corrosion resistance than traditional WC-Co powders, allowing it to perform stably in low-concentration acid and alkali environments at temperatures up to 200°C.
    Q6: What are the primary industrial applications of DG.WC-20CrC-7Ni?
    A6: It is widely used for critical parts such as rollers in the paper industry, valve plates in the oil and gas sector, and components in aerospace, automotive manufacturing, and mining equipment.

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