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China DG.Ni20Cr Thermal Spray Powder Suppliers - High-Quality Coating from Reliable Factory
Product Description
DG.Ni20Cr (primer powder) is a high-performance thermal spray powder prepared using an air atomization process. Its chemical composition primarily consists of 80% nickel (Ni) and 20% chromium (Cr). This powder is suitable for supersonic and plasma spraying processes, forming a high-strength, dense primer layer on various substrate surfaces.
Coating Performance & Specifications
> 70 MPa
Bonding Strength
< 0.8%
Porosity Rate
55% – 60%
Deposition Efficiency
~17s / 50g
Flow Rate (150–300 mesh)
The powder has a loose bulk density of approximately 4.5 g/cm³, exhibiting good flowability and transport stability. Depending on different spraying requirements, this material is also available in various particle sizes, including 300–400 mesh and 300–500 mesh.
Key Applications & Features
High-Temperature Stability
This coating can operate continuously in high-temperature environments below 800℃, demonstrating excellent resistance to high-temperature oxidation.
- Enhance Adhesion: Commonly used as a base coat for tungsten carbide or oxide ceramic coatings, effectively enhancing the adhesion between the coating and the substrate.
- Stress Relief: Alleviates stress generated in the ceramic layer during thermal cycling or under stress, providing a good buffer and transition effect.
- Versatile Application: Suitable for the spraying of nickel-chromium targets, holding broad application value in surface engineering and remanufacturing.
Frequently Asked Questions
Q
What is the chemical composition of DG.Ni20Cr?
DG.Ni20Cr is a high-performance thermal spray powder primarily consisting of 80% nickel (Ni) and 20% chromium (Cr).
Q
Which spraying processes are compatible with DG.Ni20Cr?
This powder is suitable for supersonic and plasma spraying processes, forming a high-strength, dense primer layer on various substrate surfaces.
Q
What are the key performance metrics of the DG.Ni20Cr coating?
The coating exhibits a bonding strength exceeding 70 MPa, a porosity below 0.8%, and a deposition efficiency of 55%–60%.
Q
What particle sizes are available for this thermal spray powder?
Depending on spraying requirements, it is available in various particle sizes including 150–300 mesh (with a flow rate of approx. 17 seconds/50g), 300–400 mesh, and 300–500 mesh.
Q
What is the maximum operating temperature for the DG.Ni20Cr coating?
The coating can operate continuously in high-temperature environments below 800℃ while demonstrating excellent resistance to high-temperature oxidation.
Q
What are the primary applications of DG.Ni20Cr?
It is commonly used as a base coat for tungsten carbide or oxide ceramic coatings to enhance adhesion and alleviate thermal/mechanical stress. It is also suitable for spraying nickel-chromium targets in surface engineering and remanufacturing.
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