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What is nickel based alloy powder? Nickel-based powder is widely used for the self-fluxing series of alloy powders. It offers excellent corrosion resistance, high oxidation resistance and heat resistance. It also has good impact toughness. Low melting temperature, wide solid-liquid temperatures range, high wetting capability for WC and various substrates.
The spray-welding layer has outstanding properties of self-fluxing and wettability. The spray-welding layer has high hardness and corrosion resistance. It is also resistant to wear and heat. Wet grinding is preferred.

Classification nickel-based alloy powder
Nickel-chromium alloy thermal spray: There are different types of powders for thermal spray, such as the nickel-chromium alloy heat-resistant alloy that is created by adding 20 percent chromium. Nickel-chromium heat resistant alloys do not oxidize much at high temperatures and are a good coating material that is resistant to heat, corrosion, and high temperature oxidation. The coating is dense, and adheres well to the base material. It is a transition layer material that sits between the base and coatings of ceramics, soft metallics, and other materials. It is a transition layer material that can improve both the coating and the base. The bond strength.
(2) Nickel-chromium and iron alloy thermal powder: This type is made from nickel-chromium and appropriate iron, and has a slightly lower high temperature resistance than nickel chrome alloys. Other properties are the same. Nickel-chromium alloys are similar. The main advantage of this alloy is its low cost. This makes it ideal for repairing corrosion resistant workpieces and can also be used in a thermal transition spray powder.
(3) Nickel-chromium-boron alloy thermal spray powder: This alloy contains elements such as boron, chromium and carbon, so it has high hardness and moderate toughness. The coating becomes heat resistant, corrosion resistant and wear resistant after spraying. It can be used as an anti-corrosion treatment for shafts and cylinders.
(4) Thermal spraying powder of nickel-aluminum: This powder is used to spray primers and is made up of fine aluminum and nickel particles. Thermal spray powder is heated up to 600 degrees Celsius with the flame. A chemical reaction takes place between the nickel and the aluminum that releases heat. During the process, some of the aluminum oxidizes, which produces more heat. Nickel can diffuse into base metal at this temperature, which improves the bonding of the coating. A second feature of the thermal spray powder made of nickel and aluminum is the rough surface that is formed on the coating after spraying. This provides an excellent surface to connect other spray materials. It is an ideal intermediate material because the expansion coefficient of the nickel-aluminum alloy thermal spray is similar to most steels.

Nickel-based alloy powder – Uses
The welding is done with oxygen-acetylene plasma or flame. This material is also used to protect and repair sliding parts that are resistant to corrosion and wear, like wire drawing drums.
1. Please adhere to the oxygen-acetylene or plasma spray welding requirements.
2. If you are using small and medium spray welding guns it is better to choose -150/+320 Mesh powder.
3. It is necessary to dry the alloy powder if there is moisture in the powder or if its storage time exceeds three months. (120°C, 2 hours of heat preservation).

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