| Customization: | Available |
|---|---|
| Product Type: | Wire |
| Material: | Monel |
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Monel Thermal Spray Wire Equivalent to Tafa 70T METCO Praxair Monel 1.6mm 3.2mm
Monel Thermal spray wire is specifically designed for spraying in arc spray and flame spray systems. It produces well-bonded coatings with excel-lent machineability. Monel Thermal spray wire has good corrosion resistance, especially in sea water and caustic environments.
Monel Thermal Spray Wire(Tafa 70T) Chemical Composition:(%)
| Ni | Cu | Mn | Fe | Si | Al | C |
| Balance | 27 | 1.5 | 2.0 | 0.025 | 0.1 | 0.25 |
Mechanical Properties:
| Coating Hardness | HRB 84 |
| Bonding Strength | 4310 PSI |
| Deposit Rate | 10 lbs/hr/100A |
| Deposit Efficiency | 70% |
| Wire Coverage | 0.9 oz/ft2 / mil |
| Condition | Solid Wire |
| Machinability | Good |
| Corrosion Resistance | Good |
| Diameter | 1.6mm(14 ga),3.2mm |
| Package Size | 10kg,15kg,customized as client's demand |
Typical Application of Monel Thermal Spray Wire:
1. Machine element restoration
2. Sea water immersion
3. Propellers
4. Steam valve components
5. Printing rolls
Remark: the wire surface should be clean, white metal, with no oxides (rust), dirt, grease, or oil on the surface to be coated. (Note: It is best not to handle surfaces after cleaning. )
Recommended method of preparation is to grit blast with 24 mesh aluminum oxide, rough grind, or rough machine in a lathe.
Thermal Spray Know-How
Thermal Spray Coatings are produced by projecting a molten stream of particles onto the base material. On impact these particles deform and solidify to form splats, and these splats mechanically lock onto the surface. There are numerous ways of generating the stream of molten particles using an electric-arc, plasma or a combustion process.
Depending on the process it is possible to procuce coatings of pure metals, alloys, ceramics and ceramic metal composites (cermets), and coating thickness generally varies between 0.1 and 2.0 mm. The adhesion and cohesion of a thermal spray coating is purely mechanical, which has certain advantages and disadvantages.
The main advantage is that there is no metallurgical compatability issue between the substrate and the coating, and it is therefore possible to apply a wide variety of coating materials onto essentially any substrate (e.g. bronze and cast-iron). The heat input into the base materials is also limited, and it is therefore possible to apply a thermal spray coating to a heat-sensitive substrate (e.g. heat-treated HSLA steels like 4140 and martensitic stainless steel) with no risk of softening or distortion. The main disadvantage is that the adhesive and cohesive strength of a thermal spray coating is relatively low, making coatings susceptible to damage from high mechanical loads (such as point or impact loads), cyclical loads or thermal stresses.
High Velocity oxy-fuel (HVOF) uses high-pressure combustion as the heat source to create a high-velocity gas stream that both melts and propels a powder feedstock material to the substrate. HVOF coatings generally exhibit fine homogeneous microstructures, low in oxide and porosity content, that are tenaciously bonded to the substrate.
Combustion spray uses the combustion of a fuel gas and oxy gen to create a heat source, but at lower pressures than HVOF. Combustion spray is an economical choice for the application of quality coatings.
Combustion Powder Spray uses metals, metallic alloys or fine ceramics as the feed stock material in powder form.
Combustion Wire Spray uses metals or metallic alloys as the feedstock material in wire form. It is often used for the application of hard coatings for salvage and restoration and is well-known for the application of corrosion coatings, even on very large structures.
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