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Kanthal SW 782/NiFe 52/ Alloy 52 thermal spray wire for arc spraying

Yuan Qiao Alloy Wire Co., Ltd

Kanthal SW 782/NiFe 52/ Alloy 52 thermal spray wire for arc spraying

Place of Origin : China
Brand Name : Yuanqiao
Model Number : 0068
MOQ : 30kg
Price : 26USD/kg
Packaging Details : 15kg/spool
Delivery Time : based on your quantity
Payment Terms : TT payment, western union
Supply Ability : 10 tons each month
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Kanthal SW 782 is an austenitic iron-nickel alloy (FeNi alloy) alloy for use in arc and flame spray systems. The alloy has low resistivity and a high-temperature coefficient of resistance.

Typical applications for Kanthal SW 782 are mould coatings in the glass industry or build-up coatings for dimensional restoration.

Chemical composition

Ni %Fe %
Nominal composition52.0Bal.

Machining

Depending of surface finish requirements, the coating may be machined by turning or grinding. For rougher surface, turning using carbide tools, light cuts and efficient cooling to avoid overheating is recommended. Grinding in fine steps using cooling, light pressure and clean wheels gives smoother finish.

Mechanical properties

Wire sizeYield strengthTensile strengthElongation
ØRp0.2RmA
mmMPaMPa%
1.66707307

Physical properties

Density g/cm38.20
Electrical resistivity at 20°C Ω mm2/m0.37
Melting point °C1435
Magnetic PropertiesMagnetic up to approx. 530 °C (Curie point)
Dimension tolerance mm+ 0/-0.05

Typical coating properties

Summary of results obtained when spraying with a conventional Arc Spray gun, using varying spraying parameters.

Deposition efficiency (%)65-78
Hardness HV (300g)130-215
Surface roughness (µm)7-13
Porosity (%)1-5*
Oxides (%)15-22*

*) These results are obtained when using air as spraying gas. Also nitrogen has been used, resulting in lower rates of porosity and oxides.



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