High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying

Product Details
Customization: Available
Product Type: Wire
Material: Fecral
Manufacturer/Factory, Trading Company
Diamond Member Since 2018

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  • High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying
  • High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying
  • High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying
  • High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying
  • High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying
  • High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying
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Basic Info.

Model NO.
0Cr23Al5
Size
1.6mm (1/16 Inch)
Application
Boiler Tube/Dimension Restoration
Spool Type
D 300
Wire Weight
15kg Each Spool
Wire Type
Solid Wire
Coating Hardness
85~90 Hrb
Equal to
Pmet 731
Transport Package
15kg Each Spool
Specification
1.6mm
Trademark
Allotech
Origin
China
HS Code
722330000
Production Capacity
10 Tons Every Month

Product Description

Alcro Wire is a ferritic iron-chromium-aluminum alloy (FeCrAl alloy) for use in arc and flame spray systems. The alloy produces dense, well bonding coatings, resistant to high-temperature oxidation and corrosion.

Typical applications for Alcro wire are bond coats in high-temperature coating systems, protective coatings in high-temperature atmospheres containing sulphur or carbon and protective coatings against scaling of conventional low alloy steels.

Chemical composition

  C % Si % Mn % Cr % Al % Fe %
Nominal composition           Bal.
Min - - - 20.5 5.3  
Max 0.08 0.7 0.4 23.5 6.3  

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 size Yield strength Tensile strength Elongation
Ø Rp0.2 Rm A
mm MPa MPa %
1.6 830 930 5

Physical properties

Density g/cm3 7.10
Electrical resistivity at 20°C Ω mm2/m 1.45
Melting point 1500 °C
Magnetic Properties The material is magnetic up to approximately 600 °C (the Curie point).
Dimension tolerance mm + 0/-0.05
 
Young's Modulus
Temperature °C 20
GPa 220

Typical coating properties

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

Deposition efficiency (%) 62-78
Hardness HV (300g) 165-280
Surface roughness (µm) 11-16
Porosity (%) 1-6*
Oxides (%) 5-20*

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

Safety

Personnel working with thermal spraying should be aware of the hazards connected to the process. They should be familiar with the use of equipment regarding, i.e. eye, skin, hearing and respiratory protection.
High Quality Cr23al5/Cr25al5/Alcro Wire for Thermal Spraying

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