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Chemical nickel plating and Hard chromium plating, Surface treatment - Kanigen - metal corrosion - Verbrugge nickel chrome
Verbrugge > Hard chromium plating > Technical specifications
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Hard chromium plating: Technical specifications

Hardness 1000 to 1100 HV OR 70 HRc
Corrosion protection Withstands numerous chemical agents even at high temperature (improved by a nickel sub-layer or multilayer chromium plating)
Thickness From 5 µ & 600 µ
Adaptability Cylindrical or flat-shaped parts, complex shape on request (possibility to protect some areas from plating)
Maximum dimension of parts 1800 x 1450 x 6000 mm
(max cylinder : Diameter 1200 mm x Length 6000 mm)
Grade of base All types of metal: carbon steel - even treated, stainless steel, copper and its alloys, cast iron, etc...
Friction coefficient Reduction of 50%
(comparison established between steel/steel and hard chrome/steel)
Regularity of thickness of deposit Smoothing reworking necessary for deposits greater than 50 µ
Adhesion of deposit on base Very good molecular attachment due to electrolytic process
Magnetic susceptibility Non-magnetic
Roughness Does not modify initial roughness of base.
Adaptable according to use: from 12/15 µ to 0.01 µ of Ra
Weldability Not advised
Density 7.2 g/cm3
Melting point 1800°c
Electrical resistivity 50 µohm/cm
Thermal conductivity 0.0550 Cal / cm / sec / °C
(excellent thermal conductor)