Chemical 71

Galvanic treatments

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  3. Chemical 71
- 01 Main board
- 02 Other informations
- 03 Contacts
Cover
Main board WEAR AND SCRATCH RESISTANT SURFACE DEPOSITION ON ALUMINIUM, STEEL, IRON, BRASS AND BRONZE.
  • Increased surface micro-hardness
  • Magnetic transfer
  • High dielectric coefficient
  • Constant homogeneous coating over the entire surface of the part with a tolerance of ± 3 microns
  • Compliant with ASTM B733 REV 4

Chemical nickel plating process with medium phosphorus content (5-9%) with high anti-wear performance and surface hardness.

The deposited electroless nickel has advantages in terms of thickness uniformity and surface hardness. Compared to other chemical nickel coatings, it allows a deposition speed that can meet even the most stringent production schedules.

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Other informations
CORROSION RESISTANCE

Chemical 71® is a chemical nickel coating with a higher corrosion resistance than electrolytic nickel plating and electrolytic zinc plating. It can be used even in severe corrosive environments at thicknesses of over 30 microns.

SURFACE HARDNESS

Chemical 71® is chosen because it has a hardness of 650-750 hv without additional heat treatment, i.e. an increase of about 200 hv more than HIPLATE LM40. Heat treatment at 350°-400° significantly increases the micro-hardness of the coating.

SOME VALUES TO BE CONSIDERED

Density: 7.86 grams/cm2 at 20°C
Thermal expansion: 13×10-6 cm/cm/°C
Elasticity module: 20,000 kg/mm2
Electrical resistivity: 60µΩ/cm
Thermal conductivity: 0.0135 cal/cm/sec/°C
Wear Resistance: similar to Hard Chromium
Adhesion: from 34 to 46 kg/mm2

APPLICATIONS

Nautical, marine, automotive, motorbike, textile, mechanical, household appliances, aeronautical, agricultural machinery, packaging machinery.

Locations of the treatment
Ossido duro

Gaser Ossido Duro

Bologna

Gaser Bologna

technical coating

Gaser T.C. Technical Coating

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