Processes and servicesMaterials that ELHCO can process
Aluminium alloysCopper alloysLow alloy steelsHigh tensile strength steels (>1240 MPa)Corrosion resistant steelsPrecipitation hardened steels
Material preparation
 01. Abrasive Blasting
 02. Sand Blasting
 03. Selective Masking
 04. Cleaning and degreasing by trichloroethylene
 05. Cleaning and degreasing by Ultrasounds
 06. Cleaning and degreasing with aqueous alkali media
 07. Cathodic electrolytic cleaning and degreasing with aqueous alkali media
 08. Anodic electrolytic cleaning and degreasing with aqueous alkali media
 09. Acid pickling
 10. Acid activation
 11. Zinc Amalagam
 12. Wood’s Nickel
 13. Strike Nickel
Electroless plating
 14. Electroless Nickel-Phosphorus Plating
 15. Electroless Nickel-Phosphorus-Teflon Plating
Electrolytic Plating
 16. Nickel
 17. Zinc-Nickel
 18. Gold
 19. Tin
 20. Silver
 21. Copper
Passivation
 22. Passivation of corrosion resistant steels
 23. Passivation with Crom (III)
Anodizing and Chemical Conversion of Aluminium
 24. Sulphuric acid anodizing
 25. Hard anodizing
 26. Chromic acid anodizing
 27. Black anodizing
 28. Satinate
 29. Alodine
Post-process heat treatment
 30. Heat treatment for hydrogen de-embrittlement
 31. Heat treatment for hardness enhancement
Plating removal
 32. Nickel
 33. Gold
 34. Silver
 35. Tin
 36. Zinc
 37. Anodized layer removal

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