Only anti-rust oil can make investment casting company rust-proof. However, we will undertake casting surface finishing to improve the appearance quality, protect the surface from external effects, modify material characteristics and brand influence, and so forth.

Surface treatment is applying a coating to the surface of a work piece using a specific technique. The goal is to make the product’s surface attractive and anti-corrosive. In general, there are no unique requirements for precision casting surface treatment.

Different Types of Investment Casting Surface Treatments

  • Ion plating.

Ion plating is a technique in which a gas discharge partly ionizes a gas or evaporated material in a vacuum. A vaporized material or a reactant thereof is deposited on a substrate by the action of gas ions or bombardment by an evaporating ion-plating schematic substance.

  • Electroplating plating

The electroplated pieces are immersed in an aqueous solution containing the deposited metal complex. Allow the plating solution to flow through the plating solution to deposit and deposit on the component.

  • Plating via mechanical means

The particles of the coated metal alter the product’s surface. The coating is cold fuse to the product’s surface.

  • Electrocatalytic Plating

It’s call Chemical Plating.” Other autocatalytic nickel-phosphorus plating and industrial uses include “Electroless Plating.” Electroless nickel plating is a surface treatment method that is rapidly gaining popularity across the world. It is non-polluting, simple to use, and extensively utilized. The coating is resistant to wear and corrosion.

  • Surface hardening

The surface hardening procedure refers to a treatment in which the surface layer of the part is hardened using an appropriate approach. The core of the component retains its hardness.

  • Plating by Immersion

By displacement reaction immersion plating with copper sulfate and stannous sulfate as primary salts, a gold-yellow copper-tin alloy layer was formed on the surface of steel objects.

  • Powder coating:

Surface coating is better than color painting for environmental protection and worker safety.

  • Coating for Chemical Conversion

Coating for Chemical Conversion Blackening. Also known as “blackening.” Phosphate of steel. Composite plating (dispersion plating) is a chemical process employing metal ions and a non-solution evenly suspended in a solution.

  • Plating in Chrome

Chrome plating is the act of plating chromium as a plating layer on other metals.

  • Zinc plating

Because of their high cost, small varieties of investment casting company are appropriate.

  • Finishing Paint

Hand coating, electrostatic coating, and electrophoretic coating are examples of coatings. A sample or color number can control it.

  • Chemical Conversion Coating

Chemical Conversion Coating Blackening. Also referred to as “blackening.” Steel phosphorylation. The chemical method of composite plating (dispersion plating) uses metal ions and a non-solution suspended solution.

  • Chrome plating

Chrome plating is the process of plating chromium as a plating layer on other metals.

  • Paint Finishing

Coatings include hand coating, electrostatic coating, and electrophoretic coating. A sample or color number use to manage it. Second, a surface treatment method was use on castings. Typically applied to steel and iron investment casting company as a surface treatment.

  • Tinning in hot water (Tinning).

Hot-dip tinning is primarily a semi-automated process that employs continuous automatic washing and pickling to continually remove dirt and rust spots on the surface of the object to be plated. 

  • Cathode sputtering is number eleven.

When charged or neutral particles with enough energy collide with an object’s surface, energy can be transmitted to the atoms on the surface.

  • Vacuum plating 

Vacuum plating consists mainly of vacuum evaporation, sputtering, and ion plating. They are all used to deposit different metal and non-metal coatings on the surface of plastic objects using vacuum distillation or sputtering.

  • Black oxide

Painting is a less expensive approach to keeping investment casting companies from rusting.

  • Phosphating therapy 

A type of chemical layer conversion method that employs pretreatment technology.


It would be preferable if paired with an organic covering. However, the surface state will change. Use a sealant after plating for more rust-proof surface treatment.

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