Normandy Metal Industry Co., Ltd.
Normandy Metal Industry Co., Ltd.

How to Gold Plate Stainless Steel

May 28 , 2024

How to Gold Plate Stainless Steel


In modern industry and design, golden stainless steel plates have become the first choice of many B-end buyers because of their noble appearance and excellent performance. So, how to plate stainless steel plates with gold? First, you need to prepare stainless steel plates, gold plating liquid, cleaning agents and electroplating equipment. Proceed as follows:


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Clean stainless steel plates:

Use a professional cleaner to thoroughly clean the stainless steel surface to ensure that it is free of oil, dust and other impurities.

Pre-plating treatment:

Dip the stainless steel plate into an acidic solution for pickling to remove the oxide layer on the surface.

Electroplating process:

Put the stainless steel plate into the gold plating solution, connect the power supply, and start electroplating. Plating time and current intensity need to be adjusted according to specific requirements.

Post-processing:

After electroplating is completed, the stainless steel plate is taken out, cleaned and dried, and finally polished to obtain a bright golden surface.


Which Is More Difficult To Gold 304 Stainless Steel Plate or Gold Ordinary Stainless Steel Plate?


It is more difficult to plate gold on ordinary stainless steel plates (such as 201 2b stainless steel). Pretreatment complexity: There may be a thick oxide layer and impurities on the surface of 201 stainless steel, requiring more complex pretreatment steps, such as stronger pickling or mechanical grinding. Surface finish: The surface flatness and finish of 201 stainless steel is not as good as that of 304 stainless steel, and more polishing and processing steps are required to achieve the ideal gold plating effect. Electroplating parameter control: The chemical stability and electrical conductivity of 201 stainless steel are not as good as 304 stainless steel. Finer parameter control is required during the electroplating process to ensure the uniformity and adhesion of the gold plating layer. In comparison, the difficulty of gold plating on 304 BA stainless steel is relatively low, because its material properties and simplicity of surface treatment make the gold plating process smoother.


How to Get Gold Plating Off Stainless Steel


Occasionally, you may need to remove the gold plating from stainless steel, rework it, or replace the plating. So, how to remove gold plating safely and effectively? Here are some common methods:

  • Chemical solution: Use a special deplating solution to effectively remove the gold coating on the surface of stainless steel. Wear protective equipment when operating to ensure safety.

  • Mechanical grinding: Use sandpaper or a grinder to grind the stainless steel surface to remove the gold coating layer by layer. This method is suitable for thicker coatings, but care needs to be taken to control the grinding intensity to avoid damaging the stainless steel substrate.

  • Electrolytic deplating: Put the stainless steel plate into a specific electrolyte to remove the gold plating through electrolytic reaction. This method is highly efficient, but requires specialized equipment and operating skills.

No matter which method you choose, you need to pay attention to operational safety and environmental protection to ensure that the deplating process goes smoothly.


How to Gold Plate Steel


In addition to stainless steel, ordinary steel can also be gold-plated to improve its appearance and corrosion resistance. Here are the basic steps for gold plating steel:

1. Surface cleaning: Use detergent to thoroughly clean the steel surface to remove oil and impurities.

2. Pickling treatment: The steel is immersed in an acidic solution to remove the oxide layer and rust on the surface.

3. Nickel plating bottom layer: A layer of nickel is first plated on the surface of the steel to improve the adhesion and durability of the gold plating layer.

4. Gold plating treatment: Put the steel into the gold plating solution, connect the power supply, and perform electroplating. Adjust plating time and current intensity according to needs.

5. Post-processing: After electroplating is completed, clean, dry and polish to obtain a bright golden surface.

Through the above steps, you can transform ordinary steel into high-end golden steel, which is widely used in decoration, construction, electronics and other fields.


Whether it is gold-plated stainless steel or ordinary steel, Normandymetal stainless steel products company can provide you with professional technical support and high-quality products. Choose us to help you stand out in the market competition and win more business opportunities!






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