Web Menu

Product Search

Language

Share

Industry News

Home / News / Industry News / Explore Pickling And Phosphating
Categories
Material Type (4) Industry Application (5) Process Technology (3)
Recommended Products
Low-Carbon Steel
Low-Carbon Steel

Mild steel is carbon steel with a carbon content o...

Carbon Steel
Carbon Steel

Medium carbon steel is carbon steel with a carbon ...

Alloy Steel
Alloy Steel

Alloy steel In addition to iron and carbon, other ...

Bearing Steel
Bearing Steel

Bearing steel, also known as high carbon chromium ...

Steel For Fasteners
Steel For Fasteners

Fasteners must be manufactured from raw materials,...

Steel For Special-Shaped Parts
Steel For Special-Shaped Parts

Special-shaped steel refers to steel whose shape i...

Industry News

Explore Pickling And Phosphating

Explore Pickling And Phosphating

Product overview：

Pickling and phosphating are two surface treatment processes commonly used in metal fabrication and industrial applications. Both processes involve chemical treatments to prepare metal surfaces for subsequent coating or painting. Let's explore pickling and phosphating in more detail:
Pickling:Pickling is a process that involves the removal of impurities, scale, rust, and oxide layers from metal surfaces, typically using an acid solution. The most commonly used acid for pickling is hydrochloric acid or sulfuric acid. The pickling process is essential for cleaning metal surfaces and preparing them for further treatments or coatings.
Key aspects of pickling include:Removal of Contaminants: Pickling removes various contaminants such as rust, mill scale, oxides, and welding scale from metal surfaces. This promotes better adhesion of subsequent coatings and ensures a clean, uniform surface.
Surface Etching: Pickling can cause a slight etching effect on the metal surface, which increases the surface area and promotes better coating adhesion. This helps the subsequent coating or paint to bond effectively with the metal substrate.
Acid Solution: The specific acid concentration and formulation used for pickling depend on the type of metal and the desired surface finish. Care must be taken during the pickling process to ensure the appropriate acid concentration, temperature, and contact time to achieve the desired results without damaging the metal surface.
Phosphating:Phosphating, also known as phosphate conversion coating, is a surface treatment process that creates a thin, adherent phosphate coating on metal surfaces. The most commonly used phosphating process is zinc phosphate or iron phosphate coating. Phosphating provides several benefits, including enhanced corrosion resistance and improved paint adhesion.
Key aspects of phosphating include:Corrosion Protection: Phosphate coatings provide a protective layer that enhances the corrosion resistance of metal surfaces. The phosphate coating acts as a barrier against moisture and other corrosive elements, reducing the risk of rust formation and improving the longevity of the metal substrate.
Paint Adhesion: Phosphate coatings create a surface that promotes better adhesion of subsequent paint or coating applications. The microcrystalline structure of the phosphate layer provides anchorage points for the paint, improving coating adhesion and reducing the likelihood of paint peeling or flaking.
Metal Preparation: Phosphating is often used as a pretreatment process before painting, powder coating, or other surface finishes. The phosphate coating serves as an intermediate layer between the metal substrate and the final coating, enhancing the overall performance and durability of the finished product.
It's important to note that both pickling and phosphating processes require careful handling of chemicals and adherence to safety precautions. Proper waste management and disposal of spent solutions are also critical to ensure environmental compliance.
Pickling Phosphating are surface treatment processes used in metal fabrication and industrial applications. Pickling removes impurities and prepares metal surfaces, while phosphating provides corrosion protection and promotes paint adhesion. These processes play a vital role in enhancing the quality, performance, and longevity of metal products in various industries.



Product overview：Pickling refers to the use of pickling solutions such as hydrochloric acid, sulfuric acid, etc. to wash off the oxide layer and dust on the workpiece. The role of cleaning surfaces. Phosphating is a process of chemical and electrochemical reaction to form a phosphate chemical conversion film, and the formed phosphate conversion film is called a phosphating film.
The main purposes of phosphating are: to provide protection for the base metal and to prevent the metal from being corroded to a certain extent; to be used as a primer before painting to improve the adhesion and anti-corrosion ability of the paint film; to reduce friction in the metal cold working process.

Product use and advantages:

The specifications that can meet your needs are:

Contact Us

Your email address will not be published. Required fiels are marked

Introduction

We Offer Specific Solutions
For Each Client

We are a source manufacturer of professional steel wire, we also have our own international trade department, we produce and sell by ourselves.
 
Ningbo SunRise Refined Metal Wire Material Co., Ltd. is China Custom Explore Pickling And Phosphating Suppliers and Explore Pickling And Phosphating Factory. We not only brought in 10 sets of spheroidizing annealing furnaces, dozens of metal wiredrawing equipments and twoworld's leading automatic phosphating pickling lines, but also engaged senior engineers as consultants fromTaiwan. The raw material that we use are supplied by the well known suppliers such as Bao Steel Co., Ltd and Xingtai lron & Steel Corp., Ltd. Also, the domestic lron & Steel manufacturers can be nominated by our customers.
 
We mainly produce steel wire made of alloy steel, bearing steel, free-cutting steel, high-quality carbon structural steel, low-alloy high-strength structural steel and other materials as raw materials. The annual output is 360,000 tons. It is one of the largest finished wire production bases in Ningbo. We serve all kinds of fasteners, special-shaped parts, automotive fasteners, wind power, petroleum and other fields. Ningbo SunRise is able to meet the high quality requirements of our customers throughout the whole operation process from raw materials to finished products.

Certificate

NEWS

News and Blogs