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Company Name: Yantai Yuntong Electroplating Co., Ltd.

Contact: Mr. Zhao  

Phone: 0535-4212727  

Mobile phone: 18353530888/18363806777

Address: No. 812, Government Street, Muping District, Yantai

Website: acwlkj.cn

Postcode: 264100


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  • Method for removing hydrogen after electroplating

    Hydrogen embrittlement is a delayed fracture that occurs due to the infiltration of hydrogen into the interior of a metal, causing the metal material to undergo a static stress below the material's yield strength. Hydrogen embrittlement is a relatively common phenomenon in engineering. Especially in the production process of electroplating, it is easy to cause hydrogen embrittlement in metal materials. Hydrogen embrittlement during electroplating mainly occurs in the processes of pickling and electroplating.
    Release time: 2019-02-28 Clicks: 717

  • Difference between Phosphating and Blackening

    Phosphorization (phosphorization) is a chemical and electrochemical reaction to form a phosphate chemical conversion film. The phosphate conversion film formed is called a phosphate film. The purpose of phosphating is to provide protection for the base metal and prevent the metal from being corroded to a certain extent; used as a primer before painting to improve the adhesion and anti-corrosion ability of the paint film layer;
    Release time: 2019-02-21 Click times: 625

  • Electrophoretic coating

    The electrophoretic coating method is suitable for a large number of assembly lines. The renewal period of the electrophoresis bath should be within 3 months. Taking an electrophoresis production line with an annual output of 300,000 steel rims as an example, the scientific management of the tank fluid is extremely important. Various parameters of the tank fluid are regularly tested, and the tank fluid is adjusted and replaced according to the test results. Generally measure the parameters of the bath fluid at the following frequency
    Release time: 2019-02-15 Clicks: 567

  • What are the characteristics of galvanized nickel alloy?

    1. Excellent corrosion resistance. At the same thickness, the corrosion resistance of the zinc-nickel alloy layer is 4-8 times that of the pure zinc coating. The coating itself is an anode coating on the steel substrate, which can provide effective cathodic protection. 2. Keep the thickness within the range of 5 ~ 15μm within the tolerance of the thread, which can obtain the corrosion resistance for a long time. Shows that the coating itself has a very low corrosion rate
    Release time: 2019-01-21 Clicks: 241

  • How to treat the electroplating wastewater

    In the process of electrogalvanizing process, the reasonable use of various treatment solutions and processing equipment is very important. No matter what processing activities are, it is possible to produce waste or sewage. So, how should the wastewater produced by electrogalvanization process be properly treated? Some people disagree, and think that the wastewater treatment of electrogalvanization is not a big problem. But over time,
    Release time: 2019-01-14 Clicks: 121

  • Effect of current efficiency on electroplating

    During the plating process of nickel-tungsten alloy additives, it can be seen that bubbles sometimes precipitate on the plated parts, and the test proves that these gases are hydrogen. This indicates that part of the current is consumed by the hydrogen precipitation reaction in the electroplating. In other words, the current is not used 100% of the metal precipitation. We call the ratio of the current used to plate the metal to the total current through the plating tank as the current efficiency
    Release time: 2019-01-07 Clicks: 149

  • Application and precautions of electrophoretic coating processing

    Speaking of the emergence of electrophoretic coating processing technology, along with the rapid development of our national machinery industry, higher and higher requirements for vehicle product quality have been put forward. The high safety, high environmental protection and diversified personality of vehicles determine the An electrophoretic coating process based on the increasing technical requirements for the surface protection of fasteners. About electrophoretic coating processing
    Release time: 2019-01-02 Clicks: 204

  • Method for removing hydrogen after electroplating processing

    Dehydrogenation method after plating processing! Hydrogen embrittlement is a relatively common phenomenon in engineering. Especially in the processing and production process of Tianjin electroplating plant, it is easy to cause hydrogen embrittlement in metal materials. Hydrogen embrittlement during electroplating mainly occurs in pickling, electroplating and other processes. Therefore, many parts will be dehydrogenated after electroplating to avoid the harm caused by hydrogen embrittlement.
    Release time: 2018-12-24 Hits: 203

  • Difference between zinc-nickel alloy and galvanized

    One: Characteristics of zinc-nickel alloy coatings In zinc-based alloys, zinc-nickel alloy coatings are a new type of excellent protective coatings, which are suitable for use in harsh industrial atmospheres and harsh marine environments. The corrosion resistance of zinc-nickel alloys with a nickel content of 7-9% is more than three times that of zinc coatings; the corrosion resistance of zinc-nickel alloy coatings with a nickel content of about 13% is more than five times that of zinc coatings. It has
    Release time: 2018-12-17 Hits: 213

  • Difference between plating and anodizing

    Usually, the surface treatment of metal alloys will choose electroplating or anodizing. What is the difference between these two processes? One: Different plating methods use the material to be plated as the cathode, the same metal material as the plated metal as the anode (there is also an insoluble anode), and the electrolyte is a solution containing the plated metal ions; a certain amount of input between the anode and the cathode Electricity
    Release time: 2018-12-10 Click times: 389

  • Phosphate common sense

    I. Phosphating principle The principle of phosphating is to coat the steel pipe to prevent the metal from being corroded, and it has certain friction reducing and lubrication effects. 2. Phosphating conditions and advantages Phosphating is divided into high temperature and normal temperature: ① High temperature phosphating temperature is generally 80-98 ℃, the processing time depends on the situation, forming a phosphating film thickness of 10-30g / m2. Free acidity and total acidity of solution
    Release time: 2018-12-03 Click times: 187

  • Key points of zinc-nickel alloy plating control

    Zinc-nickel alloys (usually containing 10% to 15% Ni by mass) have high corrosion resistance (3 to 6 times that of zinc coatings), and their hardness is 200 to 250 HV, which is higher than that of alkaline zincate zinc coatings. High hardness (90 ~ 120HV), and low hydrogen embrittlement, good weldability and machinability. Zinc-nickel alloy electroplating process
    Release time: 2018-11-27 Hits: 167

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Yantai Yuntong Electroplating Co., Ltd.

Contact: Mr. Zhao

Mobile phone: 183-5353-0888 / 183-6380-6777

Phone: 0535-4212727 4268278

Fax: 0535-4216068

Website: acwlkj.cn

Address: No. 812, Government Street, Muping District, Yantai

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