301 Stainless Steel

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FAQ

Stainless steel why rust?

In polluted air (e.g., atmosphere containing large amounts of sulfides, oxides of carbon and nitrogen oxides), condensate is formed when sulfuric acid, nitric acid, and acetic acid are subjected to condensation, resulting in chemical corrosion.

Can 304 stainless steel be electroplated?

In order to plating the coating with good bonding ability, we must solve the problem of this layer of film. That is to say, before the new film is formed, the coating is plated, the problem is solved, and this is the pre plating process. The pre plating is preferably performed in two steps, namely activation and pre plating. Activation is usually performed by anodic or cathodic treatment in sulfuric acid solution, removing the surface passivation film, and then pre plating in the pre plating bath. Pre plating solution usually contains more than 200g/L more than 100mL/L of nickel chloride and hydrochloric acid, because of containing high concentrations of hydrochloric acid solution, pH is very low, not only have a strong activation effect on the substrate surface, will produce a large amount of hydrogen in the pre plating process, the new ecological has strong effect of hydrogen reduction on the substrate surface, a layer of nickel it is coated on the surface of the nickel layer activation, cut off the air, the surface will not generate passivation film. Pre plating and then plating other coating, bonding force naturally high.

What's the difference between stainless steel signs and other materials?

The design concept and application of stainless steel signage materials come from Europe, which provides more attractive examples and more diversified design concepts for China's guidance system material family. Since 1996 Chinese landing, after the promotion and efforts of many material suppliers, design companies and advertising companies for many years, now can be said to be used widely, not only in the guidance system of municipal engineering, the commercial building used frequently, and all public places, including hospitals, schools, parks, entertainment, Metro other places have been widely used, which provides a more promising market for the sale and use of stainless steel marking material, but also provides market prospects for the same advertising materials wholesalers, more decoration engineering company, design company, etc..

What is stainless steel AB board?

You should say that BA (Bright, Annealing, bright annealing) plate, and 2B plate is different from the annealing process is different, 2B using annealing and pickling combination process, BA using hydrogen protection, anaerobic annealing. The rolling process and leveling process of the two surfaces are also different.

D2 steel and 1040 steel made of knives which is good, sharp, retention and impact resistance what?

1040 is medium carbon steel, and D2 is stainless steel. Sharpness and retention in stainless steel after quenching is better than carbon steel, carbon steel because many crystallization times thinner than stainless steel, carbon steel structure is very simple and straightforward; in proper treatment, they were extremely swift and fierce, the impact is very good, cutting ability. Superior cutting quality and high strength make them the obvious preferred targets for fighting knives or survival knives. Their only drawback is that the use of the process will lose luster, lack of maintenance will cause corrosion problems.

Decontamination method of stainless steel material

Clean without strong base or strong oxidizing chemicals, such as bleach.

Stainless steel can be magnet?

Stainless steel is a generic term, the standard name is "acid alkali resistant steel, stainless steel is based on ordinary steel with chromium, nickel and other metal elements made of steel products, the content of nickel, molybdenum, titanium and other metal elements is high, the better the quality of stainless steel. The traditional method of identification is to use a magnet to attract, the smaller the magnetic, the better the quality.

How to solve the stainless steel welding, stainless steel inside and outside surface blackening, yellow

You can do smear back protection agent in the back, is a can save argon, with 1 mm thickness can, when welding on the front and on the back, forming a layer of thin film forming a protective layer.