Industry News

  • Surface treatment of stainless steel
    Post time: 10-30-2019

    1) cleaning and polishing: if there is any damage, it should be polished, especially the scratch and splash caused by contact with carbon steel parts, and the damage caused by cutting slag must be cleaned and polished thoroughly. 2) mechanical polishing: appropriate polishing tools should be use...Read more »

  • Common problems in stainless steel surface treatment and product processing
    Post time: 10-28-2019

    1. Weld defects: due to serious weld defects, manual mechanical grinding is adopted to make up for them, resulting in uneven surface and affecting the appearance. 2. Inconsistent surface: only pickling and passivation of welding seams can cause uneven surface and affect the appearance. 3, scratc...Read more »

  • Stainless steel hot rolling and cold rolling what is the difference
    Post time: 10-26-2019

    The main difference between hot rolling and cold rolling 1. Appearance and surface quality: Because of cold plate is, resulting from the hot plate in cold rolling process and cold rolling at the same time also can do some surface finishing so cold plate on the surface quality (such as surface ro...Read more »

  • Ningde municipal committee deputy secretary personally visited fujian hongwang workers
    Post time: 10-25-2019

    Recently, the deputy secretary of ningde municipal party committee, mayor liang weixin and other leaders visited fujian hongwang, for the front-line workers to bring cordial holiday greetings. General manager of fujian hongwang deng hongxiang accompanied condolences. Mayor liang and his team wen...Read more »

  • Why is stainless steel also magnetic?
    Post time: 10-24-2019

      People often think magnet adsorption stainless steel, verify its advantages and disadvantages and authenticity, do not attract no magnetic, think it is good, genuine; The person that suck has magnetism, think it is counterfeit fake. In fact, this is a very one-sided, not practical wrong m...Read more »

  • Main USES of several stainless steel raw materials
    Post time: 10-23-2019

    We can encounter a lot of things of stainless steel material in daily life, include kitchen utensils and appliances, tableware to wait among them, and to the stainless steel material of kitchen utensils and appliances and tableware a lot of people do not understand. Here are some common sense op...Read more »

  • What areas are 400 series stainless steels used for?
    Post time: 10-22-2019

    Cold-rolled 400 series stainless steel plate: Automobile exhaust system (35% USA, 40% eu, 100% Japan), above 600℃ in high temperature section, for exhaust straight pipe (409L,436L,444) considering thermal fatigue. Low temperature section below 600℃, used for front muffler, tail tube, catalytic c...Read more »

  • The most common 304 stainless steel is introduced
    Post time: 10-21-2019

    Stainless steel is more difficult to stain than other iron foundations, but it is not really “stainless steel”. Like standard steel, stainless steel can be marked with fingerprints and grease, which can change color and eventually rust. The difference is elasticity. Stainless steel c...Read more »

  • What kinds of stainless steel do you know?
    Post time: 10-18-2019

    What is stainless steel material? Stainless steel material, as its name implies, is not easy to rust steel material, belongs to a kind of metal material, is a kind of both corrosion resistance, have an stainless alloy metal material. After years of research and development, stainless steel has a...Read more »

  • Common problems in stainless steel surface processing
    Post time: 10-09-2019

    1. Weld defects: due to serious weld defects, manual mechanical grinding is adopted to make up for them, resulting in uneven surface and affecting the appearance. 2. Inconsistent surface: only pickling and passivation of welding seams can cause uneven surface and affect the appearance. 3, scratc...Read more »

  • Stainless steel cold rolling and hot rolling process difference
    Post time: 10-08-2019

    1. Appearance and surface quality:Because of cold plate is, resulting from the hot plate in cold rolling process and cold rolling at the same time also can do some surface finishing so cold plate on the surface quality (such as surface roughness, etc.) better heat plate, so if the product after ...Read more »

  • Surface treatment process of stainless steel after welding
    Post time: 10-07-2019

    Stainless steel surface treatment process has many kinds, such as: electroplating, anodic oxidation, sandblasting, painting, passivation, pickling, degreasing in addition to oil, derusting and so on. Three common surface treatment processes of stainless steel are as follows: 1. Passivation of st...Read more »

  • China’s steel industry will usher in the “era of big steel enterprises”
    Post time: 10-06-2019

        It is understood that the “steel market outlook and risk control seminar in 2020″ (hereinafter referred to as the seminar) was held in nanjing. Seminar by dalian, nanjing iron and steel (hereinafter referred to as cultivation) and senior financial institute of Shanghai ...Read more »

  • Surface pretreatment of 304 stainless steel tube
    Post time: 09-30-2019

    The 304 stainless steel tube with galvanized and coated steel tube is the same as the coated steel tube, which is based on the steel tube. The tube is coated with inside and outside steel tube. Generally, the inner coating is plastic, which is used for anticorrosion. Therefore, 304 stainless ste...Read more »

  • Compare 3 polishing methods of stainless steel
    Post time: 09-29-2019

    How to treat the special “magnetism” of stainless steel in fasteners? Stainless steel is not actually “magnetic”.About this problem, it refers to the austenitic system of materials after processing may appear magnetic, so intuitively think that the judgment of magnetic is...Read more »

  • The 14th south China stainless steel · metal materials exhibition will be held in April 2020
    Post time: 09-28-2019

    Professional focus on building brand exhibition South China stainless steel, metal materials, the exhibition has been successfully held 13 consecutive terms, is the present domestic few in the field, professional strong brand exhibition, to help the industry enterprise brand image, promote produ...Read more »

  • The world’s first stainless steel futures listed in Shanghai, China
    Post time: 09-27-2019

    At 9 am on September 25, the world’s first stainless steel futures was officially listed and traded in Shanghai futures exchange. The first batch of members and customers participating in the collection bidding are 114, 632, the first batch of 1009 hands (unilateral).Participated in the c...Read more »

  • What kind of stainless steel is not easy to rust?
    Post time: 09-25-2019

        There are three main factors affecting the corrosion of stainless steel: 1. Content of alloy elements. Generally speaking, the content of chromium in 10.5% steel is not easy to rust.The higher the content of chrome-nickel, the better the anticorrosive property. For example, the con...Read more »

  • The advantages and disadvantages of three common polishing processes in the stainless steel industry
    Post time: 07-01-2019

    Stainless steel mirror is through the use of mechanical, chemical or electrochemical polishing process, under the action of making stainless steel substrate surface roughness is reduced greatly, and substrate surface become shining, smooth, daily processing process is divided into two ways of gr...Read more »

  • what is the Stainless steel 304L, 304H, 304N  difference
    Post time: 06-24-2019

    304 food grade stainless steel is a common type of stainless steel material model, has a relatively good corrosion resistance, high toughness, high temperature resistance up to 800℃, and the processing performance in various models is also relatively excellent, widely used in the catering kitch...Read more »

  • What is austenitic stainless steel?
    Post time: 06-21-2019

    In 1913, austenitic stainless steel was introduced in Germany, austenitic stainless steel has been playing the most important role in stainless steel.In recent years, the production and use of austenitic stainless steel accounts for about 70% of the total production and use of stainless steel. W...Read more »

  • The difference between 304 and 316 stainless steel
    Post time: 06-18-2019

    Stainless steel has been word-of-mouth excellent functional materials, and since humans use, stainless steel products, decoration, pipelines and other related products by continual research and development, now in the life, as long as literally sideways two eyes can see the figure of stainless s...Read more »

  • What are the characteristics of stainless steel?
    Post time: 06-17-2019

    Stainless steel is a corrosion resistant, high temperature resistant, can be processed in depth of an environmental protection material, in many fields can be used, and after decades of development and precipitation, domestic stainless steel production technology has become mature, has accumulat...Read more »

  • Whether stainless steel is magnetic or not
    Post time: 06-13-2019

    All metals react with oxygen in the atmosphere to form an oxide film on the surface.Unfortunately, the iron oxide formed on ordinary carbon steel continues to oxidize, causing the corrosion to expand and eventually form holes.You can use paint or oxidation resistant metal plating to protect the ...Read more »

  • Why scrap need classification
    Post time: 06-12-2019

    Scrap steel must be sorted. 5.2 the single dimension of scrap steel shall not be greater than 1500 mm, and the single weight shall not be greater than 1500kg. 5.3 for scrap steel with corrosion on the surface of a single piece, the rust thickness attached to each side shall not be more than 10% ...Read more »

  • How is scrap steel inspected
    Post time: 06-11-2019

    Several points on the quality inspection of scrap steel: Metallurgical enterprises have two major problems in the quality inspection of scrap iron and steel. One, buckle impurities Set up inspection scales at the steel scrap unloading site, and return to inspect the steel after unloading under ...Read more »

  • What is scrap steel
    Post time: 06-10-2019

    Scrap steel, refers to the steel scrap that does not become a product in the production process of steel works (such as cutting edge, cutting the first class) and the steel material in equipment and components that are scrapped after use, the composition of which is steel is called scrap steel;C...Read more »

  • Stainless steel plate bending processing needs to pay attention to what matters
    Post time: 06-04-2019

    In view of the stainless steel itself high yield point, high hardness, cold hardening effect is significant and other characteristics, in the processing operation should pay attention to the following conditions: 1, per unit size, the thicker the stainless steel plate, the greater the bending fo...Read more »

  • Stainless steel plate bending processing points for attention
    Post time: 06-03-2019

    Stainless steel plate in many practical applications, has a very broad application prospects, it can be processed into any needed style.Stainless steel plate manufacturers for stainless steel plate bending processing process, need to pay attention to the following matters: In view of the characte...Read more »

  • What is the difference between stainless steel plate and calender plate
    Post time: 06-01-2019

    Stainless steel calender has the following characteristics:  1. Quality: compared with the positive materials, there is a certain gap in the quality of calendering materials. Apparently, the color of calendering materials is darker than that of the positive plates, and the negative thickness is ...Read more »

  • What did an explosion cause?
    Post time: 05-31-2019

    After the xiangshui explosion on March 21, jiangsu province launched a large-scale investigation and rectification campaign on the safety production of chemical enterprises and chemical industrial parks. On April 1, jiangsu province released a plan for improvement and improvement of the chemica...Read more »

  • Post time: 05-25-2019

    Color stainless steel plate is a kind of environmental protection, recyclable decorative material, its surface can be processed into different colors and patterns.The collocation of colour and decorative pattern, let stainless steel board become the symbol of vogue, nobility, tide.As we all know...Read more »

  • What does the addition of L and H in 304 stainless steel tubes represent?
    Post time: 05-22-2019

    L in 304L stainless steel means low, ultra-low carbon stainless steel, the carbon content can be reduced to 0.03% below, can prevent intergranular corrosion, and in theory, the anti-stress corrosion effect is stronger than 304, but in practice is not significant.The intent is the same to reduce ...Read more »

  • Can 304 stainless steel resist the corrosion of brine?
    Post time: 05-21-2019

    Is 304 stainless steel brine resistant?Brine is the most detailed for example seawater, seawater contains salt inside, chloride ion is the main component part of salt, so seawater is full of chloride ion, the stainless steel of general raw material is the most afraid of chloride ion.When stainle...Read more »

  • Whether the stainless steel has magnetism
    Post time: 05-20-2019

    In real life, most people think that stainless steel is not magnetic, and the use of magnets to identify stainless steel, this method is very unscientific. First of all, zinc alloy, copper alloy can generally copy the appearance of stainless steel color, there is no magnetic, easy to be mistak...Read more »

  • How to distinguish 304 stainless steel
    Post time: 05-18-2019

    6 methods for the identification of 304 stainless steel: 1. There is a stainless steel identification liquid on the market, and the type of stainless steel is known by the content of nickel element in the stainless steel. 2 magnetic discrimination 304 stainless steel, the general magnetic larger...Read more »

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