• 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 »

  • In the first phase, hongwang will produce 700,000 tons of continuous rolling and rolling units
    Post time: 09-26-2019

    Recently, hongwang group is located in yangjiang high-tech zone production base yangjiang hongwang industrial co., LTD. The first phase of the project is stable trial production, the product quality has reached the expected, the production line speed is steadily improving, it is expected to rea...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 »

  • Hongwang group participated in the fifth pearl river west bank advanced equipment manufacturing investment and trade fair
    Post time: 09-25-2019

    The fifth advanced equipment manufacturing investment and trade fair on the west bank of the pearl river opened in foshan on September 20. The meeting is hosted by foshan municipal government and guangdong provincial department of industry and information technology, and jointly organized by zhu...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 »

  • How to distinguish 201 from 304 stainless steel
    Post time: 05-10-2019

    1, commonly used stainless steel plate is divided into 201 and 304 two models, the actual is the composition is different, 304 quality is better, but the price is expensive, 201 poor.304 for imported stainless steel plate,201 for domestic stainless steel plate. 2. The composition of 201 is 17cr-...Read more »

  • Post time: 05-09-2019

    Does the market really have low price and good quality stainless steel plate?Before we figure this out, what is stainless steel?Why are there pros and cons?Price difference? Stainless steel – officially known as not easy to rust steel, referred to as stainless steel!Only when the metal ele...Read more »

  • What is hot rolling of stainless steel
    Post time: 05-08-2019

    The advantage of the hot rolling process of stainless steel is that it can destroy the cast structure of the stainless steel body, so as to refine the grain of the stainless steel material, and can also remove the defects of the microstructure, so as to make the metallographic structure of the s...Read more »

  • How to choose the right stainless steel plate
    Post time: 05-07-2019

    Due to the type of stainless steel, included in the standard brand more, while there are a large number of widely used non-standard brand, these brand performance is different, and there are a large number of widely used non-standard brand, these brand performance is different, so the appropriat...Read more »

  • What about the corrosion resistance of 304 stainless steel tubes
    Post time: 05-06-2019

    The tensile strength of stainless steel pipe made of 304 material is much greater than 530N/mm. Its tensile strength is 2 times that of galvanized pipe, 3 to 4 times that of copper pipe and 8 to 10 times that of PPR pipe. At the same time, also has good ductility and toughness, in basic – 2...Read more »

  • How to prevent and delay the rust of stainless steel pipe?
    Post time: 05-05-2019

    Stainless steel passivation solution is mainly suitable for batch number, production and convenient for small and medium-sized stainless steel workpiece, such as screw, communication equipment parts, stainless steel casting, small furniture, food machinery, digital electrical parts, metal parts,...Read more »

  • How to define high quality stainless steel sheet
    Post time: 04-30-2019

      High quality stainless steel plate is the most basic acid and alkali tolerance is better, heat resistance.In addition, the content of lead, cadmium and other harmful elements in the material is required to be lower than the mandatory standard to prevent hazards caused by long-term exposur...Read more »

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