Industry News

  • Mechanical polishing of stainless steel
    Post time: 12-06-2019

      Mechanical polishing Mechanical cutting, polishing is to rely on material surface plastic deformation after removed by polishing the convex part of the smooth surface polishing method, commonly used article oil stone, wool wheel, abrasive paper, etc., with manual operation is given priori...Read more »

  • How is this surface effect achieved in stainless steel?
    Post time: 12-05-2019

      1) mirror polishing: this is a very mature process, with sand belt + high speed polishing machine to remove the stainless steel skin, and then with hemp wheel + cloth wheel polishing, can achieve different degrees of mirror bright surface. To further mention the brightness, you need nicke...Read more »

  • Stainless steel rust spot how to deal with?
    Post time: 12-04-2019

      1. Chemical methods After pickling, it is important to properly flush with clean water to remove all contaminants and acid residues. After all treatment with polishing equipment to re-polishing, with polishing wax closed can. Local slight rust spot can also be used 1:1 gasoline, oil mixtu...Read more »

  • Stainless steel color pull plate processing technology
    Post time: 12-03-2019

      Rolling plate: Reasons for the production of calender: because there is a big difference between hot-rolled coil and cold-rolled coil, and the price of rerolled coil is cheaper than that of cold-rolled coil, the calender has both price advantages and a large margin, so many manufacturers ...Read more »

  • There are problems in the process of stainless steel products
    Post time: 12-02-2019

      1. Weld defects: the weld defects are serious, so manual and mechanical polishing is adopted to make up for them, resulting in uneven surface and poor aesthetics. 2. Inconsistent surface: only pickling and passivation of the weld will cause uneven surface and affect the appearance. 3. Scr...Read more »

  • How is stainless steel classified?
    Post time: 11-29-2019

      1. Structure classification: austenitic stainless steel, martensitic stainless steel, ferritic stainless steel, duplex stainless steel and submerged hardened stainless steel. 2. Chemical composition classification: Cr stainless steel, cr-ni stainless steel, cr-mn-n-ni stainless steel, ult...Read more »

  • Several methods of surface treatment of stainless steel are commonly used
    Post time: 11-28-2019

    1. Surface whitening treatment: during the processing of stainless steel, after rolling, binding, welding or after artificial surface fire heating, black oxide skin is produced. This hard gray-black oxide skin is mainly NiCr2O4 and NiF two EO4 components, generally used before hydrofluoric acid ...Read more »

  • Why does 304 stainless steel rust?
    Post time: 11-26-2019

    1. Chlorine ion exists in the operating environment Chloride ions are widely found in salt, sweat, sea water, sea breeze, soil and so on. Stainless steel in the presence of chlorine ions in the environment, corrosion quickly, even more than ordinary low carbon steel. No solid solution treatment ...Read more »

  • The difference between 304 and 316 stainless steel
    Post time: 11-25-2019

    304 stainless steel: 304 stainless steel is the most common type of steel, as a wide range of USES of steel, with good corrosion resistance, heat resistance, low temperature strength and mechanical characteristics; Stamping, bending and other thermal processing, no heat treatment hardening pheno...Read more »

  • Properties and characteristics of the main steels of stainless steel
    Post time: 11-23-2019

    1, 304: due to better corrosion resistance, high strength, long life, and a good color and surface gloss, as a rust resistant heat resistant steel is the most widely used, suitable for food equipment, general chemical equipment, especially for decoration industry, such as stainless steel fence. ...Read more »

  • Stainless steel 201 is different from 304
    Post time: 11-22-2019

      1, specification: commonly used stainless steel plate is divided into 201 and 304 two models, the actual composition is different, 304 is better in quality, but more expensive, 201 is worse. 304 is imported stainless steel plate,201 is domestic stainless steel plate. 2, 201 is a section o...Read more »

  • Processing difficulties of stainless steel materials
    Post time: 11-20-2019

      Material property analysis 1. Strong toughness As we all know, the existence of collective iron stainless steel material leads to the high hardness of the material, especially under high temperature conditions, the reality of the high hardness, high strength is difficult to achieve accura...Read more »

  • What are the classification of stainless steel tubes?
    Post time: 11-15-2019

    Stainless steel pipe can be divided into ordinary carbon steel pipe, high-quality carbon structure steel pipe, alloy structure steel pipe, alloy steel pipe, bearing steel pipe, stainless steel pipe, double metal composite pipe, coating and coated pipe to save precious metal and meet special requ...Read more »

  • Knowledge of stainless steel processing
    Post time: 11-14-2019

    Stainless steel processing points note: affected by the processing temperature is easy to produce internal stress, a large number of chlorine ions to stress corrosion. In the process of plasma cutting, high local temperature leads to coarse grain of austenitic stainless steel, even produces loca...Read more »

  • Basic properties of stainless steel materials
    Post time: 11-13-2019

    Stainless steel is a kind of more corrosion-resistant steel, but is not absolutely not rusty steel, until now did not invent in any condition is not corroded steel, so specific steel is suitable for use in a certain environment. The corrosion resistance principle of stainless steel is: Cr2O3 blu...Read more »

  • The difference between pickling and passivation of stainless steel
    Post time: 11-12-2019

    One, the nature is different 1, pickling: the use of acid solution to remove the surface of iron and steel oxide and rust, a method of cleaning the surface of metal. 2. Passivation: the process in which the metal is oxidized by strong oxidant or electrochemical method to make the surface become ...Read more »

  • Surface processing grade, characteristics and application
    Post time: 11-11-2019

    Original surface: NO.1 surface treated with heat treatment and pickling after hot rolling. Generally used for cold rolling materials, industrial tank, chemical industry equipment, etc., the thickness of the thick from 2.0mm-8.0mm. Blunt surface: NO.2D cold rolling after heat treatment, pickling,...Read more »

  • Common welding method of stainless steel
    Post time: 11-09-2019

    (1) manual arc welding Manual arc welding is a kind of welding method with manual operation of arc electrode. During manual arc welding, an arc is generated between the electrode and the workpiece to heat the electrode and part of the workpiece to the melting state. The molten droplet at the end...Read more »

  • Commonly used stainless steel brand and performance
    Post time: 11-08-2019

      1. 304 stainless steel. It is one of the most widely used austenitic stainless steels, which is suitable for manufacturing deep drawing forming parts and acid conveying pipes, containers, structural parts, various instrument bodies, etc. It can also manufacture non-magnetic and cryogenic ...Read more »

  • The difference between 304 and 316 stainless steel
    Post time: 11-07-2019

    In general we now live in more common tableware is stainless steel tableware, or the tableware of pottery and porcelain, bone China, now many people generally choose the time of the spoon or the pot can choose made of stainless steel tableware, because of the stainless steel rust is more, the se...Read more »

  • Stainless steel processing technology and application field
    Post time: 11-01-2019

      Stainless steel processing is based on the performance of stainless steel shear, folding, bending, welding and other mechanical processing of stainless steel products needed for industrial production process, in the process of stainless steel processing need to rely on a large number of m...Read more »

  • Stainless steel Brushed Gold No.4 Mirror Finished Normal&Special-Guang dong HongWang Stainless steel Company
    Post time: 10-31-2019

    Stainless steel Brushed Gold No.4 Mirror Finished Normal&Special -Guang dong Hong Wang Stainless steel Company Read more »

  • 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 »

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