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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 »
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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 »
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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 »
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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 »
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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 »
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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 »
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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 »
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Recently, feng songbai, vice mayor of yangjiang city, led a group of leaders from the municipal bureau of industry and information technology and the municipal bureau of ecological environment to visit the production workshop of high-quality cold-rolled stainless steel with an annual out...Read more »
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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 »
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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 »
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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 »
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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 »
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Recently, linyi party secretary wang yujun led linyi city high quality development site exchange leaders and entrepreneurs to visit shandong hongwang stainless steel finishing project site observation and investigation. Xu tao, chairman of the municipal CPPCC, du dechang, director of the standin...Read more »
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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 »
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1. Chemical properties: the chemical and electrochemical corrosion resistance of steel is the best, second only to titanium alloy. 2. Physical properties: heat resistance, high temperature resistance, low temperature resistance and even ultra-low temperature resistance. 3, mechanical property, a...Read more »
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Recently, hosted by [I want stainless steel] www.51bxg.com by Shanghai futures exchange, “the 3rd China stainless steel summit 2019″ was held in wuxi, jiangsu province. This industry summit, 35 large-scale stainless steel factories gathered in taihu, about 500 guests including stainl...Read more »
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Recently, director of the standing committee of xiamen municipal people’s congress Chen jiadong and other xiamen national and provincial people’s congress representatives visited fujian hongwang research. Jin min, director of the standing committee of the people’s congress of n...Read more »
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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 »
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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 »
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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 »
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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 »
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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 »
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(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 »
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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 »
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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 »
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Recently, Yang jiang CPPCC chairman qiu zhiyong and Yang jiang former deputy director xie fengxi respectively led a delegation of the CPPCC and a delegation of the municipal people’s congress of about 600 people to visit the construction site of yangjiang hongwang industrial co., LT...Read more »
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Difficulties in precision casting of stainless steel: 1, stainless steel precision casting processing hardening: machining hardening tendency is large, cutting tools in the machining hardening area, so that the service life of the tool shortened. 2, cutting force, high cutting temperature...Read more »
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On November 2, the third quarter 2018 work summary meeting of hongwang group was held in hongwang, shandong province. Group chairman dai zhenghui, President ai dong, vice President zhu jiqiao, dai zehui, liu wei, gao zhize, as well as zhaoqing hongwang, fujian hongwang, shandong hongwang, yangji...Read more »
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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 »
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Stainless steel Brushed Gold No.4 Mirror Finished Normal&Special -Guang dong Hong Wang Stainless steel Company Read more »
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Recently, the third quarter 2019 management meeting of hongwang group was held in crowne plaza poly hotel, hailing island, yangjiang. Group chairman dai zhenghui, vice President zhu jiqiao, dai zehui, liu wei, gao zhiche, liu zushui, as well as the main leaders of zhaoqing hongwang, fujian hongw...Read more »
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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 »
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On October 26, 2019, at 10:08 am, the warm sun was shining and the wind was blowing on the face. Yangjiang hongwang industrial co., LTD was full of friends on the scene and the first phase of production and the new project groundbreaking ceremony was held here. Jiao lansheng, secretary of yangji...Read more »
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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 »
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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 »
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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 »