After the welding process of the stainless steel plate, the weld seam sometimes shows a certain color, which may indicate that the weld seam effect is not good. But the reasons for this also depend on the influence of the material, industry and application.

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Duplex stainless steel composite panels have been more and more used in petroleum, chemical, light industry and other industries to replace pure Stainless steel plate. It can not only save a large amount of expensive metals Cr and Ni, but also greatly reduce the manufacturing cost.

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There are usually three basic rolling surface treatments for stainless steel plates and strips, which are represented by the production process of the plates and strips. The following are the specific introductions.

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Common stainless steel plate specifications are: 1*2m, 1.5*3m, 4*8in (1220*2440MM), 1220*3048MM, 1.5*6m.

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According to different processing methods, there are mainly dipping methods, paste methods, brushing methods, spray methods, circulation methods, electrochemical methods and other methods for pickling and passivation of stainless steel plates.

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In the field of stainless steel application, various surfaces are different due to different processing techniques, and the surface of stainless steel plate recognized by the market must have unique advantages in practical applications. After the corresponding stainless steel material is used for a long time, in order to keep the surface still able to play its due role, it is necessary for polishing and renovation. Let's talk about the polishing method.

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304 stainless steel and 321 stainless steel are both austenitic stainless steel, but what is the difference between them

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Stainless steel 2B plate refers to a stainless steel plate with a surface state of 2B. The surface of 2B plate is "after cold rolling, heat treatment, pickling or other treatment, and then cold rolling to make the surface have an appropriate brightness"

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316L, 316H, 316Ti, 316Nb, 316N, 316LN, 316J1, etc. are all derivatives of 316 stainless steel

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At the beginning of rolling and producing stainless steel strips, the problems often encountered are relatively high rolling temperature, small temperature range during rolling, and high temperature deformation resistance of materials.

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Gas welding involves the use of a gas torch to heat a metal workpiece such as stainless steel sheet and filler material to form a weld. The gas is usually a mixture of fuel gas and oxygen to create a clean, hot flame. Many different gases can be used as fuel for the gaseous fuel and no electricity is required to power the welding system, resulting in a flexible and portable fabrication method. All gas welding techniques require proper safety equipment for welding and storing welding gases.

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Metal hardening is the process of making metals such as stainless steel plates stronger. For example, metals such as stainless steel plates used in daily life can be better resistant to wear after hardening. There are different types of metal hardening processes like heat treatment etc. Which method to use depends on the type of metal that will undergo the process and its level of hardness.

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During the welding process of the stainless steel plate, the surface damage will be caused by the grinding and machining of the welding, and the pollution of foreign objects will easily corrode the stainless steel pipe, which greatly reduces the corrosion resistance of the stainless steel product.

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The selection of stainless steel plates should consider the operating conditions, such as manual operation or automatic operation, the performance and type of the hot press, and the quality requirements for the pressed material such as hardness and gloss. Economic calculations should also be considered. Each time a newly polished steel plate is required to be able to produce a lower quality decorative plate.

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When the stainless steel plate is used or maintained improperly, floating rust or yellow spots will appear on the surface of the product. Therefore, the following precautions should be understood when using stainless steel plates

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