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Topson Group Provides Quality Stainless Steel Decorative Sheets Gobally.

The angled part of the stainless steel plate is deformed and has strong magnetic properties

Why are stainless steel plates also magnetic? People often use magnets to attract stainless steel plates to verify their pros and cons and their authenticity. If they do not attract magnetism, they think they are good and genuine; those who attract magnets are considered counterfeit. In fact, this is a very one-sided, unrealistic and wrong identification method. There are many kinds of stainless steel plates, which can be divided into several categories according to the organizational structure at room temperature: 1. Austenite type: such as 304, 321, 316, 310, etc.; 2. Martensite or ferrite type: such as 430, 420, 410, etc.; austenite type is non-magnetic or weak magnetic, and martensite or ferrite is magnetic. Most of the stainless steel plates usually used as decorative tube sheets are austenitic 304 materials. Generally speaking, they are non-magnetic or weakly magnetic, but they may also appear magnetic due to fluctuations in chemical composition or different processing conditions caused by smelting, but this cannot be considered Is it fake or substandard, what is the reason? As mentioned above, austenite is non-magnetic or weakly magnetic, while martensite or ferrite is magnetic. Due to component segregation or improper heat treatment during smelting, a small amount of martensite or iron in austenitic 304 stainless steel will be caused. Body tissue. In this way, the 304 stainless steel plate will have weak magnetism. In addition, after cold working of 304 stainless steel, the microstructure will also be transformed to martensite. The greater the cold working deformation, the more martensite transformation, and the greater the magnetic properties of the steel. Like a batch of steel strips, Φ76 tubes are produced without obvious magnetic induction, and Φ9.5 tubes are produced. The magnetic induction is more obvious due to the large deformation of the bending and bending. The deformation of the square rectangular tube is larger than that of the round tube, especially the corner part, the deformation is more intense and the magnetic force is more obvious. In order to completely eliminate the magnetic properties of 304 steel caused by the above reasons, the stable austenite structure can be restored by high-temperature solution treatment, thereby eliminating the magnetic properties. In particular, the magnetism of 304 stainless steel plate caused by the above reasons is completely different from that of other materials such as 430 and carbon steel, which means that the magnetism of 304 steel always shows weak magnetic. This tells us that if the stainless steel plate is weakly magnetic or not magnetic at all, it should be judged as 304 or 316 material; if it is the same as carbon steel, it shows strong magnetism, because it is judged as not 304 material.

Foshan Topson Stainless Steel Co., Ltd. thinks that that firms can avoid the artificial choice between quantitative and qualitative risk management, allowing both to play important roles in surfacing and assessing risks.

Foshan Topson Stainless Steel Co., Ltd. is one of China's biggest providers in the following categories of products: architectural metalwork, architectural metal fabrication, architectural metal fabrication,etc. We also welcome ODM and OEM orders, and offer the highest standards of service, the cheapest deals, and the best buying experience. Get to know us at Topson Stainless Steel Decorative Sheets&Metal Fabrication Works.

While manufacturing architectural metalwork, we always pay attention to the technology and quality of the product.

Foshan Topson Stainless Steel Co., Ltd.’s mission is to provide you with an outstanding member/Customer benefit that helps you meet your organization’s objectives.

Through our distribution and marketing competencies, Foshan Topson Stainless Steel Co., Ltd. provides creative, customized, solutions for our customers. As a result, we achieve superior profit growth as the architectural metalwork company of choice.

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Our decorative stainless steel sheets are mainly exported to southeast Asia, Mid East, and South America market. Until 2024, our products have been well recognized and trusted by many overseas customers.

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