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Published 04 September 2025
How to judge the authenticity and quality of 316 stainless steel plates?
In fields such as modern industrial manufacturing, architectural decoration, food processing, medical equipment, and marine engineering, 316 stainless steel plates are widely used due to their excellent corrosion resistance, good mechanical properties, and stable chemical properties. However, with the continuous growth of market demand, a large number of shoddy and counterfeit “316 stainless steel plates” (which pass off inferior goods as high-quality ones) have emerged in the market. These products not only fail to meet actual application requirements but also may pose safety hazards and cause economic losses. Therefore, mastering methods to judge the authenticity and quality of 316 stainless steel plates is crucial for purchasers, engineering entities, and end-users. This article will systematically introduce how to scientifically and accurately identify the authenticity and quality of 316 stainless steel plates from multiple dimensions, including material composition, surface characteristics, physical properties, testing methods, and supplier qualifications. 1. Understand the Basic Composition Characteristics of 316 Stainless Steel 316 stainless steel belongs to **austenitic stainless steel**, and its core feature is the addition of 2% – 3% molybdenum (Mo), which significantly enhances the material’s resistance to pitting and crevice corrosion in chloride environments. Its typical chemical composition is as follows: – Chromium (Cr):...
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Published 30 August 2025
How to choose the surface treatments for 304 stainless steel plates: brushed, mirror, and sandblasted?
In modern fields such as architectural decoration, industrial manufacturing, household articles, and public facilities, 304 stainless steel plates are extensively applied owing to their outstanding corrosion resistance, favorable mechanical properties, high strength, and elegant appearance. Nevertheless, while 304 stainless steel plates without surface treatment possess basic performance, they feature a monotonous surface texture, are prone to fingerprint and scratch retention, and may undermine the overall visual effect in specific environments. Consequently, conducting appropriate surface treatment on 304 stainless steel plates is of great significance. Common surface treatment processes include brushing, mirror finishing, and sandblasting, which not only enhance the aesthetic appeal of stainless steel plates but also improve their functionality. Then, in practical applications, which surface treatment method is more suitable? And how should the selection be made based on specific requirements? HUA STEEL will conduct a detailed analysis from the perspectives of process principles, visual effects, applicable scenarios, maintenance, and other aspects to assist readers in making more rational decisions. 1. Overview of Surface Treatment Processes for 304 Stainless Steel Plates 1.1 Brushed Finish (Hairline Finish) Brushed finish is achieved by forming continuous and uniform fine lines on the stainless steel surface through mechanical means, typically via grinding along...
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Published 22 August 2025
Why can 316L stainless steel withstand extreme corrosion in marine engineering?
In harsh marine environments, corrosion of metallic materials has long been a significant challenge for the engineering community. High salinity, high humidity, intense ultraviolet radiation, and complex marine microbial activity collectively form an extremely destructive corrosive environment. However, among numerous metallic materials, 316L stainless steel, with its exceptional corrosion resistance, has become an indispensable key material in marine engineering. From offshore oil platforms and shipbuilding to seawater desalination equipment and structural components of cross-sea bridges, 316L stainless steel is ubiquitous. So, what endows 316L stainless steel with such strong corrosion resistance? Why can it “stand alone” in marine engineering? This article will delve into the underlying scientific principles and engineering advantages. I. Chemical Composition and Microstructure of 316L Stainless Steel To understand the corrosion resistance of 316L stainless steel, we must first examine its unique chemical composition. 316L is an austenitic stainless steel and a low-carbon variant of 316 stainless steel, where “L” stands for “Low Carbon”—its carbon content is typically controlled below 0.03%. This design is crucial because low carbon effectively prevents the precipitation of carbides during welding, thereby avoiding intergranular corrosion. The main alloying elements of 316L stainless steel include: Chromium (Cr): Content is approximately 16-18%, a key...
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Published 14 August 2025
Why is 304 stainless steel widely chosen by food processing plants?
In today’s food processing industry, ensuring food safety and hygiene is paramount. To achieve this, food processing facilities must consider multiple factors when selecting materials, including but not limited to corrosion resistance, ease of cleaning and maintenance, durability, and compliance with relevant regulations. Among these options, 304 stainless steel stands out as one of the most popular choices in the food processing sector due to its exceptional properties. 1. Excellent corrosion resistance and chemical stability 304 stainless steel is an austenitic stainless steel containing approximately 18% chromium and 8% nickel. This composition endows it with outstanding corrosion resistance, allowing it to be used long-term in moist or even salty environments without easily rusting or eroding. For food processing environments—where equipment frequently comes into contact with moisture, oils, and various condiments—304 stainless steel proves ideal, as it effectively prevents product contamination caused by corrosion. 2. Easy to clean and disinfect Food processing demands extremely high standards for surface cleanliness; any residues or microorganisms could compromise the quality of final products. 304 stainless steel features a smooth surface that is less prone to accumulating dirt and bacteria. Additionally, its material properties allow it to withstand high-temperature cleaning and disinfection processes without damage....
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