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Published 06 November 2025
The Differences Between 304 Stainless Steel Plates and 316 Stainless Steel Plates
Stainless steel is widely used in industry and daily life for its corrosion resistance, strength and appearance. 304 and 316 are the most common austenitic stainless steel grades, but they differ significantly in performance and applications. Understanding their differences is key for material selection and cost control. 1. Core Difference: Chemical Composition The key distinction is molybdenum (Mo) content: – 304 (UNS S30400): Known as “18/8” stainless steel (18% Cr, 8% Ni), with little or no molybdenum (Mo ≤ 0.75%). – 316 (UNS S31600): Upgraded from 304, adding 2-3% molybdenum. It also has higher nickel content (10-14%) than 304. Molybdenum is the main reason for 316’s better performance. 2. Corrosion Resistance (Key Distinction) – 304: Performs well in most environments (air, fresh water, food processing, nitric acid). But it’s poor in chloride environments (seawater, salt spray, chlorine disinfectants) — easy to get pitting or cracking. It also resists strong acids (like hydrochloric acid) poorly. – 316: Molybdenum greatly improves chloride corrosion resistance (suitable for seawater, salt spray). It also resists more organic/inorganic acids (acetic acid, dilute sulfuric acid). It works well where 304 does, and protects in harsh environments where 304 fails. 3. Mechanical & Processing Properties – Mechanical properties:...
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Published 29 October 2025
Stainless Steel: The Core Force Behind Green Applications Across Multiple Sectors
In today’s world where the concept of green development is deeply integrated into society, the environmental friendliness and recyclability of materials are no longer additional requirements, but basic standards ranging from daily necessities to major projects. Endowed with unique alloy advantages, stainless steel not only meets performance needs in different scenarios, but also achieves efficient resource circulation through its “full-lifecycle green” characteristics. From small stainless steel tableware in the kitchen that remains clean even after years of use, to large-scale subway facilities in cities that can be recycled and reborn after decommissioning, stainless steel has become a crucial material supporting sustainable development. Construction Sector: The Triple Alignment of Aesthetics, Durability, and Environmental Protection – Petronas Towers, Kuala Lumpur**: As a world-renowned landmark, the stainless steel materials used on its exterior facade not only give the building a highly recognizable metallic texture, but also cope with the tropical rainy climate with excellent corrosion resistance. Data shows that the maintenance cycle of the stainless steel components used in the building is more than 3 times longer than that of traditional metal materials, reducing maintenance energy consumption and waste generation by approximately 20% annually. Meanwhile, all these stainless steel materials can be 100%...
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Published 24 October 2025
Causes Analysis on Cracking Tendency of 304 Stainless Steel Plates Post-Processing
In modern industrial manufacturing, 304 stainless steel plates are widely used in food equipment, chemical containers, architectural decoration, medical devices, home appliance manufacturing and other fields due to their excellent corrosion resistance, good processability and high cost-performance ratio. However, in actual production, many customers have reported: why do the 304 stainless steel plates we purchased crack after processing such as bending, stamping, welding or deep drawing? This not only affects product quality, but also increases production costs and delivery cycles. So, is the cracking of 304 stainless steel plates after processing really a problem with the material itself? Or is it caused by improper processing technology or operation? This article will deeply analyze the real reasons for the cracking of 304 stainless steel plates after processing from multiple dimensions such as material characteristics, processing methods and environmental factors, and provide practical prevention and solutions. 1. Material Characteristics and Limitations of 304 Stainless Steel First, we must clarify: 304 stainless steel (i.e., 06Cr19Ni10) is an austenitic stainless steel, whose main components are 18% chromium and 8% nickel, with good toughness and ductility. Under standard conditions, the elongation of 304 stainless steel can reach more than 40%, which theoretically has excellent cold...
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Published 15 October 2025
Surface Finishing for 304 Stainless Steel Plates
1.Overview of Surface Finishing for 304 Stainless Steel Plates Due to its excellent corrosion resistance, good formability, and weldability, 304 stainless steel is widely used in architectural decoration, food equipment, medical devices, chemical containers, home appliance manufacturing, and other fields. However, the surface of 304 stainless steel plates in their as-delivered state is usually relatively rough or covered with oxide scale, which cannot directly meet the requirements of most applications. Therefore, different surface finishing processes can be used to give the plates specific gloss, texture, flatness, and cleanliness, allowing them to adapt to different functional and aesthetic needs. Common surface finishing methods for 304 stainless steel plates include 2B finish, BA finish (Bright Annealed), brushed finish (sanded finish), 8K mirror finish, sandblasted finish, and etched finish. Each type of surface has its unique formation process and performance characteristics. 2.Detailed Explanation of Mainstream 304 Stainless Steel Plate Surface Types 2.1 2B Finish: The Most Common and Economical Practical Choice The 2B finish is one of the most widely used surfaces for 304 stainless steel plates in the market. Its processing flow is as follows: hot rolling → pickling → cold rolling → bright annealing → leveling → passivation treatment. The final...
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