The Anatomy of
304 Stainless.
304 stainless steel is a versatile austenitic alloy containing approximately 18% chromium and 8% nickel. It possesses excellent corrosion resistance, mechanical properties, and processability. Characterized by high-temperature resistance and ease of cleaning, it is widely used across architectural, medical, and culinary applications.
Key Characteristics
Engineered for versatility, hygiene, and structural reliability.
Corrosion Shield
A dense protective layer of chromium oxide formed on the surface allows it to perform exceptionally well in air, water, and most organic/inorganic acids.
Thermal Endurance
It has strong heat resistance and can be used continuously in various environments, typically performing well at temperatures up to 800–900°C.
Processability
It features excellent plasticity and weldability, making it highly adaptable and easy to perform various cold and hot working processes.
Physical Magnetism
304 is almost non-magnetic in the annealed state. However, it may develop weak magnetic properties after rigorous cold working (such as stamping or bending).
Chemical
Composition
The core of 304 consists of the renowned 18/8 ratio. The dominant addition of Chromium provides its signature oxidation resistance and surface self-healing properties.
Forms a dense, self-healing oxide protective layer
Enhances ductility, toughness, and stability
Strictly controlled to prevent carbide precipitation
Deployment Vectors
Food & Tableware
Kettles, lunch boxes, pots, and utensils. Its food-grade (SUS304) rating makes it the undisputed standard for culinary safety.
Home Decoration
Kitchen sinks, premium countertops, architectural railings, and modern interior decorative materials.
Industrial Sector
Reliable fabrication of chemical storage tanks, fluid pipelines, and large-scale heat exchangers.
Medical Equipment
Medical instruments, hygienic trays, and surgical containers requiring high sanitization tolerance.
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