Acero inoxidable 304
Tipo de material
Metal
Nombre del material
Acero inoxidable 304
Nombres alternativos
1.4301 | X5CrNi18-10 | S30400
Compatibilidad de procesos
Fresado CNC, Torneado CNC
Acero inoxidable 304 en Mecanizado CNC
El acero inoxidable 304 es un material muy utilizado en el mecanizado CNC. Es conocido por su resistencia a la corrosión y sus propiedades mecánicas.
Choosing sharp carbide tools for milling and incorporating cobalt-based or carbide end mills is important when working with this stainless steel grade. Lower cutting speeds and moderate feed rates help prevent overheating and tool wear. Coolants and lubricants aid in dissipating heat and improving tool life. Employing climb milling, proper workpiece securing, and effective chip control contribute to a smooth machining process. Post-machining, consider annealing for applications where work-hardening may occur. Attention to tolerances and surface finish is also important, and regular tool wear monitoring ensures continued quality and efficiency.
The chemical composition of Type 304 stainless steel, as per ASTM A276/A276M standard, is specified by certain percentage values. The composition includes a maximum of 0.08% carbon (C), 1.00% silicon (Si), 2.00% manganese (Mn), 0.045% phosphorus (P), and 0.030% sulfur (S). It also contains 18.0-20.0% chromium (Cr) and 8.0-11.0% nickel (Ni). This composition defines the material properties and characteristics of Type 304 stainless steel. It finds wide applications in both household and industrial settings. It is commonly used in food handling and processing equipment, machinery parts, screws, utensils, and exhaust manifolds. It is also used for exterior accents like water and fire features in architectural projects.
Tabla de propiedades of Stainless Steel 304
| PROPIEDADES MECÁNICAS | |
|---|---|
| Resistencia a la tracción | 520-600 MPa |
| Límite elástico | 210-250 MPa |
| Módulo de Young (elasticidad) | 191-205 GPa |
| Alargamiento a la rotura | 43-45% |
| Propiedades físicas | |
| Resistencia a la corrosión | Bien |
| Magnetismo | No |
| Resistencia UV | Excelente |
| Soldabilidad | Excelente |
| Propiedades térmicas | |
| Temperatura máxima de servicio | 750-925°C |
| Coeficiente de dilatación térmica | 10.3-12 x 10^-6/°C |
| Conductividad térmica | 29.3-31.7 W/(m·°C) |
| Propiedades eléctricas | |
| Resistividad eléctrica | 65-70 μΩ*cm |
Conocimientos básicos of Stainless Steel 304
What is Stainless Steel 304?
Stainless steel 304 is a widely used type of stainless steel with a composition that includes 18-20% chromium and 8-10.5% nickel. As an austenitic stainless steel, it lacks magnetic properties and exhibits lower electrical and thermal conductivity than carbon steel.
Known for its high corrosion resistance, it is easily molded into various shapes. Developed by W. H. Hatfield in 1924 and initially marketed as "Staybrite 18/8," this steel is part of SAE International's steel grades. It goes by various names and designations, such as 4301-304-00-I, X5CrNi18-9, UNS S30400, A2 stainless steel, 18/8, 18/10 stainless steel, SUS304, 1.4301, 06Cr19Ni10, and ISC S30408, depending on international standards and specifications.
Advantages of Stainless Steel 304
Excellent corrosion resistance in various environments
High-temperature resistance without loss of mechanical properties
Easy fabrication, welding, machining, and forming
Hygienic properties, easy to clean and maintain
Aesthetic appeal for architectural and decorative applications
Versatile use in kitchen equipment, appliances, automotive parts, chemical processing, etc.
Non-magnetic in its annealed state
Cost-effective with a good balance between performance and cost
Applications of Stainless Steel 304
Building facades, handrails, decorative elements
Kitchen appliances, sinks, cookware, utensils, and cutlery
Chemical processing equipment and pharmaceutical vessels
Automotive parts, exhaust systems, mufflers, trim
Processing equipment, storage tanks, piping systems
Valves and fittings
Surgical instruments, trays, medical implants
Aircraft components, aerospace components
Dyeing machines, containers
Machining Stainless Steel 304 Preguntas frecuentes
Otros Materiales
Acero inoxidable 316
El acero inoxidable 316, también conocido como acero inoxidable marino, es un material popular en el mecanizado CNC debido a sus buenas propiedades mecánicas.
Acero inoxidable 304L
El acero inoxidable 304L es una aleación de acero inoxidable ampliamente utilizada y conocida por su resistencia a la corrosión, conformabilidad y soldabilidad.
Acero inoxidable 17-4 PH
El acero inoxidable 17-4 PH es una aleación resistente y duradera que puede endurecerse mediante el envejecimiento a diferentes temperaturas.
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