LEUR 304 Acier inoxydable – Fournisseur d'acier en Chine
LEUR 304 est un acier inoxydable austénitique très polyvalent et largement utilisé. Connu pour son excellente résistance à la corrosion, résistance mécanique, et adaptabilité, it is often referred to as 18-8 stainless steel due to its composition of approximately 18% chrome (Cr) et 8% nickel (Dans). This material is extensively employed in industries such as construction, transformation des aliments, and chemicals.
Material Characteristics of SUS 304
- Résistance à la corrosion: LEUR 304 performs exceptionally well against water, acids, and alkalis, making it ideal for corrosive environments.
- Usinabilité: It is easy to cut, form, and weld, making it suitable for various machining processes.
- Résistance aux hautes températures: It remains stable under high temperatures, making it useful for heat exchangers and burner components.
- Low Magnetism: À température ambiante, it is nearly non-magnetic, which is important for electronics and medical devices.
Chemical Composition of SUS 304
- Chrome (Cr): ~18%, enhancing corrosion resistance.
- Nickel (Dans): ~8%, improving corrosion resistance and structural stability.
- Carbone (C): Less than 0.08%, minimizing carbide precipitation during welding.
- Fer (Fe): Base element providing structural stability.
304 Chemical Properties (%)
Mechanical Properties of SUS 304
- Résistance à la traction: 520-600 MPa, providing strong structural support.
- Limite d'élasticité: 205-240 MPa, ensuring resilience under stress.
- Élongation: Sur 40%, indicating excellent ductility.
304 Propriétés mécaniques
| MINIMUM | MAXIMUM | ||
|---|---|---|---|
| Limite d'élasticité (N/mm2) | 0.20% Y.S. | 205 | N/mm2 |
| 1% Y.S. | === | ||
| Résistance à la traction (N/mm2) | 520 | N/mm2 | |
| Élongation % | 40 | === | |
| Essai de dureté | DGRH | === | 90 |
| HT | === | 200 |
Physical Properties of SUS 304
- Densité: ~7.93 g/cm³, balancing strength and weight.
- Conductivité thermique: ~16.3 W/m·K, enabling effective heat transfer.
- Electrical Conductivity: Modéré, making it suitable for electrical applications.
Corrosion Resistance of SUS 304
- Water and Humid Environments: Highly resistant, making it common in construction, équipement de cuisine, and water systems.
- Chemical Environments: Resistant to various chemicals, suitable for tanks, pipelines, and chemical equipment.
- Transformation des aliments: Ensures no impact on food quality or taste, ideal for processing and storage.
- Pharmaceutical Use: Non-contaminating, making it suitable for lab and pharmaceutical equipment.
Applications of SUS 304
- Construction: Used in architectural structures, exterior finishes, and roofing.
- Industrie alimentaire et des boissons: Found in kitchen utensils, équipement de transformation des aliments, and containers.
- Industrie chimique: Ideal for tanks, pipelines, and valves.
- Équipement médical: Common in surgical instruments and laboratory tools.
- Automotive Sector: Used in exhaust systems, drive shafts, et attaches.
- Energy and Environmental Protection: Employed in solar panels, energy systems, and wastewater treatment facilities.
