CỦA HỌ 304 thép không gỉ – Nhà cung cấp thép Trung Quốc
CỦA HỌ 304 is a highly versatile and widely used austenitic stainless steel. Known for its excellent corrosion resistance, sức mạnh cơ học, and adaptability, it is often referred to as 18-8 stainless steel due to its composition of approximately 18% crom (Cr) Và 8% niken (TRONG). This material is extensively employed in industries such as construction, chế biến thực phẩm, and chemicals.
Material Characteristics of SUS 304
- Chống ăn mòn: CỦA HỌ 304 performs exceptionally well against water, axit, and alkalis, making it ideal for corrosive environments.
- Khả năng gia công: It is easy to cut, hình thức, and weld, making it suitable for various machining processes.
- Chịu nhiệt độ cao: It remains stable under high temperatures, making it useful for heat exchangers and burner components.
- Low Magnetism: Ở nhiệt độ phòng, it is nearly non-magnetic, which is important for electronics and medical devices.
Chemical Composition of SUS 304
- crom (Cr): ~18%, enhancing corrosion resistance.
- Niken (TRONG): ~8%, improving corrosion resistance and structural stability.
- Cacbon (C): Less than 0.08%, minimizing carbide precipitation during welding.
- Sắt (Fe): Base element providing structural stability.
304 Chemical Properties (%)
Mechanical Properties of SUS 304
- Độ bền kéo: 520-600 MPa, providing strong structural support.
- Sức mạnh năng suất: 205-240 MPa, ensuring resilience under stress.
- Độ giãn dài: Qua 40%, indicating excellent ductility.
304 Tính chất cơ học
| PHÚT | TỐI ĐA | ||
|---|---|---|---|
| Sức mạnh năng suất (N/mm2) | 0.20% Y.S. | 205 | N/mm2 |
| 1% Y.S. | === | ||
| Độ bền kéo (N/mm2) | 520 | N/mm2 | |
| Độ giãn dài % | 40 | === | |
| Kiểm tra độ cứng | HRB | === | 90 |
| HV | === | 200 |
Physical Properties of SUS 304
- Tỉ trọng: ~7,93 g/cm³, balancing strength and weight.
- Thermal Conductivity: ~16.3 W/m·K, enabling effective heat transfer.
- Electrical Conductivity: Vừa phải, making it suitable for electrical applications.
Corrosion Resistance of SUS 304
- Water and Humid Environments: Highly resistant, making it common in construction, thiết bị nhà bếp, and water systems.
- Chemical Environments: Resistant to various chemicals, suitable for tanks, pipelines, and chemical equipment.
- Chế biến thực phẩm: 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
- Sự thi công: Used in architectural structures, exterior finishes, and roofing.
- Công nghiệp thực phẩm và đồ uống: Found in kitchen utensils, thiết bị chế biến thực phẩm, and containers.
- Công nghiệp hóa chất: Ideal for tanks, pipelines, and valves.
- Medical Equipment: Common in surgical instruments and laboratory tools.
- Automotive Sector: Used in exhaust systems, drive shafts, and fasteners.
- Energy and Environmental Protection: Employed in solar panels, energy systems, and wastewater treatment facilities.
