430 Stainless Steel
430 stainless steel is a highly versatile and commonly used material that is well-known for its strength, durability, and resistance to corrosion. This type of stainless steel is often used in a wide range of industries, including automotive manufacturing, construction, and food processing.
Despite being less expensive than other types of stainless steel, 430 stainless steel still provides excellent resistance to rust and corrosion thanks to the chromium content in its composition. It is also easy to machine and fabricate, making it a popular choice for manufacturing processes that require precision and high-quality finishes.
One of the benefits of using 430 stainless steel is its low maintenance requirements, which make it a cost-effective option in the long term. Its high durability means that it can withstand harsh environments and repeated use without showing signs of wear and tear, making it a reliable choice for commercial and industrial applications.
In addition to its practical benefits, 430 stainless steel has an attractive and modern appearance that is sleek and contemporary. Its unique aesthetic properties also make it an ideal choice for decorative and artistic applications.
- Chemical composition: usually contains ferrochrome alloy, in which the content of chromium is 16-18%, the content of iron is about 80% or higher, and also contains a small amount of nickel, phosphorus and sulfur and other elements.
- Physical properties: good corrosion resistance and high temperature resistance, and can be used to manufacture water heaters, pipelines and chemical equipment.
- Features: high hardness, strong toughness and good wear resistance, high surface smoothness, easy to clean and maintain.
- Application: can be used to manufacture kitchen utensils, rice cookers, kettles, medical equipment, etc.
Chemical Composition
| Element | Type 430 |
| Carbon | 0.12 Max |
| Manganese | 1.0 Max |
| Sulfur | 0.030 Max |
| Phosphorus | 0.040 Max |
| Silicon | 1.0 Max |
| Chromium | 16.0-18.0 |
| Nickel | 0.75 Max |
Mechanical Properties
| Tensile Strength | Yield Strength | Elongation (2") | Rockwell Hardness |
| 75,000 | 50,000 | 25% | 85 |
| Corrosion Resistance | Good resistance to wide variety of corrosive media including nitric acid and some organic acids. It attains its maximum corrosion resistance in the highly polished or buffed condition. |
| Heat Resistance | Good resistance to scaling in intermittent service tol 600°F and in continuous service to 1500°F. 430 grades may become brittle at room temperature after prolonged heating in the 750°F – 1100°F range. This can be eliminated by annealing. |
| Heat Treatment | Annealing – Heat to 1500°F – 1550°F, hold for 30 minutes per inch of thickness, slow furnace cool to 1100°F then quickly air cool. 430 grades cannot be hardened by thermal treatment |
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