This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
Stainless Steel 430
Material Type
Metal
Material Name
Stainless Steel 430
Alternative Names
S43000 | 1.4016 | X6Cr17
Process Compatibility
CNC Milling, CNC Turning
introduction
Stainless Steel 430 in CNC Machining
Stainless Steel 430 is a ferritic, non-hardenable grade with good corrosion resistance, ductility, and formability. It is not as corrosion-resistant as austenitic stainless steels (such as 304 and 316), but it is magnetic and has lower thermal expansion.
When machining 430, we use coated carbide tools at recommended speeds and feeds, as well as coolants to overcome its work-hardening nature. Stainless Steel 430 may leave a somewhat rough surface after machining, so we do polishing or grinding for a smooth finish. We do proper chip control to avoid built-up edges and secure workholding to minimize vibrations and ensure precision during CNC machining. We do post-machining operations like passivation to enhance its corrosion resistance.
Stainless Steel 430 typically contains 16-18% chromium, with small amounts of nickel (up to 0.75%), manganese (up to 1.00%), silicon (up to 1.00%), phosphorus (up to 0.040%), sulfur (up to 0.030%), and carbon (up to 0.12%). The remaining composition is mostly iron. Stainless steel 430 is magnetic and exhibits a body-centered cubic crystal structure. It's easy to weld, but it is not ideal for anodizing. It can undergo other post-processing techniques like cold and hot working, as well as annealing.
Properties
Properties Table of Stainless Steel 430
| MECHANICAL PROPERTIES | |
|---|---|
| Ultimate Tensile Strength | 450-500 MPa |
| Yield Strength | 200-280 MPa |
| Young's Modulus(Elasticity) | 200 GPa |
| Elongation at Break | 20-24 % |
| Physical Properties | |
| Corrosion Resistance | Good |
| Magnetism | Magnetic |
| Weldability | Good |
| Thermal Properties | |
| Maximum Service Temperature | 815-870 °C |
| Thermal Expansion Coefficient | 10.4-11.3 x 10^-6/°C |
| Thermal Conductivity | 26.1-26.3 W/(m·°C) |
| Electrical Properties | |
| Electrical Resistivity | 60 μΩ*cm |
TECHNOLOGY OVERVIEW
Basic Knowledge of Stainless Steel 430
What is Stainless Steel 430?
Stainless Steel 430 is a magnetic and corrosion-resistant ferritic stainless steel. It is mainly composed of chromium (16-18%) with additional elements like carbon, manganese, silicon, phosphorus, sulfur, and iron. While it offers good corrosion resistance in mild environments, it is less resistant than austenitic stainless steel.
Stainless Steel 430 is commonly used in applications like automotive trim, kitchen appliances, sinks, and architectural trim due to its cost-effectiveness. It has limited heat resistance and may not be good for high-temperature applications.
Advantages of Stainless Steel 430
Good corrosion resistance in mildly corrosive environments
Adequate heat resistance for elevated temperatures
Cost-effective compared to other stainless steel grades
Easy to form, stamp, and weld, facilitating fabrication
Polished appearance for decorative purposes
Magnetic properties suitable for applications requiring magnetism
Low maintenance due to resistance to corrosion and staining
Versatile applications in industries
Applications of Stainless Steel 430
Automotive Components: Trim and molding elements.
Fasteners: Screws and bolts.
Industrial Equipment: Chemical processing equipment and oil refinery components.
Ductwork and Ventilation Systems: Ducts and ventilation components.
Stove Trim Rings: Trim rings for stove elements.
Heat Exchangers: Certain industrial heat exchangers.
Architectural Applications: Building facades, cladding, and decorative elements.
FAQ
Machining Stainless Steel 430 Buying FAQ
Yes, 430 stainless steel is generally considered safe for cooking. It is a type of ferritic stainless steel that contains chromium, making it resistant to corrosion and rust. However, it is not as corrosion-resistant as other stainless steel grades, so it may not be the best choice for highly corrosive environments like coastal areas.
430 stainless steel tends to have a brushed or satin finish rather than a high-gloss, shiny appearance. It has a matte finish and can vary in brightness depending on the surface treatment applied. If a shiny appearance is desired, other stainless steel grades with a higher nickel content, like 304, are often preferred.
Yes, 430 stainless steel can be used outside, but its resistance to corrosion is not as high as some other stainless steel grades. It may be susceptible to rusting in harsh outdoor environments, especially in areas with high humidity or exposure to corrosive substances. For better corrosion resistance outdoors, 316 is often recommended.
While 430 stainless steel is used in some knife blades, it is not as commonly employed as other grades like 440 or 420 stainless steel. 430 steel is a softer and less durable option than higher-grade stainless steel, which may impact its edge retention and sharpness performance. For high-performance knives, especially those subjected to heavy use, knife manufacturers often prefer harder and more wear-resistant stainless steel alloys.
Other Materials
Stainless Steel 420
Stainless Steel 420 is a type of strong and hard martensitic stainless steel with high durability.
More info about Stainless Steel 420
Stainless Steel 316
Stainless Steel 316, also known as marine-grade stainless steel, is a popular material in CNC machining due to its good mechanical properties
More info about Stainless Steel 316
Stainless Steel 304
Stainless Steel 304 is a commonly used material in CNC machining. It is known for its corrosion resistance and mechanical properties.
More info about Stainless Steel 304
Get An Accurate Quote For Your Next Projects
No matter your project is complicated or simple, no matter is metal or plastic, you will get an accurate quotation within 6 hours.
Get A Quote Today