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430 stainless steel coil – High-Strength Quality from Leading Manufacturer
The 430 stainless steel coil is a ferritic, non-hardenable stainless steel known for its good corrosion resistance, formability, and affordability, making it a popular choice for various applications. Produced by leading manufacturers in China, it’s widely used in automotive trim, kitchen appliances, architectural projects, and more, thanks to its resistance to mild corrosive environments and magnetic properties. Whether sourcing 430 stainless steel coil stock or a 430 hot rolled stainless steel coil, this product delivers reliability and value at a lower cost than austenitic grades like 304.
Price: Contact Us for a Custom Quote
Looking to purchase 430 stainless steel coils? Contact our China manufacturer for a customized quote. Pricing for 430 ss coils, including options like 430 SS coil price, 430 SS coil, and 430 hot rolled stainless steel coil, varies based on thickness, width, and surface finish—contact sales for competitive pricing and bulk order terms from 430 steel coil manufacturers.
Specifications
Here’s a detailed overview of the technical specs:
- Thickness: 0.3mm to 6.0mm (customizable)
- Width: 1000mm, 1219mm, 1500mm, or custom widths up to 2000mm
- Length: Coil (standard outer diameter up to 1500mm) or cut-to-length
- Surface Finish: 2B, BA, No.1, No.4, HL, or 430 ss coil with bright annealed finish (hot rolled or cold rolled options available, e.g., 430 hot rolled stainless steel coil)
- Standard: ASTM A240, JIS G4305, EN 10088-2
- Edge: Slit edge or mill edge
Key Features (Advantages)
- Cost-Effective Corrosion Resistance: Offers excellent resistance to atmospheric corrosion at a lower cost than 304 stainless steel, making 430 ss coil price appealing for budget projects.
- Magnetic Properties: Ferritic structure makes it magnetic, which is ideal for specific industrial uses of 430 ss coils.
- Good Formability: Easy to bend, form, and weld, perfect for shaping 430 ss into components like automotive trim.
- Heat Resistance: It maintains strength and corrosion resistance up to 870°C (intermittent) or 815°C (continuous), suitable for 430 hot-rolled stainless steel coils in heated environments.
- Attractive Finish: Provides a shiny, smooth surface, enhancing decorative applications.
Applications
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- Automotive: Used in trim, accents, and exhaust systems, leveraging the corrosion resistance and formability of 430 ss coil.
- Kitchen Appliances: The 430 SS coil is ideal for sinks, range hoods, oven liners, and dishwasher panels, where its durability and cost-effectiveness shine.
- Architectural Projects: Applied in decorative trim, door frames, window frames, and handrails, benefiting from the aesthetic finish of 430 ss coil stock.
- Industrial Equipment: Employed in liquid and powder storage tanks, heat exchangers, and pumps, using the robustness of 430 ss coil.
- Decorative Uses: Perfect for interior panels and furniture, with 430 hot rolled stainless steel coils for structural and aesthetic applications.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 16.0–18.0 |
| Carbon (C) | ≤0.12 |
| Silicon (Si) | ≤0.75 |
| Manganese (Mn) | ≤1.0 |
| Phosphorus (P) | ≤0.040 |
| Sulfur (S) | ≤0.030 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 450–600 MPa |
| Yield Strength | 205–280 MPa |
| Elongation | 22–30% |
| Hardness (Brinell) | ≤183 HBW |
| Hardness (Rockwell B) | ≤89 HRB |
| Modulus of Elasticity | 200 GPa |
| Impact Strength | Not specified |
Chemical Properties
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- Acids: Excellent resistance to nitric acid and organic acids, but limited in strong acids like sulfuric or hydrochloric, requiring caution in acidic environments.
- Alkalis: Performs well against mild alkaline solutions, but performance may degrade in highly concentrated alkalis.
- Environmental Restrictions: Avoid prolonged exposure to chloride-rich or coastal environments where pitting corrosion can occur, limiting 430 ss coil use unless coated or treated.
Things to Note (Limitations)
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- High Temperatures: Strength and corrosion resistance decrease above 870°C (intermittent) or 815°C (continuous), restricting its use in extreme heat for 430 ss coil.
- Chloride Environments: 430 ss coil is susceptible to pitting and crevice corrosion in chloride-rich settings, such as marine areas, requiring protective measures.
- Lower Toughness: Compared to austenitic grades like 304, it has less ductility and impact resistance, making it less ideal for cryogenic or highly stressed applications.
Corrosion Data
| Environment | Corrosion Rate |
|---|---|
| Atmospheric Corrosion (Rural) | <0.001 mm/year |
| Atmospheric Corrosion (Urban) | <0.002 mm/year |
| Atmospheric Corrosion (Marine) | 0.005–0.015 mm/year |
| Fresh Water | <0.001 mm/year |
| Salt Water | 0.01–0.03 mm/year |
| Mild Organic Acids | <0.003 mm/year |
| Strong Acids | 0.1–1.0 mm/year |
| Alkaline Solutions | <0.001 mm/year |
| Chlorinated Water | 0.01–0.03 mm/year |
| Intergranular Corrosion | Negligible |
Best Welding and Manufacturing Practices
- Welding Methods: For 430 SS coil, use TIG or MIG welding with 430 or 308L filler metals for strong, corrosion-resistant joints. Preheating at 150–200°C and post-weld annealing at 790–815°C may be needed to prevent embrittlement, especially for 430 hot-rolled stainless steel coil.
- Forming Tips: 430 ss coil stock is highly formable due to its ferritic structure. However, to prevent brittleness, avoid excessive cold working. Annealing may be required post-forming.
- Processing Tips: Use sharp tools and lubricate during cutting or punching to maintain the surface quality of 430 ss coil or 430 2B stainless steel finishes.
What Customers Say About
Frequently Asked Questions
Q1: How does 430 stainless steel coil differ from 304 stainless steel coil?
A: It is ferritic, magnetic, and more affordable but has less corrosion resistance than 304, especially in chloride environments. It’s ideal for 430 ss coil in mild corrosive settings, while 304 suits harsher conditions.
Q2: What scenarios is 430 stainless steel coil suitable for?
A: It’s perfect for indoor uses, mild outdoor settings, and industries like automotive or architecture. Avoid high-chloride or high-temperature environments for 430 ss coil to prevent corrosion or degradation.
Q3: What’s the 430 ss coil price?
A: Pricing varies by thickness, finish, and volume. Contact our China manufacturer at sales for a quote on the price or stock options.
Q4: Can 430 ss coil be used outdoors?
A: Yes, but it’s best for mild outdoor conditions. In coastal or chloride-rich areas, use protective coatings or maintenance to prevent corrosion.
Q5: Is 430 hot rolled stainless steel coil weldable?
A: Yes, 430 hot rolled stainless steel coil welds well with TIG or MIG using 430/308L fillers, but preheating and post-weld annealing may be needed to avoid embrittlement applications.