504 Stainless Steel Plate: High-Temperature Oxidation Resistance and Durability for Demanding Applications
Meta Description: Explore high-performance 504 stainless steel plate for superior oxidation resistance. Ideal for heat shields, furnace linings, and more. Competitive pricing & fast global delivery.
Introduction
The 504 stainless steel plate is a high-performance material designed for demanding applications that require superior oxidation and scaling resistance. With its exceptional resistance to high temperatures up to 980–1000 °C, this ferritic stainless steel is an ideal choice for industries such as heat treatment, furnace manufacturing, and petrochemical refineries. Unlike austenitic grades like 310 and 309, 504 stainless steel offers a cost-effective alternative while maintaining high-performance properties in extreme environments.
The 504 stainless steel plate is engineered to withstand extreme thermal fatigue, making it perfect for industries that require materials to perform under severe temperature fluctuations. Its unique composition, primarily based on chromium (Cr), enables outstanding resistance to oxidation and scaling, ensuring longevity and performance over time.
When compared to other grades like 502, 501, 410, and 430, 504 stainless steel outperforms them in key areas such as oxidation resistance, thermal fatigue resistance, and cost-effectiveness. As a fully ferritic stainless steel, 504 offers non-hardenability, which contributes to excellent weldability with appropriate filler materials.
For those seeking a reliable and cost-efficient solution, 504 stainless steel plate is a highly versatile option, combining affordability with exceptional high-temperature durability. Whether for industrial furnaces, heat shields, or exhaust systems, 504 stainless steel is engineered to meet the demands of high-temperature environments.
Product Overview & Key Advantages
- Outstanding Oxidation Resistance: 504 stainless steel excels in resisting high-temperature oxidation, offering protection up to 1000 °C, ideal for furnace linings and heat shields.
- High Thermal Fatigue Resistance: Designed to withstand thermal cycling, making it perfect for industries dealing with extreme temperature changes.
- Cost-Effective Alternative: Compared to austenitic grades like 310 and 309, 504 stainless steel provides a more affordable solution without sacrificing performance.
- Ferritic Structure: The fully ferritic structure offers excellent corrosion resistance, especially in high-temperature environments, without the risk of work-hardening.
- Excellent Weldability: Despite its high strength, 504 stainless steel is weldable using appropriate filler materials, making it versatile for various fabrication processes.
- Non-Hardenable: Unlike many austenitic alloys, 504 stainless steel does not become hard, which is beneficial for applications that require formability and ductility.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 4.5–6.0 |
| Carbon (C) | ≤ 0.03 |
| Molybdenum (Mo) | 0.5–1.0 |
| Nickel (Ni) | ≤ 0.5 |
| Iron (Fe) | Balance |
| Niobium (Nb) | ≤ 0.1 |
Notes: The high chromium content contributes to excellent oxidation resistance, while the small amounts of molybdenum and niobium provide stabilization, further enhancing the material’s high-temperature performance.
Mechanical Properties
| Property | Value at Room Temperature | Value at 600 °C | Value at 800 °C | Value at 900 °C |
|---|---|---|---|---|
| Yield Strength (MPa) | 250 | 220 | 200 | 190 |
| Ultimate Tensile Strength (MPa) | 520 | 480 | 450 | 430 |
| Elongation (%) | 20 | 15 | 12 | 10 |
| Hardness (HRB) | 85 | 70 | 60 | 55 |
Physical Properties & Oxidation Resistance
| Property | Value |
|---|---|
| Thermal Conductivity (W/m·K) | 24 |
| Coefficient of Thermal Expansion (μm/m·K) | 10.0 × 10⁻⁶ |
| Density (g/cm³) | 7.7 |
| Magnetic | Yes |
| Scaling Resistance | Up to 1000°C |
504 stainless steel's oxidation resistance is one of its standout features. With a maximum continuous service temperature of 1000 °C, it is designed for prolonged exposure in high-temperature environments. The material is magnetic, a typical characteristic of ferritic stainless steels.
504 vs 502 vs 410 vs 430 vs 304 vs 310 Plate Comparison
| Property | 504 Stainless Steel | 502 Stainless Steel | 410 Stainless Steel | 430 Stainless Steel | 304 Stainless Steel | 310 Stainless Steel |
|---|---|---|---|---|---|---|
| Max Service Temperature (°C) | 1000 | 980 | 800 | 870 | 870 | 1150 |
| Oxidation Resistance | Excellent | Good | Fair | Good | Excellent | Excellent |
| Cost | Low | Medium | Medium | Medium | High | High |
| Weldability | Excellent | Good | Fair | Good | Excellent | Good |
| Formability | Good | Good | Fair | Fair | Excellent | Good |
Available Specifications
| Thickness (mm) | Width (mm) | Length (mm) | Finish Options |
|---|---|---|---|
| 3–100 | 1000–3000 | Up to 12000 | No.1 Hot-Rolled, Pickled, 2B, Polished, Brushed |
504 stainless steel plates are available in a variety of finishes, including No.1 hot-rolled, 2B, and polished finishes, providing flexibility for different industrial applications.
High-Temperature Performance Guide
504 stainless steel is ideal for continuous and intermittent high-temperature service. Its oxidation resistance allows it to perform reliably in environments with sustained temperatures up to 1000 °C. For applications requiring cyclic thermal exposure, 504 stainless steel shows excellent thermal fatigue resistance. Stress-relief treatments and appropriate annealing are recommended after welding to maintain optimal performance in high-temperature environments.
Major Applications
504 stainless steel plates are commonly used in industries where high-temperature stability and oxidation resistance are crucial. Typical applications include:
- Furnace linings
- Heat shields
- Boiler baffles
- Kiln components
- Annealing boxes
- Recuperators
- Exhaust systems
- Petrochemical heater tubes
- Glass molds
- Thermal processing trays
- Incinerator parts
- High-temperature ducting
Why We Are the Best 504 Stainless Steel Plate Distributor
We pride ourselves on being one of the best 504 stainless steel plate distributors globally. Our key advantages include:
- Large Ready Stock: We maintain an extensive inventory of thick 504 stainless steel plates, ensuring fast delivery.
- Direct Mill Relationships: Our close relationships with mills enable us to offer competitive prices and expedited lead times.
- Quality Assurance: All our products undergo ultrasonic testing and PMI testing for quality assurance, ensuring that every plate meets the highest standards.
- Precision Cutting & Beveling: We offer precision cutting, beveling, and custom fabrication services to meet your specific requirements.
- Full EN 10204 3.1/3.2 Certificates: We provide full certification for all products, ensuring transparency and compliance with international standards.
- Global Delivery: Fast and reliable global shipping ensures that you receive your order on time, no matter where you are located.
FAQ Section
1. What is the maximum continuous service temperature of 504 stainless steel plate?
504 stainless steel can be used continuously at temperatures up to 1000 °C.
2. Is 504 stainless steel plate magnetic?
Yes, 504 stainless steel is magnetic due to its ferritic structure.
3. How does 504 compare to 502 or 410 stainless steel?
504 stainless steel offers superior oxidation resistance and cost-effectiveness compared to both 502 and 410, making it an ideal choice for high-temperature applications.
4. Can 504 stainless steel plate be welded, and what filler should be used?
Yes, 504 can be welded with appropriate filler materials such as 309L or 310L, ensuring excellent weldability.
5. Does 504 plate suffer from sigma-phase embrittlement?
No, 504 stainless steel does not suffer from sigma-phase embrittlement, making it more reliable in high-temperature environments.
6. What is the recommended heat treatment for 504 stainless steel plate?
The recommended heat treatment involves annealing at temperatures between 750-800 °C, followed by cooling in air.
7. What is the minimum order quantity for 504 stainless steel plate?
Our minimum order quantity for 504 stainless steel plate is 500 kg.
8. What is the lead time for No.1 finish 504 stainless steel plate?
Lead times for No.1 finish 504 stainless steel plate are typically 7-10 business days, depending on order size and specifications.
9. Is 504 stainless steel plate suitable for cyclic high-temperature service?
Yes, 504 stainless steel is ideal for cyclic high-temperature service due to its excellent thermal fatigue resistance.
Conclusion + Urgent Call-to-Action
If you are looking for the best 504 stainless steel plate supplier, look no further. With our extensive stock, competitive pricing, and quick delivery, we are your trusted partner for all your high-temperature stainless steel needs. Request a quote today and experience the reliability and performance of 504 stainless steel.
For immediate assistance, contact us via WhatsApp, email, or phone, and our expert team will provide a 24-hour response to your inquiry.