2507 Super Duplex Stainless Steel Plate (UNS S32750) is a high-performance alloy designed for extreme pressure and high-chloride environments, and is a premium material with significant cost-effectiveness advantages. The 4×8 size (1219 × 2438 mm) is one of the most common plate specifications due to its good processing compatibility, high material utilization, and minimal cutting waste worldwide.
4×8 2507 Super Stainless Steel Plate Price (Reference)
⚠️ Prices fluctuate with alloy surcharges and market conditions. Data below is for industry reference only.
| Thickness | Indicative Price (USD/MT) |
|---|---|
| 3–6 mm | 4,800 – 5,800 |
| 8–12 mm | 5,000 – 6,200 |
| 16–25 mm | 5,300 – 6,800 |
| ≥30 mm | 5,800 – 7,500 |
Although the price per ton is higher, many projects achieve 10–30% total cost savings by reducing plate thickness due to the high strength of 2507.
What is 4×8 2507 Super Stainless Steel Plate?
4×8 2507 super stainless steel plate is a solution-annealed super duplex stainless steel plate supplied in standard sheet sizes. It features a duplex microstructure (approximately 50% ferrite / 50% austenite) with excellent pitting corrosion resistance, a PREN value ≥ 40, and a yield strength ≥ 550 MPa, which is almost double that of 316L stainless steel. These characteristics allow designers to reduce plate thickness, thus offsetting the higher initial material cost.
4×8 2507 Super Stainless Steel Plate Specifications
| Item | Specification |
|---|---|
| Material Grade | Super Duplex Stainless Steel 2507 |
| UNS No. | S32750 |
| Standard | ASTM A240 / ASME SA240 |
| Plate Size | 4×8 ft (1219 × 2438 mm) |
| Thickness Range | 3 – 50 mm |
| Surface Finish | 2B / No.1 / Pickled |
| Heat Treatment | Solution Annealed |
| Delivery Condition | Water Quenched |
| Certification | EN 10204 3.1, PMI, SGS/BV |
Chemical Composition of 2507 Super Duplex Stainless Steel (wt.%)
| Element | Content |
|---|---|
| Chromium (Cr) | 24.0 – 26.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Molybdenum (Mo) | 3.0 – 5.0 |
| Nitrogen (N) | 0.24 – 0.32 |
| Carbon (C) | ≤ 0.03 |
| Iron (Fe) | Balance |
Mechanical Properties (Typical)
| Property | Value |
|---|---|
| Yield Strength (0.2%) | ≥ 550 MPa |
| Tensile Strength | ≥ 800 MPa |
| Elongation | ≥ 25% |
| Hardness | ≤ 310 HB |
| Impact Toughness | Excellent at room temperature |
Applications of 4×8 2507 Stainless Steel Plate
Offshore platforms and subsea structures
Desalination and seawater systems
Heat exchangers and pressure vessels
Chemical processing and fertilizer equipment
Marine construction and shipbuilding components
GNEE is a professional Chinese stainless steel manufacturer and supplier. We offer 2205 and 2507 series products with ample stock. We guarantee 100% product quality, a stable supply chain, and fast delivery. Our prices are competitive and negotiable. Please contact us to customize the shape, condition, surface treatment, and processing methods of the products according to your needs.
FAQ
1️⃣ Why is the 4×8 2507 plate price higher than 2205?
Because 2507 contains higher Cr, Mo, and N, offering ~30% higher pitting resistance and strength, which significantly improves service life.
2️⃣ Is 2507 worth the higher price?
Yes. Its higher yield strength allows thinner designs, reducing weight, welding cost, and long-term maintenance.
3️⃣ Can 4×8 2507 plates be welded?
Yes. With proper heat input and filler metal, 2507 plates offer excellent weld joint strength and corrosion resistance.
4️⃣ Does plate size affect price?
Standard 4×8 plates are more cost-efficient than custom sizes due to optimized rolling and inventory availability.
5️⃣ How can I get an accurate 2507 plate price?
Final pricing depends on thickness, quantity, inspection requirements, and delivery terms-project-based quotations are recommended.