At Salem Stainless Steel, we are a trusted trader and supplier of SS Duplex 2507 Plates, delivering premium-grade materials engineered for highly aggressive environments.When your project faces high-pressure environments, chloride-rich solutions, or extreme mechanical stress, you need a material that refuses to quit. Designed for exceptional strength and outstanding corrosion resistance, Stainless Steel Duplex 2507 Plates are widely used in industries where reliability and long service life are critical.
Enter Duplex 2507 Plates. As a step above the standard 2205 grade, Stainless Steel Duplex 2507 Plates offer a unique combination of strength and corrosion resistance that makes them indispensable in modern engineering.
What makes SS Duplex 2507 Plates so Special?
Duplex 2507 plates are a “Super Duplex” grade. Like their 2205 cousins, they feature a dual-phase microstructure consisting of both austenite and ferrite. However, 2507 is more highly alloyed, containing 25% chromium, 4% molybdenum, and 7% nickel. This composition gives Stainless Steel Duplex 2507 Plates superior resistance to chloride-induced corrosion and stress corrosion cracking.
Key Advantages:
- Superior Corrosion Resistance: Specifically designed to thrive in highly corrosive conditions like seawater and acidic chemical processes.
- Exceptional Strength: Higher yield strength than most austenitic stainless steels (like the 300 series), allowing for thinner, lighter designs without sacrificing safety.
- Resistance to SCC: Incredible resistance to Chloride Stress Corrosion Cracking (SCC).
- Cost-Efficiency: Because the material is so strong, you can often use less of it to achieve the same structural integrity, saving on total material weight.
Chemical Properties of Stainless Steel Duplex 2507 Plates:
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 24.0 – 26.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Molybdenum (Mo) | 3.0 – 5.0 |
| Nitrogen (N) | 0.24 – 0.32 |
| Manganese (Mn) | 1.20 Max |
| Silicon (Si) | 0.80 Max |
| Carbon (C) | 0.030 Max |
| Copper (Cu) | 0.50 Max |
Mechanical Properties of Duplex 2507 Plates:
| Property | Value (Typical) |
|---|---|
| Yield Strength (0.2% Offset) | 80,000 psi (min) |
| Tensile Strength | 116,000 psi (min) |
| Elongation (in 2″) | 15% (min) |
| Hardness (Rockwell C) | 32 HRC (max) |
| Hardness (Brinell) | ≤ 310 HB |
| Modulus of Elasticity | 200 GPa |
Physical Properties of SS Duplex 2507 Plates:
| Physical Property | Metric Value |
|---|---|
| Density | 7.8 g/cm³ |
| Melting Range | 1410°C – 1460°C |
| Specific Heat | 450 J/kg·K (at 20°C) |
| Thermal Conductivity | 14.2 W/m·K (at 20°C) |
| Electrical Resistivity | 800 nΩ·m |
| Modulus of Elasticity | 200 GPa |
| Magnetic Permeability | Magnetic (Ferritic phase) |
Product Specifications:
| Feature | Specification Details |
|---|---|
| Standard | ASTM A240 / ASME SA240 |
| Material Grades | Duplex 2507 (UNS S32750), Duplex 2205 (UNS S31803 / S32205) |
| Thickness Range | 4.0mm to 100mm |
| Available Forms | Plates, Sheets, Coils, Foils, Rolls, Chequered Plates, Strips, Flats, Circles, and Rings |
| Surface Finishes | Hot Rolled (HR), Cold Rolled (CR), 2B, 2D, BA NO(8), SATIN (Plastic Coated) |
| Hardness Levels | Soft, Half Hard, Hard, Quarter Hard, Spring Hard |
| Specialized Processing | Shim Sheets, Perforated Sheets, B.Q. Profiles, Custom Cutting |
Typical applications of Duplex 2507 Plates:
- Offshore structural components
- Pressure vessels
- Heat exchangers
- Chemical storage tanks
- Oil & gas pipelines
- Pulp and paper processing equipment
- Marine hardware and shipbuilding
These industries rely on Duplex 2507 Plates for maximum safety, performance, and longevity in harsh operating conditions.
Why buy your Duplex 2507 Plates from Salem Stainless Steel?
At Salem Stainless Steel, we don’t just supply metal; we supply reliability. Our Stainless Steel Duplex 2507 Plates are manufactured according to global ASTM, ASME, and API standards to ensure they withstand the harshest industrial environments.
- Precision Cutting: We offer B.Q. Profile cutting and custom sizing for all Duplex 2507 plates.
- Surface Protection: Choose from multiple finishes, including BA and Satin with plastic coating to prevent scratches during fabrication.
- Versatile Inventory: From thin foils to heavy 100mm industrial plates, we carry the full range of stock to keep your project on schedule.
Countries We Export
Macau, Philippines, Estonia, Slovakia, India, Switzerland, France, Gambia, United States, Nepal, Iran, Australia, Thailand, Gabon, Zimbabwe, Bangladesh, Angola, Lithuania, Kuwait, Kazakhstan, Trinidad & Tobago, Puerto Rico, Singapore, Mexico, Azerbaijan, Brazil, Bulgaria, United Arab Emirates, Tibet, Greece, South Africa, Afghanistan, Sri Lanka, Italy, China, Serbia, Turkey, Mexico, Bolivia, Peru, Chile, Belarus, Yemen, Namibia, Qatar, Algeria, Libya, Nigeria, Japan, Poland, Austria, Bhutan, Nigeria, Portugal, Czech Republic, Croatia, Jordan, Hungary, Finland, Pakistan, Spain, South Korea, Ecuador, Denmark, Canada, Kenya, Saudi Arabia, Vietnam, Sweden, Malaysia, Bahrain, Costa Rica, Venezuela, Israel, Netherlands, United Kingdom, New Zealand, Russia, Morocco, Poland, Indonesia, Hong Kong, Egypt, Oman, Norway, Chile, Iran, Lebanon, Taiwan, Ghana, Romania, Mongolia, Ukraine, Colombia, Tunisia, Ireland, Iraq, Belgium, Argentina, Germany.
Cities We Supply
Calgary, Al Jubail, Hong Kong, Bhopal, Jeddah, Toronto, Ulsan, Aberdeen, Thiruvananthapuram, Petaling Jaya, Nashik, Houston, Montreal, Cairo, Ernakulam, Atyrau, Karachi, Haryana, Istanbul, Jakarta, Sharjah, Nagpur, Dallas, Ranchi, Algiers, Doha, Santiago, Geoje-si, Singapore, Chennai, Jamshedpur, Perth, New Delhi, Tehran, Vadodara, New York, Caracas, Ahmedabad, Edmonton, Kanpur, Busan, Mumbai, Secunderabad, Bengaluru, Kolkata, Pimpri-Chinchwad, Manama, Vung Tau, Melbourne, Bangkok, Colombo, Ankara, Bogota, Sydney, Milan, Port-of-Spain, Abu Dhabi, Thane, Ahvaz, Visakhapatnam, Rajkot, Jaipur, Indore, Kuwait City, Gurgaon, Baroda, Navi Mumbai, La Victoria, Surat, Ludhiana, Lahore, Hanoi, Riyadh, Faridabad, Hyderabad, Coimbatore, Mexico City, Dubai, Al Khobar, Rio de Janeiro, Pune, Chiyoda, Moscow, Lagos, London, Madrid, Granada, Ho Chi Minh City, Brisbane, Chandigarh, Seoul, Courbevoie, Los Angeles, Gimhae-si, Dammam, Howrah, Muscat, Noida, Kuala Lumpur, Pondicherry, Tamil Nadu.
