Duplex Stainless Steel Plate Supplier, Duplex Stainless Steel Plate Manufacturer, Duplex Stainless Steel Plate Provider.

In the demanding world of industrial manufacturing, choosing the right material isn’t just a technicality, it’s a prerequisite for safety and longevity. At Salem Stainless Steel Suppliers, we pride ourselves on being a leading manufacturer and exporter of a premium gamut of Duplex Steel Plates, engineered to thrive where others fail. Our commitment to quality, precision engineering, and customer satisfaction has made our Duplex Plates highly demanded in both domestic and international markets.

Why Industry Leaders Choose Duplex Steel Plates?

SS Duplex plates are renowned for their unique “dual” microstructure. By combining the best properties of both Ferritic and Austenitic steels, these plates offer a “best of both worlds” solution:

  • Superior Strength: Roughly twice the yield strength of standard austenitic or ferritic stainless steels.
  • Corrosion Resistance: Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking—even in chloride-rich environments.
  • Cost-Efficiency: Because of their high strength, you can often use thinner plates without compromising structural integrity, saving on material costs and weight.

Our Product Range – SS Duplex Plates

At Salem Stainless Steel Suppliers, we offer a comprehensive range of Duplex Plates in:

  • Various thicknesses
  • Custom sizes and dimensions
  • Multiple surface finishes
  • Different grades (as per industry standards)
  • Custom designs and specifications

We understand that every project has unique requirements, which is why our Stainless Steel Duplex Plates are available as per the precise needs of our clients.

Chemical Properties of SS Duplex Plates:

Grade Chromium (Cr) Nickel (Ni) Molybdenum (Mo) Nitrogen (N)
Lean Duplex (2101) 21.5% 1.5% 0.3% 0.22%
Standard Duplex (2205) 22.0% 5.0% 3.0% 0.18%
Super Duplex (2507) 25.0% 7.0% 4.0% 0.30%

Manganese (Mn) and Silicon (Si): Added in controlled amounts to act as deoxidizers and to improve the structural integrity of the plate during the melting process, so it might vary for Grade to Grade.

Mechanical Properties of Stainless Steel Duplex Plates:

Property Standard Duplex (2205) Super Duplex (2507) Lean Duplex (2101)
Yield Strength (0.2% Offset) (MPa) 450 (Min) 550 (Min) 450 (Min)
Tensile Strength (MPa) 620 – 880 795 – 1000 650 – 900
Elongation (% in 50 mm) 25% 15% 30%
Hardness (Brinell) 293 (Max) 310 (Max) 290 (Max)

Physical Properties of Duplex Plates:

Property Duplex 2205
Density 7.8 g/cm³
Melting Range 1350 – 1450°C
Thermal Expansion 13.7 µm/m·°C
Thermal Conductivity 19.0 W/m·K
Magnetic Yes
Electrical Resistivity 0.85 – 0.95 µΩ·m
Elastic Modulus 200 GPa

Product Specifications:

Feature Specification Details
Material Premium Grade Stainless Steel
Product Type High-Quality Steel Plates
Thickness Range 0.2 mm to 100 mm
Standard Widths 1000 mm, 1219 mm, 1500 mm, 1800 mm
Standard Lengths 2000 mm, 2500 mm, 3000 mm, 6000 mm & Custom Lengths
Common Sizes 1000 × 2000 mm, 1219 × 2440 mm, 1500 × 6000 mm, 1800 × 6000 mm
Minimum Order (MOQ) 100 Kilograms

Applications of SS Duplex Plates:

1. Oil & Gas Industry

  • Subsea Pipelines: Transporting oil and gas from the seabed.
  • Offshore Platforms: Structural components and living quarters (where salt air is highly corrosive).
  • Downhole Tubing: Resisting high pressure and corrosive fluids deep underground.

2. Chemical and Petrochemical Processing

  • Pressure Vessels: Due to high yield strength, thinner plates can be used, reducing the overall weight of the vessel.
  • Distillation Columns: Resisting organic acids and chloride-rich environments.
  • Chemical Tankers: Used for the internal lining of ships that transport liquid chemicals.

3. Pulp and Paper Industry

  • Digesters: Where wood chips are cooked into pulp.
  • Bleach Plant Washers: Handling aggressive bleaching agents.
  • Liquor Tanks: Storage for the harsh chemicals used in the pulping process.

4. Marine and Desalination

  • Desalination Plants: High-pressure piping and evaporator vessels for turning salt water into fresh water.
  • Propeller Shafts and Rudders: Providing the strength and corrosion resistance needed for underwater moving parts.

5. Civil Engineering and Construction

  • Bridges: Used in coastal areas or where road salt is used (e.g., the Stonecutters Bridge in Hong Kong).
  • Seawalls: Reinforcing structures that are constantly battered by waves.
  • Storage Tanks: For water treatment and food processing facilities.

Tailored to Your Needs

We understand that every project is unique. Whether you need a standard size or a specific diameter for a niche industrial application, our team ensures that every plate is manufactured with precision and care. Ready to upgrade your next project with high-quality Stainless Steel Duplex Plates? As a leading supplier in Salem, we are committed to fast turnaround times and competitive pricing.

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.