SS Duplex rod is widely recognized for its exceptional mechanical strength, excellent corrosion resistance, and superior durability in demanding environments. We Salem Stainless Steel Supplier Pvt. Ltd., are a premier Stainless Steel Duplex Rod manufacturer and supplier, providing the high-strength materials necessary for the world’s most challenging projects.

A Duplex rod isn’t just another grade of steel; it’s a metallurgical hybrid. It features a dual-phase microstructure consisting of approximately 50% austenite and 50% ferrite. This “best of both worlds” approach gives the Stainless steel Duplex rod twice the strength of standard 300-series alloys, along with vastly superior resistance to stress corrosion cracking.

Chemical Properties of SS Duplex Rods:

Element Content (%)
Carbon (C) ≤ 0.030
Silicon (Si) ≤ 1.00
Manganese (Mn) ≤ 2.00
Phosphorus (P) ≤ 0.030
Sulfur (S) ≤ 0.020
Chromium (Cr) 21.0 – 23.0
Nickel (Ni) 4.5 – 6.5
Molybdenum (Mo) 2.5 – 3.5
Nitrogen (N) 0.08 – 0.20
Iron (Fe) Balance

Mechanical Properties of Stainless Steel Duplex Rods:

Property Minimum Value
Tensile Strength 620-655 MPa
Yield Strength (0.2%) 450 MPa
Elongation (50mm gauge) 25% min
Hardness (Brinell) 293 HB max

Physical Properties of Duplex SS Rods:

Property Value
Density 7.81 g/cm³
Modulus of Elasticity 190-200 GPa
Thermal Expansion (100°C) 13.7 × 10⁻⁶ /K
Thermal Conductivity (100°C) 19 W/m·K
Electrical Resistivity 0.85 × 10⁻⁶ Ω·m
Specific Heat (0-100°C) 418-500 J/kg·K

Product Specifications:

Property Details
Product Stainless Steel Duplex Rods
Length Upto 18 meter
Diameter 3mm up to 520mm
Surface Finish Black, Bright, Annealed & Pickled
Min. Order Quantity 200 Kgs

Applications of Duplex Rods:

  • Marine & Offshore: Propeller shafts, rudder stocks, and oil/gas platform components.
  • Chemical Processing: Rods and fasteners used in tanks and piping systems that handle aggressive acids and chlorides.
  • Desalination Plants: Critical components in water treatment facilities.
  • Bridges & Architecture: Structural tie-rods in coastal areas where both extreme strength and rust resistance are required.

At our company we combine the technical mastery of a manufacturer with the logistical power of a global supplier. We ensure that every Duplex rod we ship meets the highest international standards and arrives at your site with record speed. Contact our sales team today for a custom quote on Stainless steel Duplex rod.

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.