Super Duplex Manufacturer in India - Nippon International Pvt Ltd

Nippon International Pvt Ltd stands out as a leading Super Duplex Manufacturer in India, delivering advanced stainless steel solutions for aggressive service conditions. Known for its superior strength and resistance to localized corrosion, Super Duplex stainless steel is ideal for environments exposed to high salinity, intense pressure or corrosive chemicals. Its dual-phase structure provides a balanced combination of durability and weldability, making it the material of choice in sectors like oil and gas, pulp and paper, petrochemical, water treatment and offshore engineering.


Super Duplex Manufacturer in India

Super Duplex Manufacturer & Supplier in India

Nippon International Pvt Ltd is a trusted Super Duplex manufacturer and industrial supplier committed to delivering performance-grade stainless steel solutions built for challenging environments. Super Duplex alloys offer remarkable tensile strength, stress corrosion resistance and long-term reliability, especially in environments that combine high chloride exposure, pressure and temperature. Our production capabilities support a wide range of industrial sectors such as offshore drilling, chemical refineries, seawater equipment and high-performance heat exchangers.

As a top-tier Super Duplex supplier in India, we maintain ready stock of components such as seamless and welded pipes, cut-to-size plates, structural channels, high-pressure flanges and precision-machined fittings. Our logistics network supports fast domestic dispatch and consistent international delivery schedules.


Super Duplex Standard, Size & Specification

Category Specifications
Super Duplex Grades UNS S32750 (2507), UNS S32760 (Zeron 100)
Standards ASTM A240, A276, A479, A789, A790, A815, ASME SA240, SA276, SA479, SA789, SA790, SA815
Super Duplex Products Pipes & Tubes, Sheet, Plate & Coil, Round Bar, Flanges, Buttweld Fittings, Socketweld Fittings, Fasteners, Angles & Channels, Ferrule Fittings, Dairy & Pharma Fittings, Copper Fittings

Top Selling Super Duplex


Super Duplex Chemical Composition

Chemical Element %
Chromium (Cr) 24.0 – 26.0
Nickel (Ni) 6.0 – 8.0
Molybdenum (Mo) 3.0 – 5.0
Manganese (Mn) 1.2 max
Silicon (Si) 0.8 max
Carbon (C) 0.030 max
Phosphorus (P) 0.035 max
Sulfur (S) 0.020 max
Iron (Fe) Balance
Nitrogen (N) 0.24 – 0.32

Super Duplex Mechanical Properties

Property Value
Tensile Strength 750 MPa (min)
Yield Strength (0.2% Offset) 550 MPa (min)
Elongation at Break 25% (min)
Hardness (Brinell) 290 HB (max)

Super Duplex Physical Properties

Property Value
Density 7.8 g/cm3
Melting Point 1350°C – 1400°C
Modulus of Elasticity 200 GPa
Thermal Conductivity 18 W/m·K
Thermal Expansion Coefficient 13 × 10-6 /°C
Electrical Resistivity 0.083 µΩ·m

Application & Uses of Super Duplex

  • Used in Sugar Industry

  • Power Industry

  • Ship Building Industry

  • Automotive Industries

  • Food, Beverage, and Dairy

  • Oil and Gas Plant

  • Process Instrumentation

Super Duplex Delivery & Packaging Information

  1. Payment Modes: LC (Letter of Credit), TT (Telegraphic Transfer or Wire Transfer), Cheque, and others.

  2. Packaging: Super Duplex are packaged with caution and safety so they reach our client as well as he would expect. Packaging Charges Extra.

  3. Port of Dispatch: Mumbai or Kalamboli ports in the Maharashtra state of India.

  4. Tax:18% GST.

Cities We Supply Super Duplex

Nippon International Pvt Ltd is a well-known Super Duplex supplier in Hyderabad, Bangalore, Ahmedabad, Karnataka, Pune, and other major Indian States. We offer best quality products at best price. we have large inventory and warehouses most of the states to fulfill our customers need whenever they needed.


Supplied Cities
New Delhi Ahmedabad Jaipur Surat
Salem Gandhinagar Varanasi Haldia
Bhiwandi Tiruppur Sivakasi Jamnagar
Thiruvananthapuram Rajahmundry Visakhapatnam Trivandrum
Bhubaneswar Vijaywada Firozabad Rajkot
Bharuch Coimbatore Kannur Nagpur
Panna Raipur Cochin Ludhiana
Panipat Durgapur Agra Bhagalpur

Countries We Export Super Duplex

We are a top Super Duplex Exporter, We have a strong presence in the metal market for various products and we continuously expand our reach by connecting with new clients all over the world. We export our products globally to all major countries, including the United States, Saudi Arabia, the United Arab Emirates, and so on. Every year, we ship more than 5 containers of Super Duplex from India worldwide.


Exported Countries
Saudi Arabia Qatar Canada
Sri Lanka Iran Nigeria
Bangladesh Oman UAE
Turkey Kuwait Venezuela
Africa Singapore Netherlands
United Kingdom Mexico Malaysia
United States Australia Japan

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