Our Products

Duplex Steel Pipe

Duplex Steel S31803 / S32205 Pipe, Super Duplex Steel S32750/ S32760 Pipe

Silver Tubes may be a well-recognized manufacturer, stockiest and exporters of the merchandise ASTM A789/A790 Duplex Pipes, Tubes which are widely available with us a range of normal sizes. We are the most trusted and leading manufacturer of the range of products with different grades of pipes, pipe fittings, tubes, rods, sheets, etc in the competitive market today. Leveraging on our huge industrial experience in this field, we are faithfully engaged in providing supreme grade of ASTM A789/A790 Duplex Pipes in addition as Tubes. they are correctly engineered under the guidance of experts and experienced professionals using basic components at our ends.

ASTM A789/A790 Duplex Pipes, Tubes are widely appreciated by our clients for its some of the best features like smooth functioning, high durability, good corrosion resistance, and dimensional accuracy. different ways of packaging methods are adopted by Silver Tubes depending upon the requirements of our respected clients.

ASTM A789/A790:
The grade ASTM A789/A790 pipes and tubes are used in industries such as chemical, refineries, fertilizers, petrochemical, nuclear power, oil mills, mining, construction, steel plant industries, etc. The duplex pipe and tubes are called duplex because they incorporates a two-phase microstructure consisting of grains of austenitic and ferritic chrome steel . some of the best features of this kind of pipes and tubes are that they comprise of ASTM standards, have a really high tensile strength, are corrosion resistant, and have a capability of resisting at an extremely warmth. All range of our pipes and tubes go through several testing to confirm and maintain the superior quality of the product.

Duplex Steel Pipe Specification

Standards Duplex 2205 Pipe, Duplex S31803
Seamless Pipe Size 4 to 219mm W. T.: 0.5 to 20mm
Welded Pipe Size 5.0 mm – 1219.2 mm
EFW Pipe size 5.0 mm – 1219.2 mm
Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
Pipe Schedule SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Length Single Random, Double Random, Standard & Cut length Pipe
Finish Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Form Round, Hydraulic, ‘U’ bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc
Type Welded, Seamless, ERW, EFW, Fabricated Pipe
End Plain End, Beveled End, Treaded Pipe
Marking All Duplex Steel Pipe are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Application Oil Pipe, Gas Pipe, Fluid Pipe, Boiler Pipe
Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
Specialize in Duplex Large Diameter Pipe
Test Certificate Manufacturer Test Certificate 
Laboratory Test Certificate from Govt. Approved Lab. 
Under Third Party Inspection
Our stockyad location for fast delivery within India Ahmedabad, Agra, Dhanbad, Tirunelveli, Bengaluru, Chennai, Mumbai, Hyderabad, Bhubaneswar, Noida, Pimpri-Chinchwad, Shivamogga, Coimbatore, Thiruvananthapuram, Tiruchirappalli, Pune, Navi Mumbai
Manufacturers of Duplex Pipe
  • Kobe Special Tube, Japan
  • Sumitomo Metals, Japan
  • Nippon Steel Corporation, Japan
  • Sanyo Special Steel, Japan
  • Tubacex Tubos Inoxidables S.A., Spain
  • Schoeller Bleckmann, Austria
  • Seah Steel Corporation, Korea
We can also cut, thread, and groove Duplex Pipe to meet your specifications. Pipe Dimension ANSI/ ASME B36.10, B36.19, B2.1

Duplex Uns S31803 Pipe Suppliers, Astm A790 Material, Astm A790 Duplex Chemical Composition, Astm A790 Uns S31803 Pipe Heat Treatment, A790 Uns S31803 Pipe Equivalent & Specification

Duplex Steel Pipe Suppliers

Cities We Deliver To

New York, London, Seoul, Perth, Doha, Gimhae si, New Delhi, Lumpur, Noida, Sharjah, Port of Spain, Madrid, Thiruvananthapuram, Jakarta, Moscow, Thane, Vung Tau, Dubai, Calgary, Jeddah, Hanoi, Bogota, Surat, Houston, Caracas, Manama, Kuala Hong Kong, Atyrau, Jamshedpur, Edmonton, Haryana, Geoje si, Montreal, Ulsan, Abu Dhabi, Los Angeles, Al Jubail, Colombo, Visakhapatnam, Faridabad, Karachi, Cairo, Santiago, Shivamogga, Baroda, Ahmedabad, Nagpur, Kolkata, Istanbul, Lagos, Bhubaneswar, Vadodara, Toronto, Ludhiana, Pune, Secunderabad, Ernakulam, Kanpur, Dallas, Coimbatore, Bangkok, Sydney, Ranchi, Chandigarh, Milan, Navi Mumbai, Rio de Janeiro, Ankara, Howrah, Mumbai, Singapore, Courbevoie, Chiyoda, Petaling Jaya, Algiers, Busan, Lahore, Tehran, La Victoria, Kuwait City, Granada, Pimpri Chinchwad, Riyadh, Muscat, Al Khobar, Mexico City, Melbourne, Brisbane, Indore, Tirunelveli, Bhopal, Bengaluru, Dhanbad, Dammam, Chennai, Jaipur, Tiruchirappalli, Hyderabad, Rajkot, Ho Chi Minh City, Ahvaz, Gurgaon, Aberdeen, Nashik, Agra

Countries We Deliver To

Libya, South Africa, Zimbabwe, Peru, Taiwan, Croatia, Switzerland, Kazakhstan, Gabon, Russia, United Arab Emirates, Israel, South Korea, Japan, China, Iran, Mexico, Pakistan, Qatar, Nigeria, France, Singapore, Greece, Netherlands, Namibia, India, Bahrain, Azerbaijan, Australia, Poland, Egypt, Germany, Italy, United States, Brazil, Canada, Nigeria, Saudi Arabia, Bangladesh, Kenya, Lithuania, Costa Rica, Chile, Algeria, Colombia, Bulgaria, Iran, Bolivia, Afghanistan, Denmark, Vietnam, Yemen, Serbia, Ghana, Trinidad & Tobago,Tunisia, Slovakia, Kuwait, Jordan, Romania, Philippines, Sweden, Estonia, Lebanon, Belarus, Mongolia, Hong Kong, Bhutan, Ireland, Tibet, Angola, Austria, United Kingdom, Turkey, Poland, Macau, Indonesia, New Zealand, Morocco, Oman, Mexico, Ecuador, Malaysia, Portugal, Norway, Sri Lanka, Argentina, Czech Republic, Iraq, Gambia, Venezuela, Ukraine, Finland, Hungary, Nepal, Thailand, Belgium, Spain, Chile, Puerto Rico