ASME SA790 Duplex Round Pipes, Duplex Werkstoff Nr. 1.4462 Rectangular Seamless Pipes, Duplex Steel UNS S31803 ERW Pipes Exporter, Duplex Steel UNS S32205 Rectangular Pipe, UNS S2205 Tubes, Duplex Steel High Temperature Seamless Pipes, Duplex Steel Pipe Supplier.

Amco Metals an ISO 9001: 2015 confirmed organization, that offer development, quality and administration bundled into a solid item that exemplifies greatness. We, at Amco, are devoted to the most astounding level of value and standard, offering premium merchandise and ventures for testing enterprises. Our need is our client and his/her total fulfillment.

We are a maker, merchant, stockist, provider and exporter of Duplex Steel 31803/2205 Pipes that are built by giving exceptional concentration to creating funnels that interpretation of testing situations, giving elite at sensible cost. Our Duplex Steel 31803/2205 Seamless Pipes that have astounding warmth conductivity and lower warm development, joined with high quality because of Chromium. While our Duplex Steel S32205 Welded Pipes have great vitality assimilation and weariness and disintegration resistance, and a decent effect quality under an assortment of temperatures, best utilized as a part of oil and gas plants.

We keep a tab on advertise patterns and requests, to concoct new, maintainable and practical items equipped for experiencing customization. We have manufactured a thorough arrangement of value items over the traverse of 25 years. Our items are completely confirmed and 100% strong.

Duplex Steel UNS S32205 Seamless Pipes, Duplex Steel UNS S31803 Welded Pipe Manufacturer, UNS S2205 Round Pipes, Duplex Steel EFW Pipe, Duplex Piping Supplier.

Duplex Steel Seamless Pipes
Duplex Steel Seamless Pipes
Duplex Steel Seamless Pipes
Duplex Steel UNS S31803 Welded Pipe
Duplex Steel UNS S31803 Welded Pipe
Duplex Steel UNS S31803 Welded Pipe
Duplex Steel UNS S32205 Tubes
Duplex Steel UNS S32205 Tubes
Duplex Steel UNS S32205 Tubes

ASTM A790 Duplex Steel Pipe Specification

Specifications : ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789

Type : Seamless / ERW / Welded / Fabricated / CDW

Size : 1/2"NB TO 12 "NB IN

Schedule : SCH20, SCH30, SCH40, STD, SCH80

End : Plain End, Beveled End, Treaded

Form : Round Pipes/Tubes, Tubes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes

Length :Single Random, Double Random & Required Length

Outer Diameter : 6.0-630mm

Duplex Steel UNS S32205 Seamless Pipes Equivalent Grade

Duplex UNS S31803 1.4462 S31803
Duplex UNS S32205 1.4462 S32205


Duplex Steel UNS S31803 Welded Pipe Chemical Composition

Grade  C Mn Si P S Cr Ni Mo N Fe
Duplex S31803 0.030 max. 2.00 max. 1.00 max. 0.030 max. 0.020 max. 22.0 – 23.0 4.50 – 6.50 3.0 – 3.5 0.14 – 0.20 63.72 min.
Duplex S32205 0.030 max. 2.00 max. 1.00 max. 0.030 max. 0.020 max. 21.0 – 23.0 4.50 – 6.50 2.50 – 3.50 0.08 – 0.20 63.54 min


Duplex Steel Rectangular Pipe Mechanical Properties

Element  Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Duplex S31803 7.805 0.285 1420 – 1465 2588 – 2669 25 min.
Duplex S32205 7.805 0.285 1420 – 1465 2588 – 2669 25 min.



Applications Industry
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals


Our Main Export Countries

  •   ASIA - Thailand, Singapore, Sri lanka, Bangladesh
  •   Middle East - Kuwait, Dubai, Saudi Arabia, Qatar, Oman, Bahrain, Jordan
  •   Europe - United Kingdom, Italy, Belgium, France, Croatia, Spain
  •   South America - Argentina, Chile, Brazil, Colombia, Paraguay
  •   Africa - Ghana, South Africa


Duplex Steel Seamless Pipes UNS S2205 Welded Pipe
Duplex Steel ERW Pipes Duplex Steel Rectangular Pipe
Duplex Steel UNS S31803 Tubes Duplex Steel UNS S32205 Rectangular Seamless Pipes
ASTM A789 Duplex Steel Pipe Manufacturer Duplex Steel DIN 1.4462 Pipes
UNS S2205 High Temperature Seamless Pipes Duplex Steel Pipe
Duplex Steel UNS S31803 Rectangular Seamless Pipes Duplex Steel UNS S32205 Tubes
UNS S31803 Welded Pipe UNS S32205 Corrosion Resistance Seamless Pipes Exporter
Duplex Steel UNS S31803 EFW Pipe Duplex Steel UNS S32205 Piping Exporter
UNS S31803 Tubes Stockist UNS S32205 Round Welded Pipe Manufacturer
UNS S31803/S32205 Welded Pipe Duplex Steel Welded Pipes Supplier
Duplex Pipe Duplex Werkstoff Nr. 1.4462 Pipes
Duplex Steel UNS S31803 ERW Pipes Duplex Steel UNS S32205 Fabricated Pipe
UNS S31803 Round Pipes UNS S32205 EFW Pipe


Countries we have exported our products to:

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


Cities we have supplied our products to:

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