Duplex Steel Pipes - Steel Pipes/Tubes Manufacturers, Top Pipe Suppliers


Sachiya Steel International Is a  manufactures and Supplier of quality assortment of duplex steel pipes and tubes,        Duplex Stainless Steel Pipes Are  widely used in construction and other industries. These pipes and tubes are available in various grades, specifications, sizes and thicknesses as per customer requirements. These pipes are highly appreciated by   our customers for their smooth finish, durability, dimensional accuracy and corrosion resistance. We provide these pipes and tubes to our customers at the best price in the market.




Standard ASTM / ASME SA 790. SA 789 , SA 790
Grade UNS NO. S 31803, S 32205
Length Single Random, Cut Length
End Plain End, Bevelled End, Threaded


  Types of Duplex Steel Pipes & Tubes


  • Duplex Steel UNS S31803 Pipe and Tubes
  • UNS S32205 Pipes & Tubes
  • Duplex Steel SAF 2205 Pipes & Tubes


Duplex Steel Pipes



Due to the need to overcome the shortcomings of austenitic and ferritic steels, duplex steels have appeared on the market. It was found that a mixture of these two materials resulted in higher strength, reduced weight, good weldability, and improved resistance to stress corrosion cracking.





Chemical Composition of Super Duplex Stainless Steel Butt weld Fittings


C Mn Si P S Cr Mo Ni N Fe
0.030 max 1.20 max 0.80 max 0.035 max 0.020 max 24.00 – 26.00 3.00 – 5.00 6.00 – 8.00 0.24 – 0.32 58.095 min
0.05 max 1.00 max 1.00 max 0.030 max 0.010 max 24.00 – 26.00 3.00 – 4.00 6.00 – 8.00 0.20 – 0.30
57.61 min



Mechanical Properties of ASTM A815 Super Duplex Steel Butt weld Pipe Fittings


Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S32750 / S32760         7.8       0.281          1350



Duplex Steel Pipes Packaging
Duplex Steel Pipes Duplex Steel Pipes

Duplex  steel Pipes  may be furnished bare or coated and with capped ends. pipes up to 3” OD will be supplied in bundles. In order to prevent rust during sea shipment, bundles of Alloy 20 Seamless Pipe may be wrapped with polypropylene sheets, and secured with flat steel bands. Over 3” OD will be supplied loose.


Duplex Stainless Steel  Pipes Application Industries


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


Material Testing


We at  Sachiya Steel International  ensure that all our materials go through strict quality tests before dispatching them to our clients.

 Mechanical Testing Such as Tensile of Area
 Hardness Test
 Chemical Analysis – Spectro Analysis
 Positive Material Identification – PMI Testing
 Flattening Test
 Micro and MacroTest
 Pitting Resistance Test
 Flaring Test
 Intergranular Corrosion (IGC) Test




  • Commercial Invoice which includes HS Code
    Packing List including net weight and gross weight, number of boxes, Marks and Numbers
    Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
    Fumigation Certificates
    Raw Material Test Reports
    Material Traceability Records
    Quality Assurance Plan (QAP)
    Heat Treatment Charts
    Test Certificates certifying NACE MR0103, NACE MR0175
    Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
    Guarantee Letter
    NABL approved Laboratory Test Reports
    Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
    Form A for the purposes of the Generalized System of Preferences (GSP)


Duplex  Steel Pipes Test Certificates


We at  Sachiya Steel International  provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

  • EN 10204/3.1B,
    Raw Materials Certificate
    100% Radiography Test Report
    Third Party Inspection Report, etc



Country’s We Export

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




Sachiya Steel International

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D-2, Office no. 3, Gr. Floor, Bharat Nagar Society, Grant Road (E), Mumbai – 400007.
+91 9769056007

+91 22 66518863

[email protected][email protected]

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Duplex Steel Pipes



About Us

Sachiya Steel International

We are an ISO 9001:2015 Certified Company in India. We Sachiya Steel International Manufacturers Supplier and Exporter of Pipes and Tubes Products in India. We Provide all Types of Materials, Grades, Shapes, and Sizes as per the client’s requirements.

We are an ISO TUV  9001:2015 Certified Company in India. We Sachiya Steel International Manufacturers Supplier and Exporter of Pipes and Tubes Products in India. We Provide all Types of Materials, Grades, Shapes, and Sizes as per the client’s requirements.