Sumit Impex is a well-known manufacturer & supplier of Duplex 2205/S31803 Round Bars. We specialize in delivering top-quality round bars globally and ensure excellence in every aspect of our products. Renowned for precision and reliability, We cater to diverse industrial needs, focusing on surpassing industry standards. Our commitment to superior quality makes Duplex 2205/S31803 Round Bars ideal for critical applications, ensuring reliability and durability in various settings.
Sumit Impex is a Supplier of Duplex Steel S31803 Round Bar, Biggest Stockist of Duplex Steel S31803 Round Bars as per Standards in Mumbai, India.
Duplex Stainless Steel S31803 Bar, Duplex Stainless Steel S31803 Square Bar, Duplex Steel S31803 Bar, UNS S31803 Round Bar, Duplex S31803 Hex Bar, Duplex Steel S31803 Round Bar, Duplex S31803 Rod, Duplex Steel S31803 Flat Bar, Duplex Steel Rod Manufacturers in India.
Duplex 2205/S31803 Round Bars are high-strength stainless steel alloys with a dual-phase microstructure, combining austenitic and ferritic properties. Recognized for their superior corrosion resistance, these round bars find applications in various industries, including oil and gas, and marine engineering. With excellent strength, durability, and resistance to corrosion and pitting, Duplex 2205/S31803 Round Bars are ideal for critical components in challenging environments, ensuring reliability and longevity.
Sumit Impex provides Duplex 2205/S31803 Round Bars with various test certificates, including MTC as per EN 10204/3.1b and PMI Test Certificate, ensuring adherence to stringent industry standards and top-notch quality.

Duplex S31803 Round Bar Specifications
Specifications | ASTM A182, ASTM A479, AMS 5513, AMS 5511, AMS 5647 |
Dimension Standard | EN, DIN, JIS, ASTM, BS, ASME, AISI |
Bar Diameter | 3 ~ 800mm |
Hex Bar size | 2-100mm A/F |
Flat bar size | Thickness: 2 -100mm. Width: 10 to 500mm. |
Square bar size | 4 to 100mm |
Rectangular Bars | Size: 33 x 30mm to 295 x 1066mm. Thickness: 3.0 to 12.0mm. |
Hollow Bars | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
Billet Size | 1/2 to 495mm Diameter |
Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements |
Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
Rolled Bars Condition | Hardened & tempered, annealed |
Cold Rolled Bar Technique | Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
Types of Duplex Steel S31803 Round Bar
Square Bar
Square Bar
Flat Bar
Flat Bar
Hex Bar
Hex Bar
Bright Bar
Bright Bar
Threaded Rod
Threaded Rod
Rectangular Bar
Rectangular Bar
Polished Bar
Polished Bar
Forged Bars
Forged Bars
Duplex Steel S31803 Round Bars Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS |
Duplex Steel | 1.4462 | S31803 |
Duplex Steel S31803 Round Bar Chemical Composition
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
Duplex Steel S31803 Round Bars Mechanical Properties
Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
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Duplex Steel S31803 Round Bars Applications
Export & Supply Destinations Of Duplex Steel S31803 Round Bars
Qatar, Sri Lanka, Armenia, Bhutan, Bahrain, Lebanon, Japan, Oman, South Korea, British, Indonesia, Azerbaijan, Nepal, Iran, Maldives, Malaysia, Turkey, North Korea, Israel, Russia, Taiwan, Jordan., Saudi Arabia, Iraq, Kyrgyzstan, Kuwait, Egypt, China, Thailand, Macau, Mongolia, Afghanistan, Hong Kong, Bangladesh, Vietnam, United Arab Emirates, India, Singapore, Philippines, Myanmar.
Ukraine, Czechia/Czech Republic, Portugal, Spain, Slovakia, Ireland, Cyprus, Belgium, Turkey., Italy, Moldova, Romania, Russia, Austria, Hungary, Germany, Sweden, Malta, Serbia, Poland, Luxembourg, Liechtenstein, Netherlands, United Kingdom, Denmark, Estonia, Switzerland, Azerbaijan, Lithuania, France, Belarus, Greece, Bulgaria, Croatia, Latvia, Norway, Monaco, Finland.
Algeria, Mauritius, Angola, Tanzania, Kenya, Gambia, Cameroon, Madagascar, Namibia., Morocco, Seychelles, Central African Republic, South Africa, Egypt, Nigeria, Rwanda, Senegal, Liberia, Libya, Zimbabwe, Mauritania, Mozambique, Ethiopia, Burundi, Burkina Faso, Botswana, Zambia, Tunisia, Niger, Uganda, Eswatini.
Antigua and Barbuda, Canada, Cuba, Haiti, Panama, Jamaica, Belize, Honduras, Dominican Republic, Barbados, Saint Vincent and the Grenadines, Trinidad and Tobago, Mexico, El Salvador, United States of America, Guatemala, Costa Rica, Nicaragua, Bahamas, Grenada, Saint Lucia, Dominica.
Peru, Colombia, Chile, Guyana, Uruguay, Paraguay, Brazil, Argentina, Bolivia, Venezuela, Suriname, Ecuador.