317L Round Bar

Ground Finished Machined Bars 31803

Ground Finished Machined Bars 31803

S31803, UNS S31803, Ground Bars, DIN 1.4462 Round Bars, Ground Finished Machined UNS S31803 Rods, UNS S31803 Bars, UNS S31803 Hex Bars, SS JIS Nitronic 50 Bars, Nitronic 50 SS Bright Bars, UNS S31803 Round Bars Suppliers, UNS S31803 Round Bars Exporter, 

ASTM A276 Ground Finished Machined  Manufacturer, ASTM A479 UNS S31803 Round Bars Stockist, Ground Finished Machined UNS S31803 Forged Bars, UNS S31803 Black Bar, UNS S31803 Billets, UNS S31803 Square Bars, and UNS S31803 Flat Bars Manufacturer & Exporter

Detailed Information:

The ground machining of UNS31803 bars involves heat treatment or hot working. They are annealed after hot working. RatnaExports.com Cold working operations are conducted to eliminate brittleness and achieve the desired mechanical properties.

This alloy can be welded with all types of welding operations. Ground Machined UNS31803 Bars have high weldability. Additionally, these bars perform well in chemically contaminated environments, such as chlorides, halides, sulfuric acids, nitric acids, phosphoric acids, etc.

A ground machining UNS31803 bar is also well suited to local corrosive environments and can be used in halide and chloride-containing environments. It has excellent resistance to pitting and crevice corrosion and stability at high temperatures without distortion or rupture.

Many of these are used in intergranular corrosive environments due to their alloying elements; their strength can also be increased in mild reducing environments due to their alloying elements.

This UNS31803 ground machining bar is available in two-state conditions, either tempered or quenched, and is designed to give exceptional welding characteristics. It is the most economical method of machining UNS31803, being strong, durable, and functional.

The specifications for ground-finished machined Bar 31803

Specification: ASTM/ASME A276, A479

Dimensions: ASTM, ASME, API

Size: 10mm to 100mm Diameter, 100mm to 6000mm Length

Form: Square, Round, Hexagonal (A/F), Rectangle, Wire (Coil Form), Wire Mesh, Billet, Ingot, Forging, etc.

Finish: Black, Bright, and Polish


Chemical Composition of Ground Finished Machined Bar 31803













0.030 max

2.00 max

1.00 max

0.030 max

0.020 max

21.0 – 23.0

2.5 – 3.5

4.50 – 6.50

0.08 – 0.20

63.72 min


Mechanical Properties of Ground Finished Machined Bar 31803


Tensile Strength ( MPA) Min.

0.2 Yield Strength ( MPA) Min. 

Elongation     (%) Min.

Hardness      (BHN) Max.





290 BHN Max.

Ground Finished Machined Bar 31803 Equivalent Grades




Duplex S31803




Assurance of quality

At The ground machining, UNS31803 bar and UNS31803 bar hex bars at RatnaExporter.com are subject to strict inspections throughout the process, starting with material purchase. We visually examine them for conformance to ASTM, ASME, DIN, EN, and JIS codes and standards. Appoint official certified Inspection Agencies upon request of our clients so they can witness the material reports, dimensions, and quality conformity of products.

Certificates of testing

We supply UNS S31803 Ground Bars with the following details Mill Test Certificate as per EN 10204 3.1, PMI Testing, Test Reports from NABL Approved Laboratories, 3.2 Certification by Third Party Inspection Agencies, Ultrasonic Test Reports, and X-Ray Reports. Our supplied ground machining UNS31803 bar also complies with NACE MR 0175 / 0103.

A ground machining application for UNS31803 bars

  • Tanks for chemicals
  • Industrie des pâtes et papiers
  • The Petrochemical Industry
  • Industries that generate electricity
  • The oil and gas industry
  • The desalination process
  • Architects and contractors
  • Equipment for food processing
  • Plants for producing biofuels
  • Ship and truck cargo tanks
  • Pumps, fans, centrifuges, and sulfur melting coils are used in the chemical industry.
  • Blower tanks, blow lines, and digesters in sulfate and sulfite plants

Packing & Marking

A ground machining UNS31803 bar is packaged to prevent damage during shipment. Ground machining UNS31803 bars are marked with Grade, Lot No, Size, and our trademark when exported; during standard export, the packaging is done in wooden cases. The purchaser can also request a special marking on our products.

Countries We Export:

Afghanistan, Albania, Algeria, Andorra, Angola, Antigua-Barbuda Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia-Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina-Faso, Burundi, Côte d’Ivoire, Cabo Verde, Cambodia, Cameroon, Canada, Central African Republic, Chad, Chile, China, Colombia, Comoros, Congo (Congo-Brazzaville), Costa-Rica, Croatia, Cuba, Cyprus, Czechia (Czech Republic), Democratic Republic of the Congo, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Eswatini (fmr. “Swaziland”), Ethiopia, Fiji, Finland, France, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Holy See, Honduras, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar (formerly Burma), Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, North Korea, North Macedonia, Norway, Oman, Pakistan, Palau, Palestine-State, Panama, Papua, New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Korea, South Sudan, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Syria, Tajikistan, Tanzania, Thailand, Timor-Leste, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, United Arab Emirates, United Kingdom, United States of America, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zambia, Zimbabwe.

Cities We Supply:

London, New-York, Paris, Moscow, Tokyo, Dubai, Singapore, Barcelona, Los-Angeles, Madrid Rome, Chicago, Toronto, San-Francisco, Abu-Dhabi, St-Petersburg, Amsterdam, Berlin Prague, Washington,Istanbul, Las-Vegas, Doha, Seoul, Sydney, Beijing,  Miami, Munich, Milan, San-Diego, Bangkok, Vienna, Dublin, Vancouver, Boston,  Zurich,  Melbourne, Budapest, Houston, Seattle, Montreal, Hong-Kong, Frankfurt, Sao-Paulo, Tel-Aviv, Copenhagen, Calgary, Orlando, Atlanta, Dallas, Hamburg, Osaka, Lisbon, Austin, Phoenix Naples, Oslo, Denver, Stockholm, Riyadh, Delhi, Buenos Aires, San-Jose, Brussels, Portland Philadelphia, Ottawa, Helsinki, Valencia, Brisbane, Warsaw, Minneapolis, Shanghai, Lyon, Adelaide, Edmonton, Marseille, Muscat, Athens, Stuttgart, Rio-De-Janeii, Baltimore, Auckland, Cologne, New-Orlean, Kuwait-City,  Kiev, Hanover, Perth, Minsk, Bucharest, Nashville, Dusseldorf, Manchester, Sacramento, Glasgow, Mexico-City, Salt-Lake-Ci, Raleigh, Cracow