Sumit Impex is a well-known manufacturer, supplier, and exporter; we proudly present our top-quality Duplex 31803 Fasteners. We are committed to precision and reliability, and our Fasteners meet the highest standards in the industry.
Sumit Impex is a Supplier of Duplex 31803 Fasteners, Biggest Stockist of 31803 Duplex Fasteners as per Standards in Mumbai, India.
Duplex 31803, Duplex & Superduplex 31803 Fasteners, Duplex 31803 Bolts, Duplex Steel 31803 Fasteners in Best Price, Duplex 31803 Nuts, Duplex Steel 31803 Screws, Duplex Washers, 31803 Washers, ASTM A479 Duplex 31803 Fasteners
Duplex S31803 Fasteners are high-performance fastening components manufactured from UNS S31803 duplex stainless steel. These fasteners offer an excellent combination of high strength, superior corrosion resistance, and long-lasting durability. Commonly used in the construction, marine, oil and gas, and chemical processing industries, duplex S31803 fasteners provide reliable performance in demanding environments where conventional materials may fail.
As one of the trusted duplex S31803 fastener suppliers, Sumit Impex ensures that every product undergoes strict quality inspection to meet industry standards. Our testing procedures include hardness testing, chemical analysis, Positive Material Identification (PMI) testing, and corrosion resistance testing to verify product quality and performance. We also provide complete documentation, including a commercial invoice, packing list, Certificate of Origin, and Third-Party Inspection Certificate, ensuring complete customer satisfaction.
Standard Specification For Duplex Steel 31803 Fasteners
| Specifications | ASTM F467 / ASME SF467 |
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of Stainless Steel Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated Stainless Steel Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
Duplex S31803 Fasteners Types
Stud Bolts
Stud Bolts
Bolts
Bolts
Nuts
Nuts
Washers
Washers
Duplex S31803 Fasteners Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex 2205 | S31803 | 1.4462 |
Duplex Steel S31803 Fasteners 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 S31803 Fasteners Mechanical Properties
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
Contact Us For Quatation & Questions Related To Duplex 31803 Fasteners
Duplex 31803 Fasteners Applications
Food Processing Industry
Hydraulic Applications
Offshore Pipelines & Pipe Works
Oil & Gas Industrires
Petrochemical Industry
Piping Systems
Power Plant Industry
Pulp & Paper Industry
Refining Industry
shipbuilding-industries
Chemical Industries
Construction Industries
Export & Supply Destinations Of Duplex 31803 Fasteners
North Korea, Singapore, South Korea, Lebanon, Qatar, Bahrain, Myanmar, Japan, Oman, Nepal, British, Bhutan, Mongolia, Macau, Azerbaijan, Vietnam, Indonesia, Hong Kong, Jordan, Iran, Thailand, Taiwan, United Arab Emirates, Bangladesh, Kyrgyzstan, Philippines, Israel, Saudi Arabia, China, Russia, Sri Lanka, Egypt, Maldives, Armenia, Malaysia, India, Kuwait, Iraq, Turkey, Afghanistan.
Liechtenstein, Sweden, Belgium, Spain, Monaco, United Kingdom, Croatia, Malta, Austria, Germany, Romania, Estonia, Cyprus, Portugal, Lithuania, Greece, Finland, Czechia/Czech Republic, Norway, Ukraine, Poland, Belarus, Switzerland, Netherlands, France, Italy, Luxembourg, Ireland, Denmark, Moldova, Azerbaijan, Turkey, Latvia, Bulgaria, Slovakia, Russia, Hungary, Serbia.
Libya, Burkina Faso, Mauritania, Mauritius, South Africa, Rwanda, Tunisia, Central African Republic, Madagascar, Nigeria, Liberia, Ethiopia, Niger, Zimbabwe, Angola, Seychelles, Eswatini, Kenya, Tanzania, Burundi, Botswana, Algeria, Cameroon, Egypt, Morocco, Namibia, Senegal, Gambia, Zambia, Mozambique, Uganda.
Trinidad and Tobago, Haiti, Antigua and Barbuda, Dominica, Saint Vincent and the Grenadines, Belize, Cuba, Bahamas, Costa Rica, Jamaica, Guatemala, Barbados, Mexico, Grenada, Saint Lucia, El Salvador, Honduras, Nicaragua, United States of America, Panama, Dominican Republic, Canada.
Guyana, Bolivia, Suriname, Argentina, Ecuador, Peru, Colombia, Chile, Paraguay, Venezuela, Uruguay, Brazil.
