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 31803 Fasteners are high-quality bolts, screws, or nails made from Duplex 31803 stainless steel, known for its exceptional strength and corrosion resistance. These fasteners are commonly used in various industries, including construction, marine, and chemical processing, where durability and reliability are paramount. With their superior properties, Duplex 31803 Fasteners provide dependable fastening solutions for demanding applications.

At Sumit Impex, we carefully evaluate our Duplex 31803 Fasteners to ensure top-notch performance. These include various tests like hardness, chemical analysis, PMI (Positive Material Identification) testing, and corrosion resistance checks. We provide comprehensive documentation, including a commercial invoice, packaging list, Certificate of Origin, and Third-Party Inspection Certificate, to guarantee client satisfaction and uphold the quality of our products.

Duplex S31803 Fasteners

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
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 31803 Fasteners Types

Stud Bolts

Stud Bolts







Duplex 31803 Fasteners Equivalent Grades

Duplex 2205 S31803 1.4462

Duplex 31803 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 31803 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 %

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Duplex 31803 Fasteners Applications

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.