Duplex Steel S31803 Industrial Fasteners, Duplex S32205 Fasteners, High Quality Duplex Steel S31803 Fasteners, Duplex Steel S32205 Nuts, Dimensions of ASME B18.2.1 Duplex Stainless Steel S32205 Heavy Hex Bolt, Duplex Steel S31803 Stud, Duplex S31803 Washer, Duplex Steel S32205 Screw, Duplex S31803 Bolts Supplier In Mumbai, India.
DIN 1.4462 Fasteners, UNS S31803 Fastener, S32205 Duplex Half and Full Threaded Stud Bolts Stockist, Duplex Steel S32205 Hex Nuts, Duplex S31803 Square Washers, Saf 2205 Duplex Steel Fasteners, Duplex S32205 J / U Bolts, Ferritic Stainless Steel S31803 Coupling Nuts, Duplex S32205 Flat Washer Stockholder, S31803 Duplex Steel Head Cap Screws Exporter in India.
Valour Alloys Inc., we carry a full inventory and Supply Duplex Steel Fasteners products in a variety of sizes widely used for marine applications due to their excellent resistance to seawater corrosion, low macrofouling rates, and good fabricability.
Duplex Stainless Steel Fasteners (SAF 2205 or UNS S31803) or Super Duplex Stainless Steel Fasteners (SAF 2507 or UNS S32750) are grades of Stainless Steel often needed in the fight against corrosion when 316 grade just isn't enough, such as being constantly submerged in salt-water .
Duplex steel fasteners are a type of metallic hardware widely used in various industrial applications, known for their exceptional corrosion resistance, high strength, and durability. Duplex steel itself is a family of stainless steels with a two-phase microstructure consisting of both austenitic (chromium-nickel) and ferritic (chromium-iron) phases. This dual-phase structure provides a unique combination of properties, making duplex steel fasteners particularly well-suited for demanding environments where corrosion and mechanical stress are significant factors.

Duplex Steel Fasteners Manufacturer

Duplex Steel Fasteners Exporter
Duplex Steel Bolts, Duplex Steel Nuts, Grade 2205 Hex Bolts Dealer, UNS S31803 Hex Nuts, Duplex Steel Fasteners Stockist, SUS Dome Washer, INOX Fasteners Wholesaler, Duplex Steel Heavy Hex Nuts, ASME SF 594 Nuts, Duplex Steel Threaded Rod, Duplex Steel Fasteners Supplier in Mumbai, India.
Corrosion Resistance: Duplex steel fasteners exhibit excellent corrosion resistance, particularly in harsh environments such as those with high chloride content. This makes them suitable for applications in chemical processing, oil and gas, marine, and other corrosive environments.
High Strength: Duplex steel fasteners have a higher strength compared to traditional austenitic stainless steels. This attribute allows for the use of smaller-sized fasteners without compromising load-bearing capacity, providing potential cost savings and reduced weight in structural applications.
Durability: The dual-phase structure of duplex steel imparts superior toughness and durability, making these fasteners resistant to cracking, pitting, and stress corrosion. This durability is especially beneficial in applications where the fasteners are subjected to mechanical stress and vibrations.
Wide Temperature Range: Duplex steel fasteners maintain their mechanical properties over a broad temperature range, making them suitable for applications involving both cryogenic and elevated temperatures.
Versatility: Duplex steel fasteners find applications in a variety of industries, including chemical processing, oil and gas, pulp and paper, desalination, and marine engineering. They are used in critical structures like pipelines, pressure vessels, and offshore platforms.
It's important to note that the specific composition of duplex steel can vary, with common grades including Duplex 2205 (UNS S31803/S32205) and Super Duplex 2507 (UNS S32750). The selection of a particular grade depends on the specific requirements of the application.
Duplex steel fasteners offer a compelling combination of corrosion resistance, high strength, and durability, making them a preferred choice in demanding industrial settings where reliability and performance are paramount.
Duplex Steel Fasteners Range
Stud Bolt Specifications | ASTM A479 & ASME SA479 |
Stud Bolt Dimensions | ASTM,DIN, BS,GB, IS and all International Standards |
Stud Bolt Length | 3 mm to 200 mm |
Stud Bolts Size | M02 to M33 | Custom Sizes |
Stud Bolt Type | Stud Bolts, Heavy Stud bolt, Tie Bar, Tie Rod, Continuous Threaded Stud Bolts (Fully Threaded Studs without Chamfered Ends), Tap End Stud Bolts, Double End Stud Bolts, Double End Stud Bolts with Reduced Shank, Flange Stud Bolts (Fully Threaded Studs with Chamfered Ends), MS Stud Bolts, Metric Thread Stud Bolt, Rough Forged Stud Bolts, Stud Half Thread Bolts etc. |
Stud Bolts Coating |
Duplex Steel Fasteners
ASTM A193 / A194 Duplex Steel Stud Bolt | ASTM A193 / A194 Duplex Steel Bolts |
ASTM A193 / A194 Duplex Steel Punched Washer | ASTM A193 / A194 Duplex Steel Pan Head Screw |
ASTM A193 / A194 Duplex Steel Square Nut | ASTM A193 / A194 Duplex Steel Insert Nuts |
ASTM A193 / A194 Duplex Steel Welding Studs | ASTM A193 / A194 Duplex Steel Pan Head Screw |
ASTM A193 / A194 Duplex Steel Cap Screw | ASTM A193 / A194 Duplex Steel Foundation Bolts |
ASTM A193 / A194 Duplex Steel Threaded Rod | ASTM A193 / A194 Duplex Steel Hex Head Bolts |
ASTM A193 / A194 Duplex Steel Nuts | ASTM A193 / A194 Duplex Steel Washers |
ASTM A193 / A194 Duplex Steel Fender Washer | ASTM A193 / A194 Duplex Steel Lock Nut |
ASTM A193 / A194 Duplex Steel Countersunk Slotted Screw | ASTM A193 / A194 Duplex Steel Double Ended Stud |
Types Of Duplex Steel Fasteners
Chemical Composition of Duplex Steel Fasteners
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 |
S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Mechanical Properties of Duplex Steel Fasteners
S31803 / S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Equivalent Grade of Duplex Steel Fasteners
Duplex | Common Name | Related Specifications | ||
European DIN | UNS | ASTM/ASME | ||
Duplex Steel S31803/S32205 | SAF 2205® | 1.4462 | S31803/S32205 | F51/F60 |
Other Available Duplex Steel Fasteners
Duplex Steel S31803 Nuts | S31803 Duplex Industrial Fasteners |
Duplex Steel S31803 Bolts | Duplex 2205 T-Head Bolts Manufacturer |
Duplex Steel S31803 Screw | Duplex S31803 Eye Bolt Exporter |
Duplex Steel S31803 Washer | Duplex Steel S31803 Hex Nuts |
Duplex Steel S31803 Studs | UNS S31803 Duplex Steel Cap Nuts |
UNS S31803 Duplex Steel Square Nut | UNS S31803 Duplex Ogee Washers |
Duplex Steel S31803 Fastener | Duplex S31803 Slotted Nuts |
Duplex 1.4462 Fasteners Stockist | Ferritic Stainless Steel S31803 U Bolts |
UNS S31803 Duplex Steel Machine Screw | UNS S31803 Duplex Cap Screw Suppliers |
Duplex S31803 Socket Head Cap Screw | Duplex 2205 Socket Hexagon Head Screw |
Duplex Steel S31803 Wing Screw Supplier | Duplex Steel S31803 Pan Head Screw |
Duplex Stainless Steel S31803 Coupling Nuts | UNS S31803 Duplex Steel T-Head Bolts |
SAF 2205 Duplex Allen Cap Screw Wholesaler | Duplex S31803 Stud Bolts |
Duplex S31803 Split Lock Washers | Duplex Steel 2205 Machine Screws |
Duplex Steel Fasteners Application
- Oil and Gas equipments
- Offshore Technology
- Seawater Desalination Plants
- Chemical Industry
- Airport, Malls, Buildings
- Storage Tanks
- Medical Industry
- Civil Engineering
- Pressure vessels, Reactor tanks, and Heat exchangers
- Rotors, impellers and shafts
- Power Plants
- Petrochemical
- Shipbuilding Industry
- Mining Industry
- Food Equipments Industry
Test Certificates
We Duplex Steel Fasteners with the following details Mill Test Certificate according to EN 10204 3.1, PMI Test, Test Report from NABL Approved Lab, 3.2 Certification by External Testing Authority third, ultrasonic test report, and X-ray report.
Quality Assurance
At Duplex Steel Fasteners all types such as Duplex Steel UNS S31803 Flanges, Duplex Steel UNS S32205 Flanges from raw material purchase to production and product shipping. They are visually inspected for compliance with ASTM, ASME, DIN, EN and JIS codes and standards. We can also designate certified official testing agencies upon customer request so that they can witness the product's material, size and quality compliance reports.
Marking & Packing
Our Duplex Steel Fasteners is packaged to ensure no damage during transit. In the case of export, the standard export packing is in a wooden box. All Duplex Steel Fasteners are marked with our grade, batch number, size and mark. We can also do custom branding on our products as per buyer's unique requirements
Supplying Duplex Steel Fasteners to Countries -
We Export Duplex Steel Fasteners to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East Etc.
Distributing Duplex Steel Fasteners to Cities -
We Export Duplex Steel Fasteners to Navi Mumbai, Indore, Baroda, Muscat, Secunderabad, Gimhae-si, Kanpur, Colombo, Kuala Lumpur, Bhopal, Pimpri-Chinchwad, Rajkot, Haryana, Hanoi, Ernakulam, Chandigarh, Surat, Los Angeles, Hong Kong, Ahmedabad, Perth, Petaling Jaya, Hyderabad, Mumbai, Algiers, Edmonton, Ludhiana, Ho Chi Minh City, Karachi, Bangkok, Dallas, Bengaluru, Jakarta, Granada, Seoul, Cairo, Geoje-si, Rio de Janeiro, Abu Dhabi, Port-of-Spain, Sydney, London, Courbevoie, Vung Tau, Sharjah, Jaipur, Lahore, Chennai, Istanbul, Lagos, Thane, Dubai, Coimbatore, La Victoria, Calgary, Jeddah, Busan, Mexico City, Al Khobar, Caracas, Singapore, Atyrau, Manama, Kolkata, Riyadh, Jamshedpur, Brisbane, Toronto, Noida, Ahvaz, Vadodara, Doha, Visakhapatnam, Ulsan, New Delhi, Gurgaon, Bogota, Howrah, Moscow, Nashik, Ranchi, Nagpur, Al Jubail, Houston, Milan, Chiyoda, Aberdeen, Melbourne, New York, Dammam, Montreal, Santiago, Kuwait City, Pune, Tehran, Thiruvananthapuram, Faridabad, Madrid, Ankara Etc.