Super duplex steel fasteners are high-performance with superior corrosion resistance, making them ideal for use in extreme conditions. They are made from a mixture of austenitic and ferritic stainless steel, which gives them impressive mechanical strength and excellent corrosion resistance. Super duplex steel fasteners are widely used in various industries for their outstanding durability and long-lasting performance.

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Super Duplex Steel Fasteners come in various types, including bolts, screws, nuts, studs, washers, and threaded rods. Each type has its unique properties and is designed for specific applications. For instance, bolts are used in construction, while nuts join two or more objects. Studs, on the other hand, are used as a clamp between two objects. The type of fastener chosen usually depends on the application it is meant to serve.

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Super duplex steel fasteners have a wide range of applications, mainly in the chemical, petrochemical, marine, and oil and gas industries, to mention a few. These fasteners are used in environments where high resistance to corrosion, temperature, and pressure is required. They are also commonly used in high-salinity coastal environments or offshore drilling operations, where corrosion resistance is paramount.

One of the primary benefits of super duplex steel fasteners is their durability. These fasteners can withstand extreme temperatures, high pressure, and corrosive environments, making them ideal for use in structures that experience frequent stress and strain. The applications of super duplex steel fasteners include valves and pumps, flanges, heat exchangers, pressure vessels, and chemical injection systems.

Super Duplex Steel Bolts
Super Duplex Steel Nuts
Super Duplex Steel Washers

Super duplex steel fasteners have numerous benefits over conventional fasteners. Their superior corrosion resistance ensures that industries that use them do not incur excessive repair and maintenance costs. Their high strength and toughness make them an ideal choice for use in heavy-duty equipment and structures. These fasteners can also withstand the damaging effects of harsh chemicals and environments, ensuring consistent performance even in harsh conditions.

Super duplex steel fasteners have superior corrosion resistance, excellent mechanical strength, and long-lasting performance. Super duplex steel fasteners come in different types, each designed to fit a specific application. They have wide-ranging applications throughout different industries, gratitude to their durability and resistance to environmental stressors such as high temperatures, pressure and chemical exposure.

Super Duplex Steel Bolts and Nuts Specification

Standard ASTM A789 / ASME SA789
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
Length 3 mm to 200 mm
Threads UNF, BSW, BSF, METRIC, UNC, or as required
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 Stud Bolt length
  • ANSI B 18.2.4 2M
  • as per defined in ASME B18.2.2 Hex nuts
Form Hex, Threading, Square, Round as per Gauge Etc.
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Test Certificate as per EN 10204 / 3.1 Manufacturer Test Certificate
Additional Certifications PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Production Process M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC
Types Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc.

Super Duplex Fasteners Price List

Price List of Super Duplex Steel Fasteners SDSS Fasteners Price in India (INR) Super Duplex Fasteners Price in USD Super Duplex Steel Fasteners Price in UAE (Dirham)
M16 5/8inch Super Duplex Steel Hex Head Bolt Price List ₹ 2,427 $ 28.21 USD 156.27 AED
M8 Super Duplex Steel Hex Flange Nut Price ₹ 1,209 $ 16.19 USD 46.76 AED
SDSS Hex Bolt Price List ₹ 5,770 $ 164.32 USD 475.50 AED
Super Duplex Steel Bolts Price List ₹ 1,797 $ 26.75 USD 77.87 AED
Super Duplex Steel Nut Bolt Price List ₹ 2,677 $ 27.35 USD 59.73 AED
SDSS Nut Bolt Price Per Kg ₹ 6,498 $ 35.00 USD 68.10 AED
Super Duplex Steel Screws Price ₹ 3,747 $ 26.74 USD 96.85 AED
Price of Super Duplex Steel Stud Bolt ₹ 3,157 $ 38.50 USD 139.71 AED
Super Duplex Stainless Steel Fasteners Price List ₹ 3,845 $ 47.43 USD 276.17 AED

Super Duplex Steel Fasteners Technical Data Sheet

Super Duplex Steel Fasteners Manufacturing Process

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Common Types Of Super Duplex Steel Fasteners

Bolts

Super Duplex Steel Bolts

Nuts

Super Duplex Nuts

Screws

Super Duplex Steel Screw

Washers

SDSS Washer

Stud Bolts

Super Duplex Stainless Steel Stud Bolts

Anchor Bolts

Super Duplex Anchor Bolts

Other Type Super Duplex Steel Fasteners

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Super Duplex Steel Fasteners Industrial Application