Duplex / Super Duplex Fasteners Supplier

ASTM A193 Duplex Steel Fasteners, Super Duplex Fasteners, Duplex Steel Industrial Fasteners, Super Duplex Bolts, Duplex Steel Washers, Super Duplex Anchor Fasteners, Duplex Steel Nuts, Super Duplex Screws, Duplex Steel Threaded Rods, Super Duplex Fasteners Manufacturer in Mumbai India.

Duplex Steel Fasteners

Super Duplex S32750 Heavy Hex Bolts, Duplex S32205 U Bolts, Super Duplex Stud Bolts, ASME SA194 Duplex Steel Fasteners Exporter, Duplex Metric Threaded Rods, Duplex S31803 Hex Nuts, Duplex Fastener, Duplex 2205 Spring Washer, Duplex Wedge Type Anchor Bolts, Super Duplex S32760 Ogee Washers, Duplex Machine Screws, Super Duplex 2507 Socket Cap Screws, Duplex Steel Coupling Nuts, Super Duplex Fasteners Supplier in Mumbai India

Sanghvi Overseas is one of India’s leading manufacturers of high quality Duplex and Super Duplex Steel Fasteners which find its application across diverse sectors. Duplex Steel UNS S32205 Fasteners are extensively used in more or less all the industries and in household. Preheating of UNS S32760 Super Duplex Fasteners is not essential apart from to put off compression on cold metal. These UNS S2750 Super Duplex Fasteners have good weldability. Also, our range of these Super Duplex S32950 Fasteners is extensively used in shafts, press rolls, rotors, fans, automobiles, and more. Meanwhile, we offer an inclusive range of fasteners such as S31803 Bolts, S32205 Nuts, S32760 Screws, S2750 Washers, and S32950 Stud. We offer qualitative these UNS S31803 Duplex Steel Fasteners in different sizes and shapes that are being designed as per the national and international standard quality of raw materials. Our Super Duplex Fasteners can be also offered in made to order length sizes and shapes.

Specification of Duplex & Super Duplex Fasteners

Specifications:ASTM A193, A194 / ASME SA193, SA194

Standard: DIN, ASTM, BS and all International Standards

Length: 3 mm to 200 mm

Size: M3 - M56 | 3/6" to 2" | Custom Sizes

Grade: S31803 / S32205 / S32750 / S32760 etc.

Type: Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts etc.

Available Types of Duplex / Super Duplex Fasteners

Duplex / Super Duplex Bolts



ASTM A193/A194 Super Duplex Bolts, Duplex Steel Hex Bolts, Super Duplex U Bolts, Duplex J Bolt, Duplex Steel Bolts Supplier, Duplex Steel Bolts Exporter.
Duplex / Super Duplex Nuts



ASTM A193/A194 Super Duplex Nuts, Duplex Steel Heavy Hex Nuts, Super Duplex Lock Nut, Duplex Steel Square Nuts, Super Duplex Nuts Supplier, Duplex Steel Nuts Exporter.
Duplex / Super Duplex Washers



ASTM A193/A194 Super Duplex Washers, Duplex Steel Plain Washer, Super Duplex Tooth Washers, Duplex Steel Tab Washer, SS Washers Supplier, Duplex Steel Washers Exporter.
Duplex / Super Duplex Screws



ASTM A193/A194 Super Duplex Screws, Duplex Steel Hex Screws, Super Duplex Coach Screws, Duplex Steel Fully Threaded Screws, Super Duplex Screws Supplier, Duplex Steel Screws Exporter.
Duplex / Super Duplex Anchor Fasteners

Anchor Fasteners

Anchor Fasteners

ASTM A193/A194 Super Duplex Anchor Fasteners, Duplex Steel Sleeve Type Anchor Bolts, Super Duplex Wedge Type Anchor Bolts, Super Duplex Anchor Fasteners Supplier, Duplex Steel Anchor Fasteners Exporter.
Duplex / Super Duplex Threaded Rods

Threaded Rods

Threaded Rods

ASTM A193/A194 Super Duplex Threaded Rods, Duplex Steel Metric Threaded Rod, Super Duplex Partially Threaded Rod, SS Threaded Rods Supplier, Duplex Steel Threaded Rods Exporter.

Equivalent Grades of Duplex/Super Duplex Fasteners

Duplex 2205 S31803 / S32205 1.4462
Super Duplex 2507 S32750 / S32760 1.4410

Chemical Composition of Duplex/Super Duplex Fasteners

Grade C Mn Si P S Cr Mo Ni N Fe
Duplex 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 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
Duplex S32750 0.030 max 1.20 max 0.80 max 0.035 max 0.020 max 24.00 – 26.00 3.00 – 5.00 6.00 – 8.00 0.24 – 0.32 58.095 min
Duplex S32760 0.05 max 1.00 max 1.00 max 0.030 max 0.010 max 24.00 – 26.00 3.00 – 4.00 6.00 – 8.00 0.20 – 0.30 57.61 min

Duplex/Super Duplex Fasteners Mechanical Properties

Element Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 / S32205 7.805 0.285 1420 – 1465 2588 – 2669
S32750 / S32760 7.8 0.281 1350 2460

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Export Destinations for Duplex/Super Duplex Fasteners


  Saudi Arabia


  South Africa
  Equatorial Guinea
  The Republic Of Congo


  Costa Rica
  Puerto Rica
  Trinidad And Tobago


  Czech Republic


  South Korea
  Sri Lanka