Super Duplex Steel Fasteners in Connecticut
Super Duplex Steel Fasteners in Connecticut, ASME SA479 Super Duplex Steel Fasteners Stockist in Connecticut, Super Duplex Steel Fasteners Supplier in Connecticut.
Renine Metalloys is a leading Super Duplex Steel Fasteners supplier and exporter in Connecticut. Known for strength and corrosion resistance, these fasteners are made from a high-performance alloy. Super Duplex Steel contains around 25% chromium, 4% molybdenum, and 7% nickel. This composition gives fasteners excellent durability and makes it ideal for demanding environments. As an ISO certified company, we follow strict quality standards.
Super Duplex Steel Fasteners are built to last. They resist pitting, crevice corrosion, and stress corrosion cracking—common problems in seawater and chemical environments. We offer a wide range of fasteners including nuts, bolts, screws, sockets, studs, washers, anchors, and stud bolts. All fasteners are made to ASTM A479 and ASME SA479 standards. Sizes range from M02 to M33, and lengths go from 3 mm up to 200 mm. We also offer custom sizes on request.
These fasteners are used in offshore platforms, desalination units, chemical processing and structural work that require high strength and resistance against corrosion. Super Duplex fasteners are capable of withstanding heavy pressure and extremely adverse temperatures. They are stable and secure under worst working conditions which make them a trusted option in crucial projects.
We provide fasteners as per DIN, ASTM, BS, and other international standards. They undergo quality testing such as mechanical testing, hardness testing, and PMI (Positive Material Identification). For safe transportation, we pack them in cartons, small boxes, pallets or as per the customer needs. Our quality, accuracy and service focus has made us a trusted Super Duplex Steel Fasteners exporter in Connecticut.
Super Duplex Steel Fasteners Specification
| Specifications | Details |
| Standard | ASTM A479, A182 / ASME SA479, SA182 |
| Dimension | DIN, ISO, ASTM, JIS, BS, GB, IS and all International Standards |
| Size Range | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Length | 3 mm to 200 mm |
| Types | 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. |
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Types of Super Duplex Steel Fasteners in Connecticut

Bolt
Super Duplex Steel Bolt in Connecticut
Nuts
Super Duplex Steel Nut in Connecticut
Screw
Super Duplex Steel Screws in Connecticut
Washer
Super Duplex Steel washer in Connecticut
Stud Bolt
Super Duplex Steel Stud Bolts in Connecticut
Anchor Bolt
Super Duplex Steel Anchor Bolts in Connecticut
Super Duplex Steel Fasteners Equivalent Grades in Connecticut
| STANDARD | UNS | WNR. |
| Super Duplex Steel 2507 | S32750/S32950 | 1.4410 |
| Super Duplex Steel S32750 | S32750 | 1.4410 |
| Super Duplex Steel S32760 | S32760 | 1.4410 |
Super Duplex Steel Fasteners Chemical Composition in Connecticut
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| 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 |
| 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 |
Super Duplex Steel Fasteners Mechanical Properties in Connecticut
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32750 | 7.8 | 0.281 | 1350 | 2460 |
| S32760 | 7.8 | 0.281 | 1350 | 2460 |
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