The Super Duplex SS Fastener is the ideal option to go with when you are looking for a fastener that is capable of withstanding demanding tasks and severe situations. Designed for sectors such as offshore drilling, maritime building, and chemical processing, where durability and strength are absolutely vital.
Made from an unusual combination of ferrite and austenite, it has twice the strength of ordinary stainless steel. Additionally, elements like molybdenum, nitrogen, and chromium make it highly resistant to corrosion, rust, and extreme temperatures. This implies it can handle saltwater, chemicals, and high-pressure conditions without breaking down.
The Super Duplex SS Fastener maintains great strength regardless of the surroundings: underwater, in hot climates, or in industrial settings. Built to last, it provides comfort, knowing your tools remain safe.
The Super Duplex SS Fastener will not let you down if you require a strong, dependable fastener designed to operate under the toughest situations.
STANDARD | UNS | WNR. |
Super Duplex Steel 2507 | S32750 / S32760 | 1.4410 |
Specification : 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.
C | Cr | Ni | Mo | N | Others |
0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
Ultimate Tensile Strength, ksi | 0.2% Offset Yield Strength 0.2%, ksi | 0.1% Offset Yield Strength 0.2%, ksi | Elongation in 2 inches, % | Hardness Rockwell C | Impact Energy, ft.-lbs. |
116 min. | 80 min. | 91 min. | 15 min. | 32 max. | 74 min. |
Density | Modulus of Elasticity | Coefficient of Thermal Expansion 68-212°F/°F | Thermal Conductivity | Heat Capacity | Electrical Resistivity |
lb/in3 | psi x 106 | x10-6/°F | Btu/h ft °F | Btu/lb/°F | W-in x 10-6 |
0.28 | 29 | 7.2 | 8.7 | 0.12 | 31.5 |
We are an ISO certified company with exports spanning across the globe. Our long standing success is attributed to impeccable quality and the most comprehensive range of steel products we deliver.
We believe in cultivating long run business relationships will our clients. That’s why we offer the most competitive pricing in the industry.
We have powerful sourcing network and can deliver products to any part of the globe. We will meet your requirements, on time, every time!