Super Duplex Steel S32750/S32760 Fasteners
Sankalp Alloys Overseas manufactures and supplies of Super Duplex S32750 and S32760 Fasteners. A fastener is a hardware product that mechanically links or attaches two or more objects together, typically creating non-permanent joints. This means the joints can be easily removed or pulled apart without damaging the joining components.
These Super Duplex UNS S32750 fasteners are usually made from a material comprising chromium, nickel, molybdenum, copper, tungsten, and nitrogen. For permanent joints, welding is used, while for temporary joints, fasteners are employed. These fasteners are ideal for use in aggressive environments due to their high pitting resistance equivalent number. This grade of super duplex features a ferritic-austenitic microstructure, with the alloy consisting of half ferrite in the annealed condition. Super Duplex UNS S32760 also has a super duplex microstructure, combining the high strength of ferritic grades with the corrosion resistance of austenitic grades.
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Super Duplex S32750 Fasteners are made from a mixture of ferrite and austenite alloys. One of the many benefits of Super Duplex Steel S32760 Fasteners is their exceptional resistance to corrosion. These fasteners include 25% chromium, 4% molybdenum, and 7% nickel, providing exceptionally high resistance to pitting corrosion, corrosion fatigue, and crevice corrosion. They also offer high resistance to chloride ion stress cracking.
Super Duplex S32760 Square Nuts have extremely high mechanical strength, with a minimum tensile strength of 125 ksi and a minimum yield strength of 82 ksi. The Super Duplex Screws are used in high-stress applications such as process and service water systems, ballast water systems, and water desalination facilities. Super Duplex S32760 Washers can bear heavy loads and mechanical stress, performing well in marine and seawater settings. The use of Super Duplex Steel S32750 Fasteners should be limited to applications below 600 degrees F (316 degrees C).
Sankalp Alloys Overseas ensures that our Super Duplex UNS S32750 Fasteners meet the highest standards of quality and performance, catering to the diverse needs of our global clientele with precision and reliability.
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S32750/S32760 Super Duplex Steel ASTM A182 Fasteners Equivalent Grades
| STANDARD | UNS | WNR. |
|---|---|---|
| Super Duplex Steel 2507 | S32750 / S32760 | 1.4410 |
Specification of Super Duplex Steel Fasteners
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.
Chemical Alloyion of Super Duplex Steel S32750/S32760 Industrial Fasteners
| C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
Mechanical Properties Of ASME SA182 Super Duplex Steel Bolts & Nuts
| Ultimate Tensile Strength, ksi | 116 min. |
|---|---|
| 0.2% Offset Yield Strength 0.2%, ksi | 80 min. |
| 0.1% Offset Yield Strength 0.2%, ksi | 91 min. |
| Elongation in 2 inches, % | 15 min. |
| Hardness Rockwell C | 32 max. |
| Impact Energy, ft.-lbs. | 74 min. |
Physical Properties of UNS S32750 & S32760 Super Duplex Fasteners
| Density | lb/in3 | 0.28 |
|---|---|---|
| Modulus of Elasticity | psi x 106 | 29 |
| Coefficient of Thermal Expansion 68-212°F/°F |
x10-6/°F | 7.2 |
| Thermal Conductivity | Btu/h ft °F | 8.7 |
| Heat Capacity | Btu/lb/°F | 0.12 |
| Electrical Resistivity | W-in x 10-6 | 31.5 |
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