Home > Super Duplex Steel > Super Duplex Steel Nuts S32750
Okoye Nickel Alloys is a leading manufacturer and supplier of Super Duplex Steel Nuts S32750 in Kinshasa, Congo. Our S32750 nuts are engineered to deliver outstanding performance in extreme conditions, offering exceptional strength and superior corrosion resistance. Ideal for applications in the oil and gas industry, chemical processing, and marine environments, these nuts resist pitting, crevice corrosion, and stress corrosion cracking. With a commitment to quality and precision, Okoye Nickel Alloys ensures that each product meets rigorous international standards, providing reliable and durable fastening solutions. Trust us for high-quality Super Duplex Steel Nuts S32750 that excel in demanding and corrosive environments, ensuring long-lasting and effective performance.
| Standard | : | ASTM A193 / A479, ASME SA193 / A479 |
| Dimension | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Nut Size | : | M02 to M33 | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Hex Nut, Heavy Hex Nut, Lock Nut, Nylock Nut, Weld Nut, Dome Nut, Flange Nut, Square Nut, Eye Nut etc. |
| C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
| 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. |
**Super Duplex Steel S32750 Nuts** are made up of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen (0.24–0.32%), along with small amounts of tungsten, manganese, and silicon. This well-balanced dual-phase microstructure (austenitic-ferritic) provides impressive tensile strength of around 800 MPa and yield strength of about 550 MPa. The material is highly resistant to pitting, crevice corrosion, and chloride stress corrosion cracking. **S32750 Nuts** also boast excellent toughness, fatigue strength, and stability, even at elevated temperatures, ensuring dependable performance in extreme operating conditions.
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**Super Duplex Steel S32750 Nuts** find extensive application in industries that demand superior corrosion resistance and high mechanical strength. They are particularly suited for offshore oil and gas platforms, subsea equipment, and heat exchangers, where they frequently encounter seawater and chlorides. In the chemical and petrochemical sectors, they are utilized in reactors, process piping, and storage tanks. The marine, desalination, and paper & pulp industries also depend on these nuts for their remarkable durability and minimal maintenance requirements. Their strength and corrosion resistance make them ideal for high-pressure, high-temperature applications.
