Home > Duplex Steel > Duplex Steel S32205 Nuts
At Nasir Nickel Alloys in Manama, Bahrain, Duplex Steel S32205 Nuts are engineered to provide exceptional strength, corrosion resistance, and reliability in demanding industrial environments. Made from a carefully balanced duplex stainless steel alloy, these nuts combine the benefits of austenitic and ferritic steels, offering high tensile strength and excellent resistance to stress-corrosion cracking. Designed for critical fastening applications, Duplex Steel S32205 Nuts maintain mechanical integrity and dimensional stability even under aggressive chemical, high-pressure, and high-temperature conditions. Their durability makes them ideal for chemical, petrochemical, offshore, and marine industries where long-term performance is essential.
Duplex Steel S32205 Nuts are composed of approximately 22% chromium, 5% nickel, 3% molybdenum, and a balanced mixture of ferrite and austenite phases. This composition provides high tensile and yield strength while maintaining toughness and ductility. The alloy exhibits excellent resistance to pitting, crevice corrosion, and chloride-induced stress-corrosion cracking. Duplex Steel S32205 Nuts maintain dimensional stability under thermal cycling and mechanical stress, ensuring reliable performance. Their combination of corrosion resistance and mechanical strength makes them ideal for critical fastening applications in challenging industrial conditions.
Material | Specification | Standards | Size | Length |
Duplex Steel S32205 | IS BS ASTM | ASTM / ASME – A/ SA 479 / 479 | 3 mm | M02 to M30 |
| Cr | N | Ni | C | Mn | Si | P | S | Mo | |
|---|---|---|---|---|---|---|---|---|---|
| S31803 | min: 21.0 max: 23.0 | min: 0.08 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 2.5 max: 3.5 |
| S32205 | min: 22.0 max: 23.0 | min: 0.14 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 3.0 max: 3.5 |
|
Grade
|
Tensile Strength
(MPa) min |
Elongation
(% in 50mm) |
Yield Strength
0.2% Proof (MPa) min |
Hardness
Rockwell C (HR C) |
|---|---|---|---|---|
|
UNS-S31803
|
650-880
|
25
|
448
|
|
|
UNS-S32205
|
621
|
25
|
448
|
21 max
|
At Nasir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S32205 Nuts in Manama, Bahrain, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Bahrain, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel S32205 Nuts are widely used in industries where high strength and corrosion resistance are critical. They are essential for chemical processing equipment, including reactors, heat exchangers, and piping systems exposed to chlorides and aggressive chemicals. Power generation plants rely on these nuts for boilers, turbines, and high-pressure piping assemblies. Offshore and marine applications benefit from their superior resistance to seawater and chloride-induced corrosion. Petrochemical and refinery industries use Duplex Steel S32205 Nuts in valves, pumps, and structural assemblies. These nuts provide secure, long-lasting fastening solutions in critical systems operating under high stress, corrosive environments, and elevated temperatures.
