Home > Duplex Steel > Duplex Steel S32205 Nuts
Duplex Steel S32205 nuts are robust fasteners crafted from a unique blend of austenite and ferrite, giving them impressive mechanical strength and outstanding resistance to corrosion. These nuts stand out for their ability to resist pitting, crevice corrosion, and stress corrosion cracking, particularly in environments rich in chlorides and acids. They merge the durability of austenitic stainless steels with the high yield strength found in ferritic grades, making them perfect for tough applications in industries like chemical processing, oil and gas, and marine operations.
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 Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S32205 Nuts in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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.
These nuts are commonly found in pressure vessels, heat exchangers, desalination plants, marine equipment, and offshore platforms. Their capability to withstand high stress and corrosive conditions makes them ideal for applications involving seawater, acids, and harsh chemicals. With Duplex Steel S32205 nuts, you can count on long-lasting durability, secure fastening, and less maintenance, even in high-pressure and high-temperature settings.
