Super Duplex Steel S32750 Circles
Super Duplex Steel S32750 Circle is a grade classified as UNS S32750 and part of the super duplex stainless steel category. It has the characteristics of ferritic and austenitic stainless steels with high chromium content and other additives such as molybdenum and nitrogen. They are generally used with a composition of 25-26% chromium, 6-7% nickel, 3-4% molybdenum and up to 3% nitrogen and are characterised by outstanding mechanical performance.
Chemical Composition of Super Duplex Steel S32750 Circles
The composition of the Super Duplex Steel S32750 Circle is crucial for understanding its properties and performance in various industrial applications.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
Thus, this table provides valuable insight into the chemical composition of these Circles, highlighting their properties and suitability.
Mechanical Properties of Super Duplex Steel S32750 Circles
The table provides essential information for engineers and manufacturers to assess the integrity and durability of the Super Duplex Steel S32750 Circle in demanding environments.
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S32750 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000, MPa – 800 | Psi – 80000, MPa – 550 | 15 % |
Thus, this valuable data on the Super Duplex Steel S32750 Circle's strength, flexibility, and resilience is crucial for ensuring reliability and longevity.
Advantages of Super Duplex Steel S32750 Circles
These flexible circles offer numerous benefits for various industrial applications.
- Outstanding Strength: Super Duplex Steel S32750 Circle also has very high tensile and yield strength, much higher than standard austenitic and ferritic stainless steels. This high strength allows the use of thin sections and cuts down the total weight of structures.
- Superior Corrosion Resistance: It protects against general corrosion, pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-containing solutions. The high chromium, molybdenum and nitrogen content increases its corrosion resistance.
- High Toughness: Super Duplex Steel S32750 Circle exhibits excellent strength and impact properties at elevated and sub-zero temperatures. It is ideal for use in environments subjecting the material to fluctuating temperatures.
- Excellent Weldability: Super Duplex Steel S32750 Circle can be welded using conventional welding processes, but proper welding procedures should be followed to get the right microstructure of the alloy.
- Cost-Effective: Super Duplex Steel S32750 Circle is more cost-effective than other high-alloyed steels and offers high strength and excellent corrosion resistance.
Super Duplex Steel S32750 Circle offers several advantages that make it suitable for industrial and commercial applications.
Applications of Super Duplex Steel S32750 Circles
Due to its excellent features, the Super Duplex Steel S32750 Circle is preferred in various industrial applications. Some of the main applications include.
- Chemical Processing: Super Duplex Steel S32750 Circle is used in chemical processing industries for equipment like reactors, heat exchangers, and storage tanks where the material needs high resistance to corrosion and chemical attack.
- Marine Applications: Super Duplex Steel S32750 Circle is applied in marine applications for the parts in direct contact with seawater, such as pumps, valves, and marine equipment.
- Pulp and Paper Industry: Super Duplex Steel S32750 Circle is used in the pulp and paper industry for parts that come into contact with corrosive chemicals, such as digester and bleaching equipment.
- Power Generation: Super Duplex Steel S32750 Circle is used in power generation industries for parts in steam generators, turbines and other high-stress areas.
- Architectural Features: Super Duplex Steel S32750 Circle is used in architectural applications for structural elements and cladding where durability, corrosion resistance and strength are important.
Super Duplex Steel S32750 Circles are applied across various industries due to their valuable features, which make them versatile.