Duplex Steel S31803 Circles

Duplex Steel S31803 Circle, also known as UNS S31803, is a kind of duplex stainless steel characterized by both austenitic and ferritic stainless steel properties. It usually has 21-23% chromium, 4. 5-6. Chromium is from 5% nickel, up to 0. 3% nitrogen, and an equiaxed grain structure of approximately 50% ferrite and 50% austenite.

Chemical Composition of Duplex Steel S31803 Circles

The composition of the Duplex Steel S31803 Circle is crucial for understanding its properties and performance in various industrial applications.

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Fe
Duplex Steel S31803	0.030 max	2.00 max	1.00 max	0.030 max	0.020 max	22 – 23	3 – 3.5	4.50 – 6.50	0.14 – 0.20	63.72 min

Thus, this table provides valuable insight into the chemical composition of these angles, highlighting their properties and suitability.

Mechanical Properties of Duplex Steel S31803 Circles

The table provides essential information for engineers and manufacturers to assess the integrity and durability of the Duplex Steel S31803 Circle in demanding environments.

Density	Melting Point (°C)	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
7.8 g/cm 3	1350 °C (2460 °F)	Psi – 80000 , MPa – 550	Psi – 116000 , MPa – 800	15 %

Thus, this valuable data on the Duplex Steel S31803 Circle's strength, flexibility, and resilience is crucial for ensuring reliability and longevity.

Advantages of Duplex Steel S31803 Circles

These flexible Angles offer numerous benefits for various industrial applications.

High Strength: Duplex Steel S31803 Circle has higher strength than the traditional austenitic stainless steel with a balance of ferritic and austenitic microstructure. This high strength is attributed to a fine grain structure of ferrite and austenite phases.
Excellent Corrosion Resistance: Duplex Steel S31803 Circle is highly resistant to pitting, crevice, and general corrosion, especially in chloride-containing environments.
Good Toughness: Duplex Steel S31803 Circle also has good properties in its toughness and impact strength at high and low temperatures.
Resistance to Stress Corrosion Cracking: Duplex Steel S31803 Circle is also useful in preventing stress corrosion cracking, a significant characteristic of this material when used in settings that experience varying stress and corrosive situations.
Cost-Effective: Compared to other high alloyed stainless steels, Duplex Steel S31803 Circle is more economical and, at the same time, offers excellent performance, which makes it suitable for use in various industries.

Duplex Steel S31803 Circle offers several advantages that make it suitable for industrial and commercial applications.

Applications of Duplex Steel S31803 Circles

Due to its excellent features, the Duplex Steel S31803 Circle is preferred in various industrial applications. Some of the main applications include.

Oil and Gas Industry: Duplex Steel S31803 Circle can be used in the oil and gas industry for applications like pipelines, pressure vessels, and risers where high strength and resistance to corrosion are required.
Chemical Processing: Duplex Steel S31803 Circle is used in chemical processing industries for reactors, heat exchangers, and storage tanks where corrosion and chemical attacks are major issues.
Marine Applications: Duplex Steel S31803 Circle is employed in marine applications for parts such as pumps, valves, and marine hardware, owing to its ability to withstand chloride and seawater corrosion.
Power Generation: S31803 Duplex Steel Circle is used in the power generation industry for parts of steam generators and turbines where high strength and ability to withstand severe service conditions are desired.

Duplex Steel S31803 Circles are applied across various industries due to their valuable features, which make them versatile.