Top 31803 And 2205 Duplex Stainless Steel Suppliers in Chennai

We are a highly acclaimed company in Chennai in the field of Duplex 31803, 2205 Suppliers. Contact us if you have any questions.

We, “Besteel Alloys”, are one of the eminent suppliers, exporters, and traders of a wide range of Stainless Steel Raw Materials and Industrial equipment. Our company offers a wide assortment of raw materials such as Austenitic, Martensitic Ferritic, Duplex, and Precipitation Hardened Stainless Steel High-Performance Alloys including Nickel alloys, Titanium alloys, Special Alloys, and many more.

What is Duplex Stainless Steel?

Duplex-grade stainless steel alloys have ferritic/austenitic properties, giving these materials superior strength and excellent resistance to oxidation. Super duplex S32750 (2507) and duplex S31803 (2205) stainless steel are two of the most popular types of the duplex-grade family, which also comprises a broad variety of other particular formulas. These stainless steel products have numerous uses in the oil and gas, petrochemical, and chemical processing industries and are incredibly adaptable.

UNS 31803/2205 can be used in a variety of applications including:

Seawater systems
Seawater pumps and valves
Chemical process vessels, piping, and heat exchangers
FGD scrubber systems
Pulp mill digesters, bleach washers
Food process equipment
Oil field piping

What are the characteristics of Duplex 2205?

Duplex 2205 is a nitrogen-improved duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steel. “Duplex” describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. The structure of 2205 duplex stainless steel consists of austenite pools surrounded by a continuous ferrite phase.

High resistance to chloride stress corrosion cracking
Resistance to chloride pitting and crevice corrosion
Good general corrosion resistance
Good sulfide stress corrosion resistance
High Strength
Good weldability and workability

Duplex S31803 and Super Duplex S32750 Performance

Stainless steel grade 2205, commonly known as duplex S31803, is a specified formulation that complies with UNS specification rules. Its usual temperature range is -58 to 572 degrees Fahrenheit (-50 to 300 degrees Celsius); outside of this range, its performance features deteriorate. Particularly, the micro-components of duplex S31803 undergo precipitation with extended exposure to high temperatures, and their ductility is compromised by immersion in extremely cold settings.

Its general capabilities include:

Excellent oxidation resistance
Outstanding performance in marine/seawater environments
Low thermal expansion coefficients
High heat conductivity

Super duplex S32750 (2507) is a variant stainless steel alloy that is primarily used in the oil and gas industry, particularly for offshore platforms, heat exchangers, structural components, and architectural components. Along with very high tensile and yield strength ratings, super duplex S32750 resists stress corrosion cracking extremely well and is pitting resistant, highly weldable, and very versatile.

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