Duplex Steel UNS S31803 Fasteners

When it comes to fasteners used in demanding environments, choosing the right material is crucial. Metcore Steel & Alloys is proud to offer a wide range of high-quality Duplex Steel UNS S31803 Fasteners. Known for their exceptional durability, strength, and corrosion resistance, these fasteners are widely used in various industries such as oil and gas, petrochemical, marine, and construction.

Duplex Steel UNS S31803 Fasteners - High-Quality Industrial Solutions
Duplex Steel UNS S31803 Fasteners

What is Duplex Steel UNS S31803 Fasteners?

Duplex Steel UNS S31803 Fasteners are manufactured using a duplex stainless steel grade, known for its mixed microstructure of austenite and ferrite. This combination gives the material its impressive strength and corrosion resistance, making it ideal for high-stress environments. The alloy composition of UNS S31803 includes chromium, nickel, molybdenum, and nitrogen, which contribute to its outstanding mechanical properties.

Duplex Steel UNS S31803 Fasteners stand out for their ability to resist stress corrosion cracking, pitting, and crevice corrosion, which are common issues in harsh and corrosive environments. These fasteners exhibit excellent mechanical strength while maintaining good weldability and toughness, even at lower temperatures. This makes them suitable for various applications, from offshore drilling rigs to chemical processing plants.

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Advantages of Duplex Steel UNS S31803 Fasteners?

One of the main reasons why industries prefer Duplex Steel UNS S31803 Fasteners Manufacturers is the unique combination of properties they offer. Here are some of the key benefits:

Superior Corrosion Resistance: Duplex Steel UNS S31803 offers exceptional resistance to a variety of corrosive environments, including chlorides, acidic solutions, and seawater, making them ideal for marine and coastal structures.

High Strength: The dual-phase microstructure provides excellent mechanical strength, nearly twice that of regular austenitic stainless steels. This allows for the use of thinner sections in some applications, reducing overall weight without compromising on strength.

Improved Durability: These fasteners are highly durable and can withstand extreme pressures and temperatures, ensuring longevity even in the most demanding environments.

Cost Efficiency: Due to their high strength, Duplex Steel UNS S31803 Fasteners allow for lighter, thinner components, which can reduce material costs. Additionally, their extended lifespan reduces the need for frequent replacements, providing long-term cost benefits.

Good Weldability: Despite their high strength, duplex steel fasteners maintain good weldability, which simplifies installation in various industrial applications.

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Applications and Uses in Different Industries

Industries that operate in harsh environments require reliable fasteners that can perform under extreme conditions. Here’s a look at the various sectors where Duplex Steel UNS S31803 Fasteners Suppliers find their use:

Oil & Gas Industry: In offshore platforms, refineries, and pipelines, corrosion and pressure resistance are critical. Duplex Steel UNS S31803 fasteners are often used for flanges, valves, and pumps in these environments.

Petrochemical Industry: Handling chemicals like sulfuric acid, hydrochloric acid, and other corrosive compounds demands materials with high corrosion resistance. Duplex Steel UNS S31803 fasteners excel in this role, providing safety and reliability.

Marine & Shipbuilding: Saltwater environments are highly corrosive, making Duplex Steel UNS S31803 Fasteners perfect for marine applications like shipbuilding, docks, and coastal infrastructure, where corrosion resistance is essential.

Chemical Processing: In plants where harsh chemicals are processed, fasteners made of Duplex Steel UNS S31803 help to avoid equipment failure due to corrosion and high temperatures.

Desalination Plants: Desalination systems involve the processing of saline water, which is corrosive. Duplex Steel UNS S31803 Fasteners Stockists provide solutions that ensure durability and long-term resistance in such facilities.

Pulp & Paper Industry: This sector involves chemicals and high-pressure processes, where Duplex Steel’s resistance to stress corrosion cracking and erosion makes it a reliable choice.

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Metcore Steel & Alloys is a renowned name when it comes to providing superior-quality Duplex Steel UNS S31803 Fasteners Exporters. Our products are manufactured with precision and adhere to international standards to ensure optimum performance across various industries.

We offer a comprehensive range of fasteners, including bolts, nuts, washers, and screws, to suit your specific requirements. Our experienced team works closely with clients to provide custom solutions that meet the demands of any project, whether small or large-scale.

Duplex Steel UNS S31803 Fasteners are the ideal choice for industries operating in challenging environments. With excellent corrosion resistance, high mechanical strength, and cost efficiency, these fasteners provide the perfect balance of performance and durability. For industries ranging from oil and gas to marine, Metcore Steel & Alloys delivers top-quality solutions to meet your fastening needs.

What Is A Specification Of Duplex Steel UNS S31803 Fasteners?

Specifications ASTM A240 / ASME SA240
Dimension Standard JIS, AISI, ASTM, GB, DIN, EN, etc
Width 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness 0.3 mm to 120 mm
Form Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finishing Hot rolled plate (HR), Cold rolled sheet (CR),2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc.

What Are Equivalent Grades Of Duplex Steel UNS S31803 Fasteners?

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803 / S32205

What Are Chemical Composition Of Duplex Steel UNS S31803 Fasteners?

Grade C Mn Si P S Cr Mo Ni N Fe
S31803 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min
S32205 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21.0 – 23.0 2.50 - 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min

What Are Mechanical Properties Of Duplex Steel UNS S31803 Fasteners?

Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
7.805 0.285 1420 – 1465 2588 – 2669

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