Adinox Overseas is a trusted name in the global stainless steel industry, known for offering high-performance and durable sheet metal solutions for critical applications. One of the standout offerings from our extensive inventory is the Duplex Steel S31803 Plates, engineered to deliver exceptional strength, corrosion resistance, and longevity in demanding environments. These sheets are manufactured using top-grade duplex stainless steel, also known by its UNS S31803 designation and corresponding ASTM A240 standard.

Table Of Contents

At Adinox Overseas, we offer Duplex Stainless Steel Sheets S31803 in a wide variety of thicknesses, widths, and finishes to cater to the unique requirements of our global clientele. Each sheet is produced under strict quality controls and comes with complete mill test certification, ensuring traceability and compliance with industry norms. Our in-house processing capabilities enable us to deliver customized solutions, including cut-to-size sheets and surface finishes like 2B, No. 1, No. 4, and BA.

Duplex Steel S31803 Plates Duplex Steel S31803 Plates Manufacturers, Duplex Steel S31803 Plates Suppliers, Duplex Steel S31803 Plates Stockists, Duplex Steel S31803 Plates Exporters

In terms of specifications, UNS S31803 falls under the ASTM A240 standard for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and general applications. This makes it suitable for high-pressure environments, especially where chloride-induced corrosion is a concern. The dual-phase structure provides better resistance to erosion and fatigue, contributing to the extended lifespan of the components made from this alloy.

Duplex Steel S31803 Plates in India, Duplex Steel S31803 Plates Manufacturers in India, Duplex Steel S31803 Plates Suppliers in India, Duplex Steel S31803 Plates Stockists in India, Duplex Steel S31803 Plates Exporters in India

The Duplex Steel S31803 is a general-purpose duplex stainless steel grade that contains both useful properties of both austenitic and ferritic stainless steels. With its high mechanical property and high corrosion resistant feature, such plates and sheets exhibit high strength, high resistivity to stress corrosion cracking, and high weldability. With such a specific make, Duplex S31803 is an ideal choice for industries that require strong and long-lasting materials for extreme environments.

Duplex Steel S31803 Plates in Mumbai, Duplex Steel S31803 Plates Manufacturers in Mumbai, Duplex Steel S31803 Plates Suppliers in Mumbai, Duplex Steel S31803 Plates Stockists in Mumbai, Duplex Steel S31803 Plates Exporters in Mumbai

Specifications Of Duplex Steel S31803 Plates

Standard	ASME SB709 / ASTM B709
Plate Width	1219mm / 1000mm / 1500mm / 1250mm / 2000mm
Length	2440mm / 2000mm / 3000mm / 2500mm / 6000mm
Thickness	0.1mm - 12mm Thk
Hardness	Hard, Soft, Quarter Hard, Half Hard, Spring Hard etc.
Finish	Cold Rolled Sheet (CR), Hot Rolled Plate (HR)

Chemical Composition for Duplex Steel S31803 Plates

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	21.0 – 23.0	2.50 - 3.50	4.50 – 6.50	0.8 – 0.20	63.54 min

Mechanical Properties Of Duplex Steel S31803 Plates

Grades	Density (g/cm 3)	Density (lb/in 3)	Melting Point (°C)	Melting Point (°F)
S31803	7.8	0.281	1350	2460

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

People Also Search

ASTM A240 Duplex Steel S31803 Plates, Duplex Steel S31803 Plates, UNS S31803 Sheets, Duplex S31803 Plate, Duplex Steel S31803 Shim Sheets, Duplex Steel S31803 Plates Stockist, Duplex Steel S31803 Plates, Duplex Steel 1.4462 Sheets, Duplex Steel S31803 Plates, Duplex S31803 Sheets & Plates Supplier in Mumbai India, ASME SA240 Duplex Steel S31803 Sheet, Duplex Steel S31803 CR Sheets, Duplex Steel S31803 Plates, Duplex Stainless Steel S31803 Sheets, Duplex S31803 Plates, Duplex Steel S31803 Plates Exporter, Duplex Steel S31803 HR Plates, 1.4462 Plates, Duplex Steel S31803 Plates Manufacturer in India.