Duplex Steel S31803 Flanges Manufacturer in Abuja, Nigeria

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Victor Nickel Alloys is a well-respected manufacturer and supplier located in Abuja, Nigeria, focusing on top-notch Duplex Steel S31803 Flanges for a variety of industrial and marine uses. These flanges are celebrated for their remarkable strength, durability, and exceptional resistance to corrosion, especially in environments rich in chlorides and under high pressure. With a commitment to precision engineering and adherence to international standards, Victor Nickel Alloys ensures that their Duplex Steel S31803 Flanges deliver outstanding performance, precise dimensions, and a long lifespan. Their dedication to quality and customer satisfaction has earned them a trusted reputation both in Nigeria and in global markets.

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The composition of Duplex Steel S31803 Flanges includes around 22% chromium, 5–6% nickel, 3% molybdenum, along with small amounts of nitrogen and other alloying elements that boost their corrosion resistance and mechanical strength. This alloy boasts a tensile strength ranging from 620 to 720 MPa and shows remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. Thanks to its duplex microstructure, which features both ferritic and austenitic phases, these flanges offer a fantastic blend of high strength, good ductility, and excellent weldability, making them perfect for demanding industrial applications that face extreme temperatures and pressures.

Duplex Steel S31803 Flanges Specifications

Specifications	ASTM A182 / ASME SA182
Size	1/8″ NB TO 48″ NB
Standards	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standard	ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Grades	S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61

Duplex Steel S31803 Flanges Chemical Composition

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

Duplex Steel S31803 Flanges Mechanical Properties

Grades	Density (g/cm 3)	Density (lb/in 3)	Melting Point (°C)	Melting Point (°F)
S31803	7.805	0.285	1420 – 1465	2588 – 2669

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Largest Manufacturer and Supplier of Duplex Steel S31803 Flanges in Abuja, Nigeria

At Victor Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Flanges in Abuja, Nigeria, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Nigeria, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.

Types of Duplex Steel S31803 Flanges

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

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Duplex Steel S31803 Flanges Uses

Duplex Steel S31803 Flanges find extensive use in offshore oil and gas platforms, chemical processing equipment, seawater cooling systems, and desalination plants, all due to their outstanding corrosion resistance and strength. They are also utilized in the pulp and paper processing, power generation, and marine engineering sectors, where long-lasting durability and reliability are crucial. These flanges provide leak-proof and robust connections in high-stress situations. The combination of mechanical performance, corrosion resistance, and toughness makes Duplex Steel S31803 Flanges a fantastic choice for challenging industrial and marine operations.

Duplex Steel S31803 Flanges Manufacturer in Abuja, Nigeria

Table of Contents

Duplex Steel S31803 Flanges Specifications

Duplex Steel S31803 Flanges Chemical Composition