Duplex Steel S31803 Flanges Manufacturer in Delhi, India

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Adarsh Nickel Alloys has established itself as a reliable manufacturer and supplier based in Delhi, focusing on top-notch Duplex Steel S31803 Flanges. Known for their precision in manufacturing and a strong commitment to international standards, the company delivers flanges that boast exceptional strength, durability, and resistance to corrosion. With state-of-the-art production facilities and a talented technical team, Adarsh Nickel Alloys guarantees that every Duplex Steel S31803 Flange meets essential industrial needs. Their dedication to consistent quality, prompt delivery, and customer satisfaction has made them a trusted partner for industries in search of robust and enduring piping solutions for tough and corrosive environments.

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Duplex Steel S31803 Flanges are crafted from a well-balanced austenitic-ferritic alloy that includes chromium, nickel, molybdenum, and nitrogen. This unique blend offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these flanges deliver high tensile and yield strength—almost double that of standard austenitic stainless steels—while also providing good toughness and ductility. They maintain their shape and structural integrity even under high pressure, extreme temperatures, and harsh chemical conditions, ensuring dependable and long-lasting performance in critical piping systems.

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 Delhi, India

At Adarsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Flanges in Delhi, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, 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 industries that demand strength, corrosion resistance, and reliability. They are commonly utilized in sectors like oil and gas, petrochemical, chemical processing, offshore platforms, and marine industries. These flanges are integral to pipelines, pressure vessels, heat exchangers, valve assemblies, and other vital piping systems that face chloride-rich and challenging environments. Their ability to resist stress corrosion cracking, combined with high mechanical strength, makes them an ideal choice for applications where durability and performance are paramount.

Duplex Steel S31803 Flanges Manufacturer in Delhi, India

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Duplex Steel S31803 Flanges Specifications

Duplex Steel S31803 Flanges Chemical Composition