Duplex Steel S31803 Flanges Manufacturer in Texas, USA

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Elvis Nickel Alloys is a reliable company in Houston, USA, renowned for the production and supply of superior-grade Duplex Steel Flanges S31803. Made to provide maximum strength and resistance to corrosion, the flanges conform to international quality norms and are offered in different pressure classes and sizes. Constructed to perform in challenging environments, Elvis Nickel Alloys‘ S31803 flanges maintain an excellent balance between strength and flexibility. The dedication of the company to technical accuracy and customer satisfaction guarantees that these flanges are the perfect choice for industrial piping systems under corrosive and high-pressure conditions.

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Duplex Steel S31803 flanges consist of about 22% of chromium, 5–6.5% of nickel, 3% of molybdenum, and a trace amount of nitrogen, improving pitting and crevice corrosion resistance. Mechanically, they exhibit high yield strength (~450 MPa) and tensile strength (~620 MPa) with good elongation and impact toughness. The austenitic-ferritic balance structure gives enhanced fatigue resistance and thermal conductivity. They also resist chloride-induced stress corrosion and are well suited for chemical and marine use. Their mechanical integrity and hardness endure even under alternating pressure and temperature conditions.

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 Texas, USA

At Elvis Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Flanges in Texas, USA, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the USA, 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 Flanges S31803 are widely applied in desalination facilities, heat exchangers, pressure vessels, marine conditions, and offshore drilling rig platforms. Since they possess great corrosion resistance in oxidizing and reducing atmospheres, they are preferred in acid and chloride processing. They are also prevalent in pulp and paper mills and high-pressure piping. Their durable construction and erosion as well as abrasion resistance provide them with long life of operation. Elvis Nickel Alloys offers customized solutions for industries demanding high-quality, leak-proof, and corrosion-resistant flange systems with enhanced weldability and mechanical reliability.

Duplex Steel S31803 Flanges Manufacturer in Texas, USA

Table of Contents

Duplex Steel S31803 Flanges Specifications

Duplex Steel S31803 Flanges Chemical Composition