What are Duplex Steel S31803 Pipes?

The Duplex Steel S31803 Pipes at Hindco Steel And Alloys are top-quality pipes designed to serve most stringent industrial requirements. Known by its standardized grade all over the world, the ASTM ASTM A790 can be described as pipes that have an outstanding performance in applications that require strength, durability and resistance to corrosion. Its well balanced austenitic-ferritic microstructure is perfectly balanced to have all the desirable properties of both stainless steel families and hence it is used in critical applications in chemical processing, offshore drilling, marine industries and petrochemicals.

Duplex Steel S31803 Pipes Specification Chart
Duplex Steel S31803 Pipes Chemical Composition
Duplex Steel S31803 Pipes Mechanical Properties
Application Of Industries
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Duplex Steel S31803 Pipes have been known to exceed in their mechanical strength by almost twofold as compared to the typical austenite stainless steel standards such as 304 and 316. This is an excellent strength-to-weight ratio, and hence it can be used in load-bearing parts and high pressure systems. Moreover, the pipes have a high level of resistant to chloride-based stress corrosion cracking, pitting, and corrosion-damage crevices, particularly hostile as well as corrosive places like seawater and acidic fluids.

UNS S31803 Pipes will be provided by Hindco Steel And Alloys which are produced according to the international standards and guarantee consistency and high-quality. Such pipes can be offered as seamless and welded pipes, and their sizes can vary between 12 inch NB to 24 inch NB. Duplex S31803 Pipes have lower cost, better durability, and long service life period, making it the most suitable option when it comes to high-pressure transmission, the heat exchanger or subsea pipelines.

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

Duplex S31803 Pipes conform to ASTM, ASME, and other global standards such as EN 10216-5 and NACE MR0175, making them universally accepted in diverse engineering projects. Choose Hindco Steel And Alloys as your trusted supplier for ASTM A790 Duplex Steel S31803 Pipes, where quality meets precision and reliability. Our customer-centric approach, advanced infrastructure, and industry expertise make us a reliable partner for all your stainless steel piping needs.

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Specifications Of Duplex Steel S31803 Pipes

Specifications :	ASTM A790, A789 / ASME SA790, SA789
Seamless Size :	1 / 8" NB - 24" NB
ERW Size :	1 / 8" NB - 36" NB
EFW Size :	6" NB - 100" NB
Outer Diameter :	6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB
Length :	Single Random, Double Random & Required Length
Schedule :	SCH20, SCH30, SCH20, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Types :	Seamless / ERW / EFW / Welded / Fabricated / LSAW Pipes
Form :	Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes

Chemical Composition Of Duplex Steel S31803 Pipes

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

Mechanical Properties Of Duplex Steel S31803 Pipes

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

Construction

Petrochemical

Aerospace

Refineries

Chemical

Oil & Gas

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