Duplex Steel S31803 Tubing Manufacturer in Mumbai, India

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Mumbai-based Jyoti Steels is a well-known manufacturer and supplier of Duplex Steel S31803, a high-strength alloy renowned for its higher strength and resistance to corrosion. With a firm commitment to quality and accuracy, Jyoti Steels supplies products that adhere to international standards and cater to critical sectors like oil & gas, marine, chemical processing, and power generation. Their Duplex S31803 products cover sheets, plates, pipes, tubes, and fittings, with the capability to operate efficiently under harsh conditions. Jyoti Steels is a well-known brand in local and global markets for duplex stainless steel solutions.

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Duplex Steel S31803 comprises around 21–23% Chromium, 4.5–6.5% Nickel, 2.5–3.5% Molybdenum, and 0.14–0.2% Nitrogen, with the balance being Iron. Minor constituents are Manganese (≤2%) and Silicon (≤1%). This alloy possesses high tensile strength of 620–880 MPa, yield strength of about 450 MPa, and elongation of 25–30%. It has a density of 7.8 g/cm³ and a melting point of about 1350°C. The duplex structure of ferrite and austenite phases with balanced composition provides superior resistance to pitting, stress corrosion cracking, and general corrosion and is therefore ideal for high-pressure and chloride-containing environments.

Duplex Steel S31803 Tubing Specifications

Specifications : ASTM A789 ASME SA789
Dimensions : ASTM, ASME and API
Tube Size : 1/2″NB TO 12 “NB IN
Specialized in : Large Diameter Size
Schedule : SCH20, SCH30, SCH40, STD, SCH80
Type : Seamless / ERW / Welded / Fabricated
Form : Round, Hydraulic Etc
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End, Treaded

Duplex Steel S31803 Tubing Chemical Composition

S31803 CNPSiMnMoFeCrSNi
1.00.030.022.03.0 – 3.522.0 – 23.00.034.5 – 6.50.14 – 0.2Bal

Duplex Steel S31803 Tubing Mechanical Properties

S31803 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %

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Largest Manufacturer and Supplier of Duplex Steel S31803 Tubing in Mumbai, India

At Jyoti Steels, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Tubing in Mumbai, 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 Tubing

Duplex Steel S31803 Tubing
Duplex Steel S31803 Condenser Tubing
Duplex Steel S31803 Seamless Tubing
Duplex Steel S31803 Welded Tubing
Duplex Steel S31803 ERW Tubing
Duplex Steel S31803 Round Tubing

Contact us to get a quick quote for your requirement.

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

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Duplex Steel S31803 Tubing Uses

Duplex Steel S31803 is widely applied where there is a need for high mechanical strength and superior corrosion resistance. In the oil and gas sector, it is applied in pressure vessels, pipelines, and offshore platforms. Marine uses include propeller shafts, seawater cooling systems, and desalination plant applications. It is also utilized on a large scale in chemical processing for heat exchangers, tanks, and chemical transport systems. Power stations and pulp & paper mills take advantage of its erosion resistance and corrosion resistance in hostile conditions. Its weldability, strength in fatigue, and toughness qualify S31803 as the perfect choice for structural parts in aggressive industrial environments.

Aerospace Industry

Defense Industy

Food Processing Industry

Construction Industry

Oil and Gas Industry

Petro Chemical Industry