Duplex Steel S31803 Flanges Manufacturer in Mumbai, India

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Jyoti Steels is a renowned Duplex Steel S31803 Flanges manufacturer and supplier from Mumbai, India. Renowned for quality and innovation, Jyoti Steels provides flanges that are engineered to provide durability, strength, and resistance to corrosion. Manufactured according to international standards, their S31803 flanges are suitable for application in critical piping systems in industries like oil & gas, petrochemicals, marine, and power. With advanced technology and customer-oriented methodology, Jyoti Steels offers secure and effective pipe connecting, valve, and other component connecting solutions for challenging working environments.

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Duplex Steel S31803 Flanges contain chemical composition in terms of Chromium (21–23%), Nickel (4.5–6.5%), Molybdenum (2.5–3.5%), Nitrogen (0.14–0.20%), Manganese (≤2%), and balance Iron. The above alloy combination has high resistance towards pitting, crevice corrosion, and stress corrosion cracking. The flanges have very good mechanical characteristics with a tensile strength of around 620 MPa, a yield strength of 450 MPa, and 25% elongation. Physically, the density is 7.8 g/cm³ with a melting point of around 1400°C. All these characteristics make S31803 flanges ideal for high-temperature, high-pressure service in corrosive conditions, offering both structural strength and durability.

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

GradeCMnSiPSCrMoNiNFe
S318030.030 max2.00 max1.00 max0.030 max0.020 max22.0 – 23.03.0 – 3.54.50 – 6.500.14 – 0.2063.72 min

Duplex Steel S31803 Flanges Mechanical Properties

GradesDensity (g/cm 3)Density (lb/in 3)Melting Point (°C)Melting Point (°F)
S31803 7.8050.2851420 – 14652588 – 2669

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

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

Duplex Steel S31803 Slip-On Flanges
Duplex Steel S31803 Threaded Flanges
Duplex S31803 Weld Neck Flanges
Duplex Steel S31803 Socket Weld Flanges
Duplex Steel S31803 Blind Flanges
Duplex Steel S31803 Lap Joint Flanges

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

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Duplex Steel S31803 Flanges Uses

The Duplex Steel S31803 Flanges find widespread use where there is a need for strong mechanical strength and corrosion resistance. They are best suited for application in offshore and onshore oil and gas facilities, marine engineering, chemical processing plants, and desalination plants. These flanges offer safe, leak-free joints for pipelines, valves, heat exchangers, and pressure vessels. Their superior performance in chloride-containing and acidic conditions also makes them appropriate for application in pulp and paper mills, wastewater treatment, and power generation. The durability, resistance to aggressive media, and strength guarantee trouble-free operation and low maintenance in essential fluid and gas transportation systems.

Aerospace Industry

Defense Industy

Food Processing Industry

Construction Industry

Oil and Gas Industry

Petro Chemical Industry

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Manufacturer of

  • Inconel Pipes
  • Monel Pipes
  • Duplex Steel Pipes
  • Super Duplex Steel Pipes
  • Nickel Alloy Pipes
  • Copper Nickel Pipes
  • Hastelloy Pipes
  • Titanium Pipes
  • Titanium Tubing
  • Tantalum Bars

Supplier of

  • Duplex Steel Bars
  • Monel Tubing
  • Super Duplex Steel Bars
  • Inconel Plates
  • Nickel Alloy Flanges
  • Hastelloy Flanges
  • Inconel Fasteners
  • Duplex Steel Plates
  • Monel Plates
  • Inconel Bars

Exporter of

  • Inconel Sheets
  • Monel Pipe Fittings
  • Super Duplex Steel Pipe Fittings
  • Duplex Steel Flanges
  • Inconel Tubing
  • Copper Nickel Sheets
  • Super Duplex Steel Sheets
  • Nickel Alloy Bars
  • Inconel Flanges
  • Duplex Steel Pipe Fittings

Stockist of

  • Monel Bars
  • Duplex Steel Coil
  • Super Duplex Steel Flanges
  • Copper Nickel Flanges
  • Inconel Coil
  • Hastelloy Bar
  • Inconel Pipe Fittings
  • Titanium Bars
  • Duplex Steel Tubing
  • Monel Fasteners

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