Duplex Steel S31803 Bolts Manufacturer in Mumbai, India

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Jyoti Steels of Mumbai, India, is one of the main producers and providers of high-end Duplex Steel S31803 Bolts. These bolts stand out for having superior strength, good corrosion resistance, and longevity in severe environmental conditions. All fasteners in Jyoti Steels are produced to be in line with international standards as well as stiff industrial demands. Operating in sectors like oil & gas, marine, chemical processing, and construction, the organization strives to provide quality, dependable bolting solutions. Equipped with sophisticated production units and qualified quality control, Jyoti Steels is a reliable business partner for Duplex Steel S31803 Bolts across the world.

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Duplex Steel S31803 Bolts consist of 21–23% Chromium, 4.5–6.5% Nickel, 2.5–3.5% Molybdenum, and 0.14–0.2% Nitrogen, with Iron as the major element. Trace elements are Manganese up to 2% and Silicon up to 1%. The bolts offer high tensile strength (620–880 MPa), yield strength around 450 MPa, and elongation of 25–30%. The density is about 7.8 g/cm³, and the melting point is close to 1350°C. The two-phase austenitic-ferritic microstructure provides these bolts outstanding resistance to crevice corrosion, pitting, and stress corrosion cracking, so they are perfect for application in aggressive, chloride-bearing environments.

Duplex Steel Bolts S31803 Specifications

Material
Specification
Standards
Size
Length
  Duplex Steel S31803  
IS BS ASTM
ASTM / ASME – A/ SA 479 / 479
3 mm to 200 mm
M02 to M30

Duplex Steel S31803 Bolts Mechanical Properties

Grade
Tensile Strength (MPa) min
Elongation (% in 50mm)
Yield Strength 0.2% Proof (MPa) min
Hardness Rockwell C (HR C)
Duplex Steel Bolts S31803
621
25
448
21 max

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ISO Certified

Largest Inventory

On Time Deliveries

Customer Support

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

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

Duplex Steel S31803 Square U Bolts
Duplex Steel S31803 Socket Head Cap Bolts
Duplex Steel S31803 Bolts
Duplex S31803 Steel Hexagon Bolts
Duplex Steel S31803 heavy hex bolt
Duplex Steel S31803 Threaded Bolts

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 Bolts Uses

Duplex Steel S31803 Bolts find extensive application in industries requiring high strength and corrosion resistance. In the oil and gas sector, they play a vital role in the assembly of offshore rigs, pipelines, and pressure vessels. Marine applications involve shipbuilding, seawater cooling systems, and desalination plants. In chemical and petrochemical processing, these bolts are used to secure tanks, heat exchangers, and pipelines handling corrosive materials. They are also employed in pulp and paper mills, water treatment plants, and structural uses needing resistance to stress and fatigue. Their reliability and strength make them a first priority for demanding industrial conditions.

Aerospace Industry

Defense Industy

Food Processing Industry

Construction Industry

Oil and Gas Industry

Petro Chemical Industry