Duplex Steel Bolts Manufacturer in Mumbai, India

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Jyoti Steels is a prominent producer and supplier of high-quality Duplex Steel Bolts, established in Mumbai, India. Known for precision engineering and reliability, we offer fastening solutions that excel in corrosive and high-stress environments. Our Duplex Bolts are designed to global standards and are utilized across various industries including marine, petrochemical, oil & gas, and construction. With advanced production technology and a rigorous quality assurance process, Jyoti Steels delivers consistent product performance, durability, and customer satisfaction in both domestic and global markets.

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Duplex Steel Bolts usually consist of 21.0–23.0% Chromium, 4.5–6.5% Nickel, 2.5–3.5% Molybdenum, ≤2.0% Manganese, and 0.14–0.20% Nitrogen. The combination provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. These bolts exhibit high mechanical strength with tensile strength in the order of 620 MPa and yield strength of 450 MPa with 25% elongation. They are physically very dense with density 7.8 g/cm³ and a melting point of between 1350°C and 1450°C. They have a duplex (ferritic-austenitic) microstructure with a combination of toughness, strength, and corrosion resistance, which is best suited for heavy industrial and marine environments.

Duplex Steel Bolts Specifications

Specifications ASTM A479 & ASME SA479
Standard DIN, ASTM, BS and all International Standards
Length 3 to 200 MM
Duplex Steel Nut and Bolts Size M3 To M56 3/6″ to 2″
Duplex Steel 2205 Machine Screws Size M1.6 To M12
Duplex Steel 2205 Washers Size M3 To M56 3/6″ to 2″

Duplex Steel Bolts Mechanical Properties

Duplex Steel Bolts 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 Bolts in Mumbai, India

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

Duplex Steel Square U Bolts
Duplex Steel Socket Head Cap Bolts
Duplex Steel Bolts
Duplex Stainless Steel Hexagon Bolts
Duplex Steel heavy hex bolt
Duplex Stainless Steel 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 Bolts Uses

Duplex Steel Bolts find extensive applications in industries where high strength and resistance to severe environments are necessary. Typical uses are in offshore oil platforms, subsea pipelines, chemical processing plants, and marine structures where resistance to chloride and seawater corrosion is a must. They are also used in pressure vessels, heat exchangers, flanges, and structural assemblies in the power, desalination, and pulp & paper industries. Their resistance to thermal and mechanical stress makes them suitable for infrastructure subjected to varying temperatures and harsh media. Moreover, their high weldability and extended service life minimize maintenance costs in mission-critical installations.

Aerospace Industry

Defense Industy

Food Processing Industry

Construction Industry

Oil and Gas Industry

Petro Chemical Industry