Request For Our Latest Prices On Duplex Steel Bolts in Mumbai, India!
The Fasteners Mart, a well-known Mumbai, India-based manufacturer and supplier, is a prominent industrial fastener business entity for industrial fasteners such as high-quality Duplex Steel Bolts. Known for their unparalleled strength, corrosion resistance, and durability, these bolts are perfectly utilized in demanding applications such as marine, chemical, and offshore sectors. Focusing on robust quality, precise engineering, and timely delivery, The Fasteners Mart exports domestic as well as international customers. Our excellence and customer satisfaction make us a preference choice for safe fastening solutions in many different industries.
Duplex Steel Bolts contain an equilibrated mixture of austenite and ferrite phases, with a standard chemical composition of 22–25% chromium, 4–7% nickel, 3–5% molybdenum, and nitrogen for increased strength as well as corrosion resistance. The unique composition gives excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. Mechanically, Duplex Steel Bolts possess very high tensile strength (of up to 800 MPa), excellent yield strength, and excellent fatigue resistance. Their superior strength and toughness features make them ideal for extreme services with long term durability in offshore, chemical, and marine application.
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 % |
| 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″ |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Duplex Steel Bolts are widely used in applications where superior strength and corrosion resistance are required. Offshore oil and gas platforms, chemical process plants, desalination plants, and sea exposure are general applications since they are pitting and chloride stress corrosion resistant. They are also used in heat exchangers, pressure vessels, pipelines, and structural components in aggressive exposures. In the energy and construction industries, Duplex Steel Bolts offer reliability and durability at extreme pressures. With their superior mechanical properties, they are ideal for high-duty fastening services, ensuring safety, lifespan, and performance in all critical industrial installations.
At The Fasteners Mart, Duplex Steel Bolts undergo rigorous quality inspection, mechanical, chemical, and non-destructive testing to ensure conformity with international standards and customer requirements. Each bolt is carefully inspected for dimensional tolerance, strength, and surface finish. Bolts are safely packed in wooden boxes, cartons, or as per customer specification, with proper labeling for traceability. Our rugged packaging offers protection from corrosion, damage, and contamination in transit and guarantees consistent performance on delivery.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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