Request For Our Latest Prices On Duplex Steel Nuts S31803 in Chennai, India!
Puri Fasteners, a trusted manufacturer and supplier based in Chennai, is known for producing high-quality Duplex Steel Nuts S31803 that meet the expectations of industries requiring strength, reliability, and corrosion resistance. With a strong focus on engineering precision and durable performance, the company ensures each nut is crafted using advanced manufacturing processes and premium-grade materials. Their Duplex Steel S31803 Nuts are designed to withstand challenging environments, offering superior mechanical stability and long service life. Backed by consistent product quality and customer-centric service, Puri Fasteners continues to support various sectors with fastening solutions built for demanding applications.
Duplex Steel Nuts S31803 are made from a balanced dual-phase alloy containing approximately equal parts austenite and ferrite, enriched with chromium, molybdenum, and nitrogen. This composition provides excellent corrosion resistance, especially against pitting, crevice attack, and stress corrosion cracking. The nuts offer high tensile strength, superior yield strength, and good toughness across a wide temperature range. They also deliver enhanced fatigue resistance and dimensional stability under high pressure. These combined mechanical properties make Duplex Steel S31803 Nuts ideal for applications where both strength and corrosion resistance are essential.
| 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 % |
| S31803 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| Specifications | ASTM A479 / ASME SA479 |
| Standards | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | Hex Head Bolts, Square Bolts, U bolts, Eyebolts, T bolt, Hex Bolt, Lag Bolts, Countersunk Bolts, Hex Head nuts, Square nuts, Locknuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts |
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 Nuts S31803 are widely used in industries that operate in aggressive, high-pressure, and corrosive environments. They are commonly applied in offshore platforms, desalination plants, heat exchangers, chemical processing units, and marine engineering systems due to their reliable corrosion resistance. These nuts also perform exceptionally well in oil and gas pipelines, pulp and paper machinery, power generation equipment, and wastewater treatment facilities. Their ability to handle stress, resist chloride attack, and maintain stability under demanding conditions makes them a dependable choice for long-term industrial applications requiring durability and consistent performance.
At Puri Fasteners, Duplex Steel Nuts S31803 are meticulously packaged to ensure their integrity and quality during transit. Each nut is individually inspected and wrapped in protective materials to prevent damage. For bulk orders, nuts are securely packed in durable, corrosion-resistant containers. Our packaging solutions are designed to maintain product excellence, safeguarding against environmental factors and ensuring that the nuts arrive in optimal condition. Trust Puri Fasteners for secure and reliable packaging of your high-quality components.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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