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Ramu Fasteners has earned a solid reputation as a reliable manufacturer and supplier based in Hyderabad, focusing on high-performance Duplex Steel Fasteners S31803 for essential industrial uses. With state-of-the-art manufacturing facilities and rigorous quality control measures, the company ensures that its fasteners meet international standards. Ramu Fasteners caters to various sectors, including oil and gas, marine, chemical processing, and power generation, offering products renowned for their strength, corrosion resistance, and dependability. Committed to quality, prompt delivery, and competitive pricing, the company has established itself as a trusted source for Duplex Steel S31803 fasteners both locally and globally.
Duplex Steel Fasteners S31803 are crafted from an alloy that includes around 22% chromium, 4.5–6.5% nickel, and up to 3% molybdenum, all while maintaining a low carbon content. This well-balanced ferritic and austenitic structure delivers impressive mechanical performance. These fasteners boast high tensile and yield strength, excellent impact toughness, and remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. Additionally, Duplex Steel S31803 fasteners show good fatigue resistance and dimensional stability, making them ideal for high-pressure and corrosive environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S31803 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Duplex Steel S31803 | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Standard : DIN, ASTM, BS and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M1 – M64 | #4 to 3″ | Custom Sizes
Length : M02 to M33
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw
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 Fasteners S31803 find extensive use in industries that require exceptional strength and corrosion resistance. Common applications include oil and gas facilities, offshore structures, marine equipment, chemical and petrochemical plants, and desalination systems. These fasteners are frequently utilized in pipelines, pressure vessels, heat exchangers, and structural components that face harsh conditions. Moreover, Duplex Steel S31803 fasteners are also well-suited for the pulp and paper industry, as well as power generation applications.
At Ramu Fasteners, we ensure that our Duplex Steel Fasteners S31803 are meticulously packaged to guarantee their integrity and quality upon delivery. Each fastener is carefully inspected and securely packed using high-quality materials to prevent damage during transit. Our packaging process includes labeling with detailed product information for easy identification. Whether you need bulk packaging or customized solutions, we prioritize your requirements, ensuring that your fasteners arrive in perfect condition, ready for immediate use.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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