Request For Our Latest Prices On Duplex Steel Nuts S31803 in Manama, Bahrain!
Malik Fasteners, located in Manama, Bahrain, stands out as a top manufacturer and supplier of high-quality Duplex Steel Nuts S31803. Designed for strength, reliability, and outstanding corrosion resistance, these nuts are perfect for tough industrial, offshore, and marine settings. Malik Fasteners follows rigorous international quality standards, ensuring that their products provide secure and long-lasting fastening solutions. Duplex Steel Nuts S31803 are particularly resistant to chloride-induced corrosion, stress corrosion cracking, and high-temperature conditions. With a focus on precision engineering and customer satisfaction, Malik Fasteners delivers nuts that excel in performance, durability, and efficiency for critical applications.
Duplex Steel Nuts S31803 boast a unique dual-phase microstructure of austenite and ferrite, which gives them remarkable strength and corrosion resistance. They contain around 22% chromium, 5–6% nickel, and 3% molybdenum, making them highly resistant to chloride-induced corrosion and stress corrosion cracking. These nuts demonstrate impressive tensile and yield strength, along with superior toughness and fatigue resistance, even under extreme mechanical and thermal conditions. The blend of ductility and hardness makes Duplex Steel Nuts S31803 perfect for industrial, marine, and offshore applications where long-lasting durability and reliable performance are essential for secure fastening.
| 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 find extensive use in industries that demand high strength and corrosion resistance. They are particularly suited for offshore platforms, chemical and petrochemical plants, desalination facilities, oil and gas pipelines, pressure vessels, and heat exchangers. These nuts ensure secure and durable connections in environments that are high-stress, high-temperature, and rich in chlorides. Their exceptional properties make them a go-to choice for applications where long-term durability and mechanical performance are crucial for reliable fastening.
At Malik 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 Malik Fasteners for secure and reliable packaging of your high-quality components.
Malik Fasteners is a leading manufacturer and supplier of high-quality fasteners in Manama, Bahrain, with over 8 years of experience serving global industries.
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