Request For Our Latest Prices On Duplex Steel Nuts S31803 in Riyadh, Saudi Arabia!
Hamad Fasteners, a reputable manufacturer and supplier based in Riyadh, Saudi Arabia, is well-known for delivering top-notch fastening solutions that adhere to international standards. Among their specialized offerings, Duplex Steel S31803 nuts stand out for their remarkable strength, toughness, and exceptional resistance to corrosion. Crafted with precision, these nuts are engineered to perform reliably in harsh environments where standard fasteners might not hold up. With a strong focus on quality, timely delivery, and customer satisfaction, Hamad Fasteners proudly serves various industries, including oil, gas, petrochemical, marine, and power generation, providing them with trustworthy fastening products.
Duplex Steel S31803 nuts feature a unique dual-phase microstructure made up of ferrite and austenite, incorporating essential elements like chromium, nickel, molybdenum, and nitrogen. This specific composition enhances their resistance to stress-corrosion cracking, pitting, and crevice corrosion caused by chlorides. On the mechanical side, these nuts boast high tensile and yield strength, good fatigue resistance, and impressive toughness across a broad temperature range. Their balanced dual-phase structure ensures durability and stability, making them a more reliable option than standard stainless steels in both mechanical and corrosive settings.
| 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.
These nuts find extensive use in industries that demand fasteners combining strength with outstanding corrosion resistance. Typical applications include offshore drilling rigs, subsea equipment, desalination plants, chemical processing facilities, pipelines, and pressure vessels. They are also employed in heat exchangers, marine applications, and structural assemblies where resilience against harsh conditions is crucial. The exceptional combination of mechanical performance and corrosion resistance makes Duplex Steel S31803 nuts a favored choice for critical fastening needs, ensuring safety, efficiency, and a long service life.
At Hamad 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 Hamad Fasteners for secure and reliable packaging of your high-quality components.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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