Home > Stud Bolts > Duplex Steel Stud Bolts S31803
Request For Our Latest Prices On Duplex Steel Stud Bolts S31803 in Canberra, Australia!
Hazlewood Fasteners, a reputable manufacturer and supplier located in Canberra, Australia, proudly presents their top-notch Duplex Steel S31803 Stud Bolts. These bolts are celebrated for their remarkable strength, resistance to corrosion, and long-lasting durability. Crafted from duplex stainless steel, they blend the advantages of both austenitic and ferritic microstructures, resulting in exceptional toughness and mechanical stability. Each bolt is meticulously engineered to meet international quality standards, ensuring they perform excellently even in the toughest and most corrosive environments. Hazlewood Fasteners’ Duplex Steel S31803 Stud Bolts are commonly utilized in the oil & gas, petrochemical, marine, and power generation sectors, providing reliable fastening solutions in extreme conditions.
Duplex Steel S31803 Stud Bolts mainly consist of 22% chromium, 5–6% nickel, 3% molybdenum, along with trace elements of nitrogen, manganese, and silicon, with iron making up the rest. This unique dual-phase microstructure delivers a tensile strength ranging from 620–880 MPa and a yield strength of about 450–550 MPa, ensuring excellent fatigue resistance, toughness, and dimensional stability. They also boast outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking, particularly in environments rich in chloride. The combination of chromium and molybdenum significantly boosts oxidation and corrosion resistance, guaranteeing long-term reliability in high-pressure, high-temperature, and aggressive industrial settings.
| 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 |
| 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 % |
| Grade | Duplex Steel UNS S31803 / S31803 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
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 S31803 Stud Bolts are a go-to choice in various demanding environments like offshore platforms, oil and gas refineries, desalination plants, chemical processing equipment, and heat exchangers. Their exceptional corrosion resistance and strength make them indispensable. These bolts are perfect for securing pumps, valves, pressure vessels, and pipelines that face high stress, vibration, and temperature fluctuations. In industries such as marine, pulp and paper, and power generation, these stud bolts deliver reliable performance even in harsh, chloride-rich and acidic conditions. Their ability to maintain mechanical integrity under dynamic circumstances makes Duplex Steel S31803 Stud Bolts the top pick for critical fastening applications that demand strength, safety, and long-lasting durability.
At Hazlewood Fasteners, Duplex Steel Stud Bolts S31803 are meticulously packaged to ensure safe and secure delivery. Each bolt is individually inspected and wrapped in protective material to prevent damage during transit. We use durable, high-quality packaging materials that safeguard against environmental factors such as moisture and impact. The bolts are organized in sturdy, labeled cartons for easy identification and handling. Our packaging process guarantees that your Duplex Steel Stud Bolts S31803 arrive in pristine condition, ready for immediate use.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
©2024 Hazlewood Fasteners All Rights Reserved.
