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Aria Fasteners, located in Hamilton, New Zealand, is a reliable manufacturer and supplier of top-notch Duplex Steel Stud Bolts S31803, designed for critical applications in industrial, marine, and chemical sectors. With a reputation for precision engineering and a strong commitment to international standards and quality control, they cater to industries like oil and gas, petrochemical, marine engineering, and power generation. Their stud bolts are engineered to provide outstanding mechanical strength, corrosion resistance, and long-lasting reliability, even in the toughest environments. Thanks to their focus on technical expertise, prompt delivery, and customer satisfaction, Aria Fasteners has established itself as a leading provider of premium Duplex Steel fastening solutions around the globe. *(≈100 words)*
Crafted from duplex stainless steel, Duplex Steel Stud Bolts S31803 feature a unique blend of austenitic and ferritic microstructures, which grant them exceptional tensile strength and corrosion resistance. They excel in resisting stress corrosion cracking, pitting, and crevice corrosion, especially in harsh, chloride-rich environments. With impressive fatigue strength and toughness, these bolts are perfect for high-pressure and high-stress applications. Their precision manufacturing and heat treatment processes ensure that they maintain consistent mechanical properties and dimensional accuracy. Duplex Steel Stud Bolts S31803 are the go-to choice for securing vital connections in pipelines, pressure vessels, flanged joints, and offshore structures where durability and performance are non-negotiable. *(≈90 words)*
| 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 Stud Bolts S31803 are widely used in demanding applications due to their superior strength and corrosion resistance. Commonly employed in the oil and gas industry, marine environments, and chemical processing, they are ideal for high-pressure and high-temperature conditions. These bolts are also used in construction and infrastructure projects where durability is crucial. Their resilience to stress corrosion and pitting makes them suitable for critical applications requiring reliable and long-lasting fastening solutions.
In industries that demand secure fastening, high mechanical strength, and long-lasting reliability in tough conditions, Duplex Steel Stud Bolts S31803 are a popular choice. You’ll find them commonly used in marine structures, offshore platforms, chemical processing plants, pipelines, heat exchangers, and flanged assemblies. Their remarkable resistance to pitting and crevice corrosion makes them ideal for these challenging environments, ensuring that they stand the test of time while maintaining their performance.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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