Home > Duplex Steel > Duplex Steel Stud Bolts S31803
Duplex Steel Stud Bolts S31803 Duplex Steel Stud Bolts S32205 represent the pinnacle of high-performance fastening solutions. Manufactured from a precisely engineered duplex steel formulation, they effortlessly combine the outstanding properties of austenitic and ferritic stainless steels. Renowned for their impressive strength and corrosion resistance, these stud bolts prove essential across vital industries such as oil and gas, chemical processing, and marine applications. Their durability in the face of severe conditions is unrivaled, delivering reliable performance where conventional fasteners might fail. Possessing a natural capacity to resist corrosion, stress corrosion cracking, and extreme temperatures, Duplex Steel Stud Bolts S32205 serve as a symbol of dependability and longevity, guaranteeing dependable fastening solutions even in the toughest situations.
| 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 |
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 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically positioned in the New Zealand, we hold an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Duplex Steel S31803 Stud Bolts in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: Duplex steel S31803 offers outstanding resistance to corrosion, particularly in aggressive settings like those with chloride present, which makes it perfectly suited for use in the marine, chemical and petrochemical sectors
Weldability: Duplex steel S31803 can be readily welded with standard welding methods, permitting straightforward fabrication and assembly of components.
Cost-effectiveness: Although duplex steel may carry a higher upfront cost than traditional materials, its resistance to corrosion and greater strength can deliver long-term savings by lowering maintenance, repair and replacement expenses
Fatigue resistance: Duplex steel S31803 stud bolts possess resistance to fatigue, which makes them well suited for applications involving cyclic loads, such as offshore structures and power generation equipment
Strength: These stud bolts demonstrate exceptional strength and rigidity, enabling them to endure heavy loads and high-stress conditions without information or failure
Duplex Steel S31803 Stud Bolts have applications as varied as the industries they serve, driven mainly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Oil and Gas Industry: Duplex steel S31803 stud bolts see extensive use in the oil and gas sector across a range of applications, such as pipelines, offshore platforms, subsea equipment and refineries. Within this demanding environment they deliver strong corrosion resistance along with adequate strength.
Pulp and Paper Industry: Within the pulp and paper sector, duplex steel S31803 stud bolts serve in equipment like digesters, bleach towers and pulp washers, where corrosive chemicals and high temperatures come into play
Power performance: Duplex steel S31803 stud bolts are employed in power plants, covering fossil fuel, nuclear and renewable energy facilities, thanks to their high strength and corrosion resistance in materials for critical purposes like turbines and heat exchangers.
Marine Applications: Duplex Steel S31803 Stud Bolt Chloride Stress Corrosion Cracking and Pitting Find applications in marine settings owing to their corrosion resistance. They are applied in shipbuilding, offshore structures and seawater desalination.
Chemical applications: These stud bolts serve in chemical plants where they encounter debris. Their outstanding corrosion resistance against chemicals and acids makes them well suited for reactors, molds, and other equipment.
Understanding Duplex Steel S31803:Begin by getting acquainted with the properties of Duplex Steel S31803. These steels deliver a blend of outstanding corrosion resistance, high strength, and weldability, which makes them well-suited to a wide range of industrial uses, particularly in chloride-bearing environments.
Size and Thread Specification: Guided by the design specifications of your application, identify the correct size and thread specification for the stud bolts. Take into account bolt diameter, thread pitch, length, and thread engagement to guarantee compatibility with the parts they connect to.
Mechanical properties: Establish the key mechanical properties of the stud bolts, such as tensile strength, yield strength, and expansion. Duplex steel S31803 offers high strength and proves valuable for load-bearing uses.
Corrosion Resistance: Duplex steel S31803 is recognized for its better corrosion resistance relative to austenitic and ferritic stainless steel. Nevertheless, weigh the corrosion resistance your application demands, particularly when dealing with complex materials like seawater or chemicals.
Analysis of Operational Requirements: Identify the particular needs of your application, taking into account elements such as operating temperature, pressure, chemical environment, mechanical loads, and so on. These elements will influence the type, size, and grade of stud bolts you require.
Mail: sales@koasteel.nz
