Home > Duplex Steel > Duplex Steel S31803 Bolts
Material | Specification | Standards | Size | Length |
Duplex Steel S31803
| IS BS ASTM | ASTM / ASME – A/ SA 479 / 479 | 3 mm | M02 to M30 |
Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) | Yield Strength 0.2% Proof (MPa) min | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| Duplex Steel Bolts S31803 | 621 | 25 | 448 | 21 max |
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 situated in the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials available on hand.
Reach out to us for a fast quote tailored to your requirement.
We supply these Duplex Steel S31803 Bolts in accordance with DIN, ISO, JIS or ANSI Standard.
Corrosion Resistance: Duplex steel S31803 bolts deliver outstanding resistance to corrosion, particularly in demanding settings like marine and chemical uses. They withstand chloride-induced stress, making them vulnerable to cracking and appropriate for use in environments that contain chlorides.
Easy to manufacture: Duplex steel S31803 bolts are remarkably simple to machine, weld, and fabricate, enabling efficient production and flexibility in design. This straightforward manufacturing process adds to their broad adoption across numerous industries.
Cost-effectiveness: Even with their superior properties, duplex steel S31803 bolts can frequently deliver cost savings when compared to other corrosion-resistant alloys. This stems from their low nickel content and the availability of the materials, making them an economical option for many uses.
Hardness: Owing to their balanced microstructure, duplex steel S31803 bolts provide greater hardness than other stainless steel grades. This rigidity withstands shock and fatigue loads and lowers the chance of accidental failure.
Strength: These bolts possess high strength that comes from their dual microstructure of austenite and ferrite phases. This preserves their mechanical properties at both high and low temperatures, guaranteeing reliability and durability under operating conditions.
Duplex Steel S31803 Bolts serve applications as varied as the industries that use them, 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 bolts are frequently employed in offshore platforms, subsea pipelines, and machinery, where they encounter corrosive conditions, elevated pressures, and heat. Their resistance to corrosion and stress corrosion cracking makes them well-suited for these purposes.
Marine Applications: Duplex steel bolts serve marine settings such as shipbuilding, offshore platforms, and marine structures. Their ability to resist seawater corrosion makes them appropriate for these uses.
Desalination Plants: Duplex steel bolts serve to join pumps, valves and other equipment involved in desalination systems within desalination plants owing to their resistance to chloride-induced stress corrosion cracking and strong pitting resistance.
Pulp and Paper Industry: Duplex steel bolts are applied to digesters, bleachers, towers, evaporators and other equipment in the pulp and paper industry, where they can endure the corrosive chemicals and high temperatures involved in processing the mouth of the
Chemical Applications: Duplex steel bolts are favored because of their corrosion and corrosion resistance in chemical plants where chemicals and strong acids are handled. They are frequently found in reactors, heat exchangers and vessels.
Specify application requirements: Detail the exact circumstances in which the bolts will operate. Take into account factors like temperature, pressure, resistance to corrosion, and load-bearing capability.
Corrosion Resistance: Duplex steel S31803 is recognized for its outstanding resistance to corrosion, particularly in demanding conditions like marine settings or chemical processing. Verify that the bolts offer the corrosion resistance required for your particular use.
Strength Requirements: Assess the strength demands of your application and choose a bolt with suitable tensile strength, yield strength, and rigidity. Duplex steel S31803 bolts generally deliver high strength and are well suited for challenging applications.
Size and Design: Identify the correct size and thickness of bolts according to your application’s requirements. Take into account factors such as diameter, length, and thread pitch.
Material options: Duplex steel S31803 bolts offer superb corrosion resistance and high strength, which makes them fit for a range of applications. However, confirm that this product suits the environment where the bolts will be deployed.
Email: sales@koasteel.nz
