Home > Duplex Steel> Duplex Steel Nuts S31803
| 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 |
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 % |
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 modern production facilities strategically situated in the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials ready and available in inventory.
Reach out to us for a fast quote tailored to your requirement.
We supply these Duplex Steel S31803 Nuts conforming to DIN, ISO, JIS or ANSI Standard.
Corrosion resistance: Duplex steel S31803 grains offer outstanding corrosion resistance, particularly when chloride ions are present, which makes them well suited for demanding settings like marine environments, chemicals processing and offshore oil and gas exploitation
Cost Effectiveness: While duplex stainless steels usually carry a higher upfront price than austenitic stainless steels, their performance and durability tend to recover that cost across their service life, rendering them more economical over the long term
Improved Stress Cracking Resistance: Their two-dimensional microstructure gives them strong resistance to cracking stresses, which makes them a great fit for applications where such failure is a concern, like chemical and petrochemical plants
Excellent toughness: Duplex steel S31803 nuts keep outstanding toughness even at low temperatures, guaranteeing dependability in cryogenic applications such as LNG (liquefied natural gas) operations
High strength: These tiles deliver high strength relative to conventional austenitic stainless steel, enabling them to endure heavy loads and stresses, which matter in construction and engineering applications
Duplex Steel S31803 Nuts applications are as varied as the industries they cater to led 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 nut is widely applied in duplex gas exploration, production and refining sectors owing to its ability to withstand environmental corrosion, including seawater and acidic gases
Desalination equipment: Double-sided steel rods serve a range of purposes in desalination plants where seawater is turned into freshwater, thanks to their resistance to corrosion and chloride stress in the form of corrosion breakdown
Petrochemical Industry: Duplex steel nuts are employed in petrochemical plants for components such as pressure vessels, heat exchangers and pipelines, where both corrosion resistance and high temperatures are needed
Marine Applications: Thanks to their outstanding corrosion resistance and high mechanical strength, two-dimensional steel frames find use in marine applications such as offshore platforms, ships and offshore structures
Chemical Applications: In chemical plants where catalysts are commonly used, two-dimensional steel rods are favored due to their corrosion resistance and high strength
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Email: sales@koasteel.nz
