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 % |
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We offer These Duplex Steel S31803 Nuts as per DIN, ISO, JIS or ANSI Standard.
Corrosion resistance: Duplex steel S31803 grains exhibit excellent corrosion resistance, especially in the presence of chloride ions, making them suitable for use in harsh environments such as marine environments, chemicals processing and offshore oil and gas exploitation
Cost Effectiveness: Although duplex stainless steels are generally more expensive initially compared to austenitic stainless steels, their efficiency and longevity tend to make up for the cost savings in lifetime, making them more cost-effective in the long run
Improved Stress Cracking Resistance: Their two-dimensional microstructure provides them with high resistance to cracking stresses, making them ideal for applications where such failure is concerned, such as chemical and petrochemical plants
Excellent toughness: Duplex steel S31803 nuts maintain excellent toughness even at low temperatures, ensuring reliability in cryogenic applications such as LNG (liquefied natural gas) operations
High strength: These tiles have high strength compared to conventional austenitic stainless steel, allowing them to withstand high loads and stresses, which are important in construction and engineering applications
Duplex Steel S31803 Nuts applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries 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 commonly used in duplex gas exploration, production and refining industries due to its resistance to environmental corrosion, including seawater and acidic gases
Desalination equipment: Double-sided steel rods are used in a variety of applications in desalination plants where seawater is converted into freshwater due to corrosion resistance and chloride stress in the form of corrosion breakdown
Petrochemical Industry: Duplex steel nuts are used in petrochemical plants for equipment such as pressure vessels, heat exchangers and pipelines, where corrosion resistance and high temperatures are required
Marine Applications: Due to their excellent corrosion resistance and high mechanical strength, two-dimensional steel frames are used in marine applications such as offshore platforms, ships and offshore buildings
Chemical Applications: In chemical plants where catalysts are frequently used, two-dimensional steel rods are preferred because of their corrosion resistance and high strength
Understand the Application Requirements:
Material Compatibility:
Size and Thread Type:
Corrosion Resistance:
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