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Punit Fasteners is a top manufacturer and supplier of Duplex Steel Fasteners S32205 in Delhi, India. These fasteners are made from UNS S32205 duplex stainless steel, known for its balanced mix of austenitic and ferritic structures. Designed to resist stress corrosion, pitting, and heavy mechanical loads, S32205 fasteners meet ASTM A479/A182 standards. We provide a broad range that includes nuts, bolts, washers, screws, and studs in various sizes and finishes. These fasteners are ideal for offshore platforms, chemical processing, and pressure systems. Punit Fasteners ensures strong performance and long-term resistance in harsh environments.
Duplex Steel S32205 Fasteners contain about 22% chromium, 5–6% nickel, 3% molybdenum, and nitrogen for better corrosion resistance and strength. They have a tensile strength ranging from 620–880 MPa and yield strength over 450 MPa, with a Rockwell hardness of 25–35 HRC. This alloy resists localized corrosion, including pitting and crevice attacks, even in environments with high chloride levels. S32205 fasteners also withstand erosion and fatigue, maintaining structural integrity under thermal changes and high pressure. Their dual-phase structure ensures a good blend of ductility, impact resistance, and stress corrosion resistance.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S32205 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Duplex Steel S32205 | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Standard : DIN, ASTM, BS and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M1 – M64 | #4 to 3″ | Custom Sizes
Length : M02 to M33
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw,
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 S32205 Fasteners are used in offshore oil rigs, marine equipment, desalination units, and chemical processing plants. They hold together heat exchangers, piping systems, pumps, and valves exposed to chlorides and acidic environments. In structural projects like bridges and cranes, they provide strength and corrosion resistance. These fasteners are also employed in paper mills and water treatment facilities. Their ability to handle harsh environments while maintaining strength and resistance to cracking makes them ideal for dynamic, corrosive, and high-load applications across various industries.
Duplex steel fastener S32205 is carefully installed in Sheetal Fastener to ensure authenticity and quality during movement. Each binder is individually inspected and carefully packed with protective coatings to prevent corrosion. We use sustainable, industry standard packaging materials to protect the environment and physical stressors. Our packaging solutions are designed for easy handling and efficient storage, ensuring products reach our customers in perfect condition. We prioritize safety and specification for optimal customer satisfaction.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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