Hardness testing to ISO 6508-1
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In Mumbai, India, Vision Alloys is a leading Super Duplex Steel S32750 fastener manufacturer and supplier, exporting to the USA and various other countries. These Super Duplex UNS S32750 fasteners are well-known for their high tensile strength, superior corrosion resistance, and durability, making them ideal for demanding applications in oil & gas, marine, chemical processing, and power generation industries. Their high resistance to stress corrosion cracking, oxidation, and pitting caused by chloride means they will work well for a long time in harsh environments.
Super Duplex 2507 Fasteners, including Super Duplex Steel S32750 nut bolts, bolts, nuts, washers, and threaded rods, offer exceptional mechanical properties, high yield strength, and outstanding weldability. These fasteners are widely used in offshore platforms, heat exchangers, subsea pipelines, and desalination plants, where extreme conditions demand superior materials. The high chromium (Cr) and molybdenum (Mo) content enhances their resistance to pitting and crevice corrosion, making them highly reliable for marine and chemical processing industries.
Super Duplex Steel S32750 fasteners are made up of about 25% Chromium (Cr), 7% Nickel (Ni), 4% Molybdenum (Mo), and 0.3% Nitrogen (N). They also have the right amounts of Iron (Fe), Manganese (Mn), and Silicon (Si). These things make it very strong and tough, with a minimum tensile strength of 795 MPa, a yield strength of 550 MPa, and a hardness of up to 32 HRC. This duplex microstructure provides excellent impact resistance, making it ideal for high-stress environments such as pressure vessels and seawater applications.
Available in a wide range of sizes and specifications, Super Duplex Steel S32750 fasteners come in diameters from M6 to M100 or ¼” to 4”, with custom lengths and thread configurations to meet specific industry needs. These Super Duplex 2507 fasteners comply with global standards such as ASTM A479, ASME SA479, DIN, ISO, and EN, ensuring precision, reliability, and compliance with international requirements. Surface coatings like hot-dip galvanization, PTFE, passivation, and zinc plating make things more durable and resistant to corrosion.
As a trusted Super Duplex Steel S32750 fastener supplier, Vision Alloys guarantees top-notch quality, competitive pricing, and prompt global delivery. These Super Duplex Steel S32750 bolts, nuts, and fasteners are the best choice for critical industrial applications because they are very strong, don't rust, and last a long time. They are used in the petrochemical industry, shipbuilding, and offshore engineering.
Standards | ASTM A479, ASME SA479 |
Standard | DIN, ASTM, BS and all International Standards |
Size | M3 to M90 |
Length | 10mm to 1000mm |
Type | Bolts, Nuts, Sockets, Screws, Screw, Studs, Socket Screw, Hex Set Screw, Cap Screw, Machine Screw, Pan Head Screw, Allen Cap screw, Socket Head Cap Screw, Wing Screw, Spring Washers, Washers, Studs, Marine Anchors, Anchors, Hexagon Nut, Nut, Hex Coupling Nut, Hex Nut, Square Nut, Hex Domed Cap Nuts, Hex Head Bolts, Stud Bolts, Socket Hexagon Head Screw,U- Bolts, Anchor Bolt, Mushroom Head Square Neck Bolts, J Bolts, Wing Screw, T-Head Bolts, Foundation Bolts, Eye Bolt,Structural Bolts. |
Super Duplex UNS S32750 Fasteners are a highly reliable and robust component in various industries. Their resistance to corrosion, pressure, and stress makes them an ideal choice for high-stress applications, where safety and stability are paramount. These fasteners' versatility and ease of installation make them a popular choice for numerous applications.
To preserve the high standards of our selection of industrial fasteners, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of fasteners.
STANDARD | WERKSTOFF NR. | UNS |
Super Duplex 2507 | 1.4410 | S32750 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S32750 | 0.05 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.0 - 26.0 | 3.00 - 5.00 | 6.00 - 8.00 | 0.24 - 0.32 | 58.095 min |
Element | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S32750 | 7.8 | 0.281 | 1350 | 2460 |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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