Super Duplex Steel S32750 is a high-performance alloy that belongs to the duplex stainless steel family. It is known for its exceptional corrosion resistance, high strength, and excellent mechanical properties, making it a popular choice for various industrial applications. One crucial component of Super Duplex Steel S32750 applications is the use of fasteners.
Fasteners are essential elements in any engineering or construction project, providing a means to join and secure different components together. In the case of Super Duplex Steel S32750, the choice of fasteners is critical to ensuring the integrity and durability of the structure or equipment.
One of the key features of Super Duplex Steel S32750 fasteners is their corrosion resistance. The alloy contains a balanced composition of chromium, molybdenum, and nitrogen, which enhances its ability to resist corrosion in harsh environments, including those with high chloride content. This makes S32750 fasteners ideal for use in offshore and marine applications, chemical processing plants, and other aggressive settings where corrosion is a significant concern.
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The high mechanical strength of Super Duplex Steel S32750 further contributes to the reliability of fasteners. The alloy exhibits a dual-phase microstructure, combining both austenitic and ferritic phases, resulting in increased strength compared to conventional stainless steels. This characteristic makes S32750 fasteners capable of withstanding high loads and pressures, enhancing the overall performance and safety of the structures they support.
Super Duplex Steel S32750 fasteners are available in various types, including bolts, nuts, screws, washers, and studs, to accommodate different application requirements. The alloy's versatility extends to its compatibility with various joining methods, such as welding and threading, providing flexibility in design and construction.
ASTM A479 / ASME SA479
DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
M3 - M100 | 3/6″ - 4″ | Custom Sizes
DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
UNF, BSW, BSF, METRIC, UNC, or as required
ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Hex, Threading, Square, Round as per Gauge Etc.
Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
| STANDARD | WERKSTOFF NR. | UNS |
| Super Super Duplex 2507 | 1.4410 | S32750 |
| Grade | C≤ | Mn≤ | P≤ | S≤ | Si≤ | Ni | Cr | Mo | N | Cu |
| S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.5 |
| Grade | Tensile,min,ksi[MPa] | Yield,min,ksi[MPa] | Elongation,%(min) | Hardness,HB(max) |
| S32750 | 116 [800] | 80 [550] | 15 | 300 |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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