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Bilal Nickel Alloys is a leading manufacturer and supplier of super duplex steel fasteners in Safat, Kuwait. Our super duplex steel fasteners are engineered to deliver exceptional strength, durability and excellent resistance to corrosion, making them ideal for the toughest environments. Focusing on high quality materials and precision technology, our fasteners are perfect for applications in the oil, gas, marine and chemical sectors At Bilal Nickel Alloys, we are dedicated to meeting the highest industry standards role and provide reliable solutions to our customers. Our extensive experience and advanced manufacturing capabilities ensure that our super duplex steel fasteners deliver outstanding performance and longevity, positioning us as the preferred choice for customers in Safat and beyond.
| Specification | IS, BS, ASTM, ASME |
| Grade | Super Duplex Steel | UNS S32750 | S32760 |
| Standard | ASTM A479 ASME SA479 |
| Length | 3mm to 200mm |
| Form | Screw, Nuts, Bolts, Washers |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Application | Oil & Gas, Heat exchanger and condenser, Automobile Industry, Engineering, Power plants, Refineries & Petrochemicals, Ship building, Desalination Plants |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| UNS S32750 | 550 min. | 795 min. | 15 min. | 310 max. |
| UNS S32760 | 550 min. | 750 min. | 25 min. | 270 max. |
Bilal Nickel Alloys’ **Super Duplex Steel Fasteners** are crafted from a high-performance alloy that typically contains around 25% chromium, 7% nickel, and molybdenum, along with trace elements like nitrogen and copper. This unique blend ensures exceptional strength, impressive corrosion resistance, and remarkable fatigue and impact resistance. Super Duplex Steel harnesses the advantages of both ferritic and austenitic stainless steels, delivering high tensile strength and robust resistance to chloride stress corrosion cracking. Additionally, the material excels in resisting pitting and crevice corrosion, making it perfect for tough, high-stress environments.
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**Super Duplex Steel Fasteners** find their place in a range of demanding industries where strength and corrosion resistance are paramount. In the oil and gas sector, they are essential for subsea applications, pipelines, and offshore platforms, thanks to their ability to withstand harsh conditions. The marine industry relies on these fasteners for shipbuilding and offshore structures, ensuring durability in saltwater settings. In chemical processing, Super Duplex Steel fasteners are utilized in pressure vessels and heat exchangers, thanks to their resilience against aggressive environments.
