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Super Duplex Steel stud bolts are available from Hamad Fasteners, which are manufactured to be extremely high quality for use in the harshest conditions. These stud bolts are made from Super Duplex Steel which is a combination of austenitic and ferritic stainless steels that make these bolts very strong, corrosion resistant and very durable. Our Super Duplex Steel stud bolts are suitable for chemical processing, marine, and oil and gas industries due to their ability to provide secure fastening in harsh environments.
Super Duplex Steel stud bolts have superior mechanical and corrosion properties, ideal to be utilized in challenging industries. They have extremely high tensile strength along with excellent resistance to crevice corrosion, pitting, as well as stress corrosion cracking, even in chloride-rich environments. The performance of these bolts is consistent across both high-temperature and low-temperature applications, making them reliable in extreme conditions. With its higher strength-to-weight ratio than regular stainless steels, Super Duplex Steel stud bolts suit high-pressure, corrosive applications where light but strong fastening solutions are needed.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts | 760 | 550 | 15 | 32 Max |
| 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 % |
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.
Super Duplex Steel stud bolts are extensively used in applications where strength, toughness, and corrosion resistance are important. In the chemical process, they are resistant to aggressive chemicals and high-pressure operations. In sea environments, they provide long-term seawater corrosion resistance. In the oil and gas industry, they provide safe fastening of safety-critical equipment under severe stress. They are also widely used in power generation and building projects, where their ability to outperform in harsh environments assures safety, reliability, and long-term service life.
At Hamad Fasteners, we take care to package our Super Duplex Steel stud bolts with great care in order to maintain their quality while they are being stored or transported. Every bolt is wrapped in protective covering to avoid scratching, rust, or contamination. The bolts are then stored in durable cartons with custom packaging available to suit client specifications. Transparent labeling and orderly packing simplify identification and handling. Our secure packing ensures that all stud bolts arrive in perfect condition, a reflection of our focus on quality and customer satisfaction.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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