Home > Stud Bolts > Stainless Steel 309 / 309s Stud Bolts
Walid Stainless is a reputable manufacturer and supplier located in Tunis, Tunisia, specializing in high-quality stainless steel fasteners designed for high-temperature and industrial applications. They offer Stainless Steel 309 / 309S Stud Bolts, which are celebrated for their outstanding heat resistance, oxidation resistance, and reliable mechanical performance. With state-of-the-art manufacturing facilities, rigorous quality control systems, and a team of skilled technical professionals, Walid Stainless guarantees products that adhere to international standards. Their Stainless Steel 309 / 309S Stud Bolts find extensive use in industries such as petrochemical, power generation, furnace, and refinery, ensuring precise dimensions, consistent quality, timely delivery, and dependable customer-focused technical support around the globe.
These Stainless Steel 309 / 309S Stud Bolts are austenitic stainless steels enriched with high levels of chromium and nickel, providing exceptional resistance to heat and oxidation. Typically, they contain about 22–24 percent chromium and 12–15 percent nickel, with the 309S variant featuring lower carbon content for enhanced weldability. In terms of mechanical properties, these stud bolts deliver good tensile and yield strength, excellent toughness, and stability even at elevated temperatures. They are designed to resist scaling, thermal fatigue, and creep, maintaining their structural integrity under prolonged exposure to high temperatures.
|
Element |
Content (%) |
|
Iron, Fe |
60 |
|
Chromium, Cr |
24 |
|
Nickel, Ni |
14 |
|
Manganese, Mn |
2 |
|
Silicon, Si |
1 |
|
Carbon, C |
0.20 |
|
Phosphorous, P |
0.045 |
|
Sulfur, S |
0.030 |
|
Properties |
Metric |
Imperial |
|
Tensile strength |
620 MPa |
89900 psi |
|
Yield strength (@ strain 0.200%) |
310 MPa |
45000 psi |
|
Izod impact |
120 – 165 J |
88.5 – 122 ft-lb |
|
Shear modulus (typical for steel) |
77 GPa |
11200 ksi |
|
Elastic modulus |
200 GPa |
29008 ksi |
|
Poisson’s ratio |
0.27-0.30 |
0.27-0.30 |
|
Elongation at break (in 50 mm) |
45% |
45% |
|
Hardness, Brinell |
147 |
147 |
|
Hardness, Rockwell B |
85 |
85 |
|
Hardness, Vickers (converted from Rockwell B hardness) |
169 |
169 |
Contact us to get a quick quote for your requirement.
At Walid Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 309 / 309s Stud Bolts in Tunis, Tunisia. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Tunisia, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.
Designed with threads on both ends, these stud bolts are ideal for applications requiring secure fastening from both sides. They offer excellent resistance to high-temperature environments and corrosion.
These stud bolts feature threaded ends for secure attachment, particularly suited for high-temperature and industrial applications. Stainless Steel 309S provides superior resistance to oxidation and scaling.
Made from Stainless Steel 309, these stud bolts provide excellent strength and resistance to heat and corrosion. Ideal for high-temperature settings, they ensure reliable performance in demanding environments.
Manufactured to meet DIN 1.4833 standards, these stud bolts are used in high-stress applications requiring resistance to extreme temperatures and corrosive environments. They offer robust performance and durability.
These stud bolts are crafted from UNS S30908, a material known for its excellent resistance to heat, oxidation, and corrosion. They are perfect for high-temperature applications in industries like power generation and chemical processing.
Featuring a flush head design, these stud bolts are ideal for applications where a smooth surface is required. Made from Stainless Steel 309S, they offer resistance to high temperatures and provide secure fastening.
Walid Stainless offers quality Stainless Steel 309 / 309S Stud Bolts with consistent performance, supported by a wide array of tests such as hardness testing, spectro analysis, PMI, and flaring tests. We conduct micro and macro tests, pitting resistance, and IGC tests to provide the best product in every order. Besides the rigorous testing process, we also offer full documentation, which provides our customers with commercial invoices, a packaging list with information of net weights and gross weight, the number of the boxes, and labels. Our legalized or attested Certificate of Origin along with Third-Party Inspection Certificates provides total assurance of our commitment to delivering premium products and unmatched customer satisfaction.
Stainless Steel 309 / 309S Stud Bolts are commonly utilized in applications that demand resistance to high temperatures, oxidation, and mechanical stress. You’ll often find them in furnace components, heat exchangers, boilers, petrochemical processing units, and refinery piping systems. They are also used in power plants, thermal processing equipment, and high-temperature industrial machinery. Thanks to their remarkable heat resistance, corrosion resistance, and mechanical stability, Stainless Steel 309 / 309S Stud Bolts offer safe, durable, and long-lasting fastening solutions for critical applications in the industrial, chemical, and energy sectors that operate under extreme thermal conditions.
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