Home > Stud Bolts > Stainless Steel 309 / 309s Stud Bolts
Andre Stainless is a well-respected manufacturer and supplier of Stainless Steel 309/309S Stud Bolts based in Pulau Ujong, Singapore. They provide durable and heat-resistant fastening solutions tailored for tough industrial settings. Known for their commitment to quality and precision, Andre Stainless produces stud bolts that adhere to international standards, making them perfect for high-temperature and corrosive environments. With cutting-edge manufacturing capabilities and a strong focus on customer satisfaction, the company guarantees timely deliveries and reliable product performance. Their Stainless Steel 309 and 309S stud bolts are particularly suited for use in petrochemical plants, heat treatment facilities, and thermal processing units throughout Singapore.
The Stainless Steel 309/309S Stud Bolts from Andre Stainless are crafted with high levels of chromium (22–24%) and nickel (12–15%), while the 309S variant has a lower carbon content, enhancing its weldability and resistance to sensitization. These bolts boast impressive mechanical properties, featuring a tensile strength of about 520 MPa and a yield strength of 205 MPa. Their ability to resist oxidation, scaling, and corrosion at elevated temperatures (up to 1000°C) makes them ideal for continuous exposure to high heat. The low carbon version, 309S, minimizes the risk of intergranular corrosion during welding and high-temperature applications.
|
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 Andre Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 309 / 309s Stud Bolts in Pulau ujong, Singapore. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Pulau ujong, 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.
Andre 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.
You’ll find Stainless Steel 309/309S Stud Bolts from Andre Stainless widely used in high-temperature and corrosive settings, including furnaces, boilers, heat exchangers, and incinerators. They’re also essential in refineries, chemical plants, and marine applications where strength and oxidation resistance are paramount. These stud bolts deliver secure, long-lasting fastening solutions even in extreme conditions, ensuring structural integrity and low maintenance. Industries across Singapore trust Andre Stainless for their robust and reliable 309/309S stud bolts that meet stringent performance and safety standards.
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