Home > Stud Bolts > Stainless Steel 309 / 309s Stud Bolts
One of Chennai, India’s leading producers and distributors of stainless steel goods is Vinit Stainless. Known for delivering high-quality industrial solutions, we specialize in offering Stainless Steel 309/309S Stud Bolts designed for superior performance in high-temperature and corrosive environments. These stud bolts are perfect for use in petrochemical, chemical processing, and oil and gas industries because of their exceptional corrosion resistance, heat resistance, and durability. Vinit Stainless is committed to customer satisfaction, prompt delivery, and precision manufacturing to make sure our fasteners fulfill the highest performance requirements and industry standards.
An austenitic stainless steel alloy comprising roughly 24% chromium and 14% nickel is used to make stainless steel 309/309S Stud Bolts. This alloy offers remarkable resistance to oxidation and corrosion at high temperatures. These bolts have an elongation at break of 40–50%, a tensile strength of up to 860 MPa, and a yield strength of up to 350 MPa. The low-carbon version of SS 309, SS 309S, has better weldability. For high-temperature structural and mechanical applications, both grades are extremely dependable due to their exceptional resistance to carburization, thermal fatigue, and scaling.
|
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 Vinit Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 309 / 309s Stud Bolts in Chennai, India. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the India, 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.
Vinit 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.
For high-stress, high-temperature settings like those found in power plants, refineries, chemical processing facilities, and aerospace applications, stainless steel 309/309S Stud Bolts are perfect. They are extensively utilized in reactors, boilers, exhaust systems, heat exchangers, and furnace components where reliable operation at high temperatures is essential. Even in the most severe operating conditions, their long service life is guaranteed by their resistance to oxidation, thermal shock, and carburization. These bolts provide reliable fastening solutions under demanding service conditions and are also utilized in industrial assemblies and structural frameworks that require exceptional mechanical qualities, strength, and thermal stability.
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