Home > Stud Bolts > Stainless Steel 309 / 309s Stud Bolts
Mumbai, India-based Harsh Metalloys is a reputable manufacturer and supplier of stainless steel 309 and 309S stud bolts, providing high-performance fasteners for demanding industrial applications. Because our stud bolts are made of premium-grade stainless steel, they have exceptional resistance to corrosion and oxidation in hot conditions. Power generation, petrochemicals, and thermal processing are among the industries served by Harsh Metalloys, which has a solid reputation for quality, dependability, and prompt delivery. Our SS 309/309S stud bolts are made to last a long time and are mechanically reliable. They also meet strict international standards and are customised to meet the needs of individual customers for critical fastening applications.
Stud bolts made of stainless steel 309 and 309S have a low carbon content for better weldability and less carbide precipitation, and they contain roughly 22–24% chromium and 12–15% nickel. These alloys offer superior corrosion resistance and strength at high temperatures. Tensile strength of approximately 550 MPa, yield strength of 205 MPa, and elongation of up to 40% are examples of mechanical properties. With their high chromium-nickel content and enhanced thermal stability due to 309S, these bolts are perfect for applications that demand high mechanical performance in corrosive and heat-stressed environments.
|
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 Harsh Metalloys, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 309 / 309s Stud Bolts in India, Mumbai. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Mumbai, 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.
Many industries that work in corrosive and hot conditions use stainless steel 309 and 309S stud bolts. Boilers in power plants and refineries, exhaust systems, kilns, furnaces, and heat exchangers are typical uses. Because of their superior corrosion resistance and thermal stability, they can also be used for structural fastening in petrochemical facilities, chemical processing facilities, and maritime settings. When building and maintaining high-temperature equipment, where reliable and long-lasting fastening solutions are crucial, these stud bolts are the preferred option. They are a dependable option in crucial industrial applications because of their strength, resilience, and oxidation resistance.
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