Home > Stud Bolts > Stainless Steel 309 / 309s Stud Bolts
Weston Stainless, located in Midland, UK, is a renowned supplier of high-quality stainless steel products, offering durable and reliable solutions to industries worldwide. With a commitment to excellence, they provide products that meet international standards. Stainless Steel 309/309S Stud Bolts are made from an alloy containing 22-24% chromium and 12-15% nickel, offering exceptional resistance to high temperatures and oxidation. These stud bolts are available in various shapes, typically cylindrical, and are used in industries such as petrochemical, power generation, and chemical processing, where high performance and corrosion resistance are required.
Stainless Steel 309/309S Stud Bolts are composed of 22-24% chromium, 12-15% nickel, and small amounts of manganese, silicon, and carbon. The mechanical properties include a tensile strength of approximately 515 MPa, yield strength of 205 MPa, and an elongation of 40%. The Brinell hardness is around 201 HB. Physically, these bolts have a density of 7.9 g/cm³, a melting point ranging from 1400-1450°C, and thermal conductivity of 15.1 W/m·K. Their excellent resistance to oxidation, high-temperature strength, and corrosion make them ideal for demanding industrial 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 |
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Stainless Steel 309/309S Stud Bolts are widely used in high-temperature and corrosive environments due to their excellent resistance to oxidation and corrosion. They are commonly applied in industries such as petrochemical, power generation, and chemical processing, where they are used in heat exchangers, boilers, turbines, and exhaust systems. These stud bolts are also ideal for furnace components, industrial machinery, and food processing equipment. Their ability to withstand extreme heat and aggressive environments makes them essential for critical applications requiring durable, reliable fastening solutions in demanding conditions
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.
Stainless Steel 309/309S Stud Bolts are made from an alloy containing 22-24% chromium and 12-15% nickel, with small amounts of manganese, silicon, and carbon. The mechanical properties include a tensile strength of around 515 MPa, yield strength of 205 MPa, and elongation of 40%. The Brinell hardness is approximately 201 HB. Physically, they have a density of 7.9 g/cm³, a melting point between 1400-1450°C, and thermal conductivity of 15.1 W/m·K. These stud bolts offer excellent oxidation resistance, high-temperature strength, and durability, making them ideal for demanding industrial applications.
Stainless Steel 309/309S Stud Bolts are provided with detailed test certificates, including Mill Test Certificates (MTC), material certificates, and third-party inspection reports to ensure compliance with industry standards. They are securely packaged in protective materials such as wooden crates, cartons, or plastic wraps to prevent damage during transit. Delivery is efficient, with shipping options available via air, sea, or road, ensuring safe, timely delivery to global destinations while maintaining product integrity throughout the process.
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