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Hazlewood Fasteners is a leading manufacturer and supplier of premium-quality fasteners based in Canberra, Australia. Renowned for its precision engineering and superior product standards, the company offers a wide range of fastening solutions to meet the demands of various industrial sectors. Among its extensive product line, Stainless Steel 309/309S Stud Bolts stand out for their exceptional durability and resistance to high temperatures. With a strong focus on quality assurance and customer satisfaction, Hazlewood Fasteners ensures that every product adheres to international standards, making it a trusted name in both domestic and global markets for reliable fastening solutions.
Stainless Steel 309/309S Stud Bolts are composed primarily of chromium (22–24%) and nickel (12–15%), with low carbon content in 309S to enhance weldability and reduce carbide precipitation. This composition provides excellent resistance to oxidation, corrosion, and heat scaling. Mechanically, these stud bolts exhibit high tensile strength, good yield strength, and excellent toughness, even at elevated temperatures. They maintain structural integrity under thermal stress and possess superior creep resistance, making them ideal for high-temperature and corrosive service environments where strength and reliability are critical.
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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 309/309S Stud Bolts are widely used in industries that operate under high-temperature and corrosive conditions. They are commonly employed in furnaces, heat exchangers, boilers, and thermal processing equipment. In chemical and petrochemical plants, these bolts provide reliable fastening in corrosive environments involving acids, gases, and oxidizing agents. Power generation, refineries, and marine sectors also use them due to their strength and resistance to oxidation. Additionally, they are ideal for exhaust systems, kiln linings, and structural assemblies requiring durability and stability at elevated temperatures, ensuring long-lasting performance and safety in demanding industrial applications.
Hazlewood Fasteners provides comprehensive documentation with our Stainless Steel 309/309S Stud Bolts, including commercial documentation, packaging information and quality certificates. We also offer comprehensive test reports, such as MTC per EN 10204/3.1b, PMI Testing, 100% radiography, and third-party inspections. This comprehensive documentation ensures transparency, proves quality and guarantees compliance, resulting in high customer satisfaction.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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