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Hamad Fasteners is a leading manufacturer, supplier and exporter of stainless steel 309/309S bolts with domestic and international quality standards. Our bolts are available in various sizes, ranges and finishes to suit industry requirements. We offer these high-quality bolts competitively, ensuring reliability and performance for demanding applications.
Hamad Fasteners is a prominent producer and exporter of Riyadh-based Stainless Steel 309/309S Bolts in Saudi Arabia, providing top-grade fastening solutions for business sectors that require strength and reliability. These bolts are designed with an exceptional alloy of chromium (23–26%) and nickel (13–17%), due to which they are extremely resistant to oxidation, scaling, and corrosion at high temperatures. Made to resist up to 1100°C of service, Stainless Steel 309/309S Bolts possess outstanding tensile strength, toughness, and resistance to creep in harsh environments. Commonly employed in furnaces, petrochemical units, and production industries, they ensure reliable joints and long-term durability in hostile industrial uses.
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
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 Bolts consist of 23–26% chromium and 13–17% nickel, which improve oxidation resistance, longevity, and heat resistance at elevated temperatures. They have low carbon levels in 309S for enhanced weldability and reduced carbide precipitation, rendering them apt for fabricated constructions. Mechanically, they also offer superior tensile strength, creep resistance, and thermal stability up to 1100°C (2012°F). They have high corrosion and scaling resistance and retain their structural integrity under thermal cycling and mechanical stress, offering reliable performance under austere industrial and high-temperature conditions.
Stainless Steel 309/309S Bolts find extensive application in elevated temperature and corrosive environments where durability and strength are paramount. They are used extensively in industrial furnaces, heat exchangers, and air filtration equipment because of scaling and thermal fatigue resistance. In the petroleum, chemical, and power generation industries, they are used in reactor vessels, boilers, and furnace linings under severe conditions. Their resistance to oxidation and stability even at high temperatures render them invaluable for stringent manufacturing and engineering processes.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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