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Brian Fasteners, located in Houston, USA, is a well-respected manufacturer and supplier known for its high-quality Stainless Steel 309/309S Washers. With a strong focus on precision engineering and ensuring customer satisfaction, Brian Fasteners provides dependable fastening solutions that cater to a variety of industrial needs. Their Stainless Steel 309/309S Washers are made from top-notch materials, guaranteeing outstanding performance even in high-temperature and corrosive settings. Supported by state-of-the-art manufacturing facilities and a talented workforce, the company consistently delivers products that adhere to international standards, serving industries like petrochemical, marine, and construction with prompt deliveries and exceptional service throughout the United States and beyond.
These Stainless Steel 309/309S Washers are primarily made up of chromium (22–24%), nickel (12–15%), and iron, along with trace amounts of manganese, silicon, and carbon. This unique blend offers remarkable resistance to oxidation and corrosion at elevated temperatures. In terms of mechanical properties, these washers boast a tensile strength of about 550 MPa and a yield strength of roughly 205 MPa, along with good elongation and hardness characteristics. The low carbon variant, 309S, improves weldability and minimizes the risk of carbide precipitation, making it an excellent choice for welding applications and high-temperature service without sacrificing structural integrity.
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 Washers are commonly utilized in high-temperature settings due to their exceptional heat resistance and oxidation protection. You’ll often find them in heat treatment equipment, furnace components, and power generation systems, as they excel in environments that experience thermal cycling and corrosive elements. These washers are also used in chemical processing, petroleum refining, and marine applications where durability and longevity are crucial. Their impressive mechanical and anti-corrosive properties make them ideal for critical fastening in boilers, heat exchangers, and structural assemblies that demand reliable, long-lasting performance.
At Brian Fasteners, our commitment to quality is evident in the rigorous testing of all Stainless Steel 309/309S washers before shipment. We conduct advanced testing, including hardness, chemical analysis by Spectro analysis, good material identification (PMI), levelling, micro-macro, pitting resistance and intergranular corrosion (IGC) testing. In addition, we offer third-party inspection certificates to confirm that our washers meet the highest standards of quality and reliability, ensuring exceptional performance in harsh environments.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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