Weston Stainless, located in Midland, UK, is a trusted supplier of high-quality stainless steel products, providing durable and reliable solutions to industries worldwide. With a commitment to excellence, they offer products that meet international standards. Stainless Steel 309 Fasteners are made from an alloy containing 22-24% chromium and 12-15% nickel, offering exceptional resistance to high temperatures and oxidation. These fasteners are available in various shapes, including bolts, nuts, washers, and screws, making them ideal for applications in industries like petrochemical, power generation, and chemical processing.
Stainless Steel 309 Fasteners are composed of 22-24% chromium, 12-15% nickel, with small amounts of manganese, silicon, and carbon. The mechanical properties include a tensile strength of 515 MPa, yield strength of 205 MPa, and an elongation of 40%. The Brinell hardness is approximately 201 HB. Physically, these fasteners 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 high temperatures, oxidation, and corrosion makes them ideal for use in demanding industrial applications.
| Grade | Stainless Steel 309 Fasteners. |
| Standard | ASTM A193 / A194, ASME SA193 / SA194, IS, BS, ANSI |
| Size | M02 to M33 |
| Length | UPTO 5 METERS |
| Surface Coating | Hot Dipped Galvanizing 309 Stainless Steel Fasteners, Phosphate 309 Stainless Steel Fasteners, Teflon 309 Stainless Steel Fasteners, Ptfe Coated 309 Stainless Steel Fasteners, Xylon 309 Stainless Steel Fasteners, Zinc 309 Stainless Steel Fasteners, Cadmium 309 Stainless Steel Fasteners |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| Min. % | – | – | – | – | – | 18.0 | – | 8.0 | – |
| Max % | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | 0.10 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HR B) max | Brinell (HB) max |
| 309 | 515 | 205 | 40 | 92 | 201 |
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High-temperature applications with excellent resistance to oxidation and scaling. Available in sizes from M6 to M30, they securely fasten components in harsh environments.
Come in sizes from M8 to M36 and have exceptional high-temperature resistance. They are ideal for heavy-duty industrial applications requiring robust mechanical strength and durability.
High-temperature and aggressive environments. Sizes typically range from M6 to M30, providing reliable performance and strength in demanding applications.
Excellent durability and heat resistance. They come in lengths up to 3 meters and diameters from M6 to M30, making them ideal for high-temperature and corrosive applications.
Designed for high-temperature environments with strong oxidation resistance. Available in sizes from M4 to M24, they ensure secure fastening and longevity in extreme conditions.
Provide reliable load distribution and reduced friction. They are available in sizes matching standard bolts and screws, typically ranging from M4 to M30, ensuring durability and a proper fit.
Stainless Steel 309 Fasteners are ideal for use in high-temperature and corrosive environments due to their excellent resistance to oxidation and corrosion. They are commonly used in industries such as petrochemical, power generation, and chemical processing, where they are employed in heat exchangers, boilers, exhaust systems, and gas turbines. These fasteners are also used in furnace components, industrial machinery, and food processing equipment. Their ability to withstand extreme temperatures and harsh conditions makes them essential for critical applications requiring durable, reliable fastening solutions in demanding environments.
Stainless Steel 309 Fasteners are provided with comprehensive test certificates, including Mill Test Certificates (MTC), material certificates, and third-party inspection reports to ensure compliance with industry standards. They are carefully packaged in protective materials such as wooden crates, cartons, or plastic wraps to prevent any damage during transit. Delivery is prompt, with shipping options available via air, sea, or road, ensuring safe, timely delivery to global destinations while maintaining product integrity.
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