Khaleed Stainless is a reliable manufacturer and supplier of top-notch Stainless Steel 309 Bolts based in Riyadh, Saudi Arabia. We specialize in precision-engineered fastening solutions designed for high-temperature and corrosive environments. SS 309 is an austenitic stainless steel grade known for its high chromium and nickel content, which gives it excellent resistance to oxidation and scaling at elevated temperatures. Our SS 309 bolts are crafted to meet international quality standards, ensuring they are strong, dependable, and built to last. Available in various sizes, threads, and finishes, these bolts are perfect for industries like petrochemical, construction, automotive, marine, and power generation, where performance and safety are paramount.
Stainless Steel 309 Bolts are composed of 22–24% chromium, 12–15% nickel, ≤2% manganese, ≤1% silicon, and ≤0.20% carbon, providing outstanding corrosion and oxidation resistance. They boast a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of about 40%, making them perfect for high-stress and elevated-temperature applications. With a Brinell hardness of approximately 217 HB, these bolts maintain their strength and integrity even in tough conditions. The alloy’s austenitic structure ensures excellent weldability and formability, while its resistance to scaling allows for continuous service at temperatures up to 1093°C (2000°F).
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 309 Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 309 |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 309 |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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Stainless Steel 309 Bolts are fasteners with a high heat resistance that have good resistance to oxidation. They are perfect for severe environments and provide strength and reliability in mechanical and thermal conditions.
Stainless Steel 309 Bolts are Fasteners with a high heat resistance that have good resistance to oxidation. They are perfect for severe environments and provide strength and reliability in mechanical and thermal conditions.
Custom Stainless Steel 309 Hex Bolt is a high heat resistant fastener in the shape of a square head with a specific shape, making it strong and reliable for severe heat and difficult areas.
The stainless steel 309 expansion anchor bolt is high temperature fastening and is made use of when fixing concrete or masonry construction. When tight clamped the same expands on the hole. Ensures perfect gripping.
The stainless steel 309 hex flange head bolt offers a hex-head feature with built-in flanges. It thus spreads the load with more weights, providing increased weight distribution and good heat resistance for overheating applications.
Stainless Steel 309 Full Threaded Bolts have full threads along their length, providing consistent clamping force and resistance to heat. They are perfect for high-temperature applications where durability and reliable performance are expected.
After manufacturing our quality control team performs extensive destructive and non-destructive tests on Stainless Steel 309 Bolts. By using advanced tools and techniques for the best possible performance and durability. Once the quality is checked these bolts are packed in a safe manner. With proper packaging material so that no damage occurs during transportation. We ensure timely and hassle-free delivery so that our customers receive their orders on time. All necessary documents are also provided to the client at the time of delivery so that there is transparency and reliability in our services.
Stainless Steel 309 Bolts find extensive use in industries such as petrochemical processing, heat treatment, power generation, marine engineering, and construction. Their ability to endure high temperatures and corrosive environments makes them ideal for applications like furnaces, boilers, exhaust systems, and chemical equipment. These bolts are also perfect for securing machinery, pipelines, and heavy-duty components in both industrial and architectural settings. Thanks to their durability, oxidation resistance, and long service life, SS 309 bolts are a reliable choice for demanding applications.
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