Stainless Steel 309S is an austenitic stainless steel alloy that contains about 23% chromium and 13% nickel. This unique blend gives it remarkable resistance to corrosion and oxidation at high temperatures, while still providing good tensile strength and toughness. The bolts are known for their durability, heat resistance, and consistent mechanical performance in both oxidizing and mildly corrosive environments. Stainless Steel 309S maintains its shape and mechanical integrity even under high-temperature conditions, making it ideal for critical fastening tasks.
Stainless Steel 309S is an austenitic stainless steel alloy that contains about 23% chromium and 13% nickel. This unique blend gives it remarkable resistance to corrosion and oxidation at high temperatures, while still providing good tensile strength and toughness. The bolts are known for their durability, heat resistance, and consistent mechanical performance in both oxidizing and mildly corrosive environments. Stainless Steel 309S maintains its shape and mechanical integrity even under high-temperature conditions, making it ideal for critical fastening tasks.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 309S Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 309S |
| 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 309S |
| 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 | – |
Contact us to get a quick quote for your requirement.
Stainless Steel 309S bolts are high-temperature resistant fasteners with excellent corrosion resistance, ideal for extreme environments. They offer durability and strength for applications in industrial, aerospace, and chemical processing sectors.
Custom Stainless Steel 309S Hex Bolt is a precise, high heat resistant fastener with a square head, designed for precise applications that require excellent corrosion resistance and strength in harsh environments
Stainless Steel 309S leg bolt is a durable, high-temperature resistant fastener with a distinctive leg shape, ideal for securing components in demanding environments like industrial and aerospace applications.
Stainless Steel 309S expansion anchor bolt is a high-temperature resistant fastener designed for anchoring in concrete or masonry. It expands upon installation, providing strong, secure holding in harsh conditions.
Stainless Steel 309S hex flange head bolt features a hexagonal head with an integrated flange, offering high-temperature resistance and secure clamping in demanding applications, including industrial and structural uses.
Stainless Steel 309S full threaded bolts are high-temperature resistant fasteners with threads running the entire length, providing versatile applications in securing components and assemblies across industrial and aerospace environments.
We prioritize transparency and customer satisfaction by providing all necessary documentation at the time of delivery. This includes the commercial invoice, packaging list, heat treatment chart, quality assurance plan and the NABL-approved lab test report. Additionally, we offer further assurances with the Material Test Certificate (MTC), Positive Material Identification (PMI) Test Certificate, radiography test reports, and Third-Party Inspection Certificates, ensuring that you receive products of the highest quality and reliability.
These Stainless Steel 309S bolts find their place in industries that demand high-temperature strength, corrosion resistance, and long-term reliability. You’ll commonly see them in applications like boilers, heat exchangers, furnace components, chemical processing equipment, and industrial piping systems. They play a crucial role in securing flanges, pipelines, pressure vessels, and structural components that are subjected to high temperatures and mechanical stress. With their excellent mechanical performance, durability, and low maintenance needs, Stainless Steel 309S bolts offer secure, efficient, and long-lasting fastening solutions for even the most demanding industrial and high-temperature environments.
©2024 Walid Stainless All Rights Reserved.
