Reputable for producing and supplying premium stainless steel 309S bolts, Harsh Metalloys is based in Mumbai, India. These bolts, which are made with premium-grade raw materials and cutting-edge technology, are designed to perform exceptionally well in corrosive and high-temperature environments. Harsh Metalloys guarantees that every SS 309S Bolt offers remarkable strength, durability, and dependability by closely adhering to international quality standards. The petrochemical, power generation, and thermal processing industries all make extensive use of these bolts. Harsh Metalloys is well-known for their accuracy, reliability, and prompt delivery. They continue to provide long-lasting and efficient stainless steel fastening solutions to customers worldwide.
With a low carbon content that improves weldability and lowers the possibility of carbide precipitation, stainless steel 309S bolts have 22–24% chromium and 12–15% nickel. These bolts are appropriate for demanding operating environments because of their exceptional resistance to corrosive media and high-temperature oxidation. Mechanical characteristics include a 40% elongation, a yield strength of 205 MPa, and a tensile strength of roughly 520 MPa. Under mechanical and thermal stress, SS 309S bolts maintain their strength and structural integrity, which makes them perfect for demanding applications requiring long service life and durability.
|
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 | – |
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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.
For use in extremely corrosive and hot conditions, stainless steel 309S bolts are perfect. Industries like petrochemical, chemical processing, power generation, and furnace manufacturing make extensive use of them. Fastening in heat exchangers, boilers, reactors, flue gas systems and high-temperature pipe assemblies are among the applications. They are appropriate for securing parts in exhaust systems, incinerators, and industrial ovens due to their mechanical strength and resistance to oxidation. Additionally, structural frameworks subjected to heat cycling employ SS 309S bolts. In crucial operations where failure is not an option, their robustness and dependability guarantee secure, long-lasting fastening.
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