High-performance stainless steel 309S fasteners are available from Harsh Metalloys, a reputable company in the production and distribution of stainless steel with headquarters in Mumbai, India. Our SS 309S fasteners are made with premium raw materials and cutting-edge fabrication techniques to guarantee strength, dependability, and corrosion resistance. They are designed for use in areas that are corrosive and hot. These fasteners are extensively utilised in sectors like power generation, thermal processing, and petrochemicals and satisfy international standards. The mission of Harsh Metalloys is to provide customers with reliable fastening solutions for crucial industrial applications by providing precision-engineered products on time and with attentive customer service.
With a low carbon content that improves weldability and reduces carbide precipitation during welding, stainless steel 309S fasteners are composed of 22–24% chromium and 12–15% nickel. In temperatures as high as 1000°C, these fasteners provide exceptional resistance to oxidation and corrosion. Mechanically, they have an elongation of 40%, a yield strength of about 205 MPa, and a tensile strength of about 520 MPa. In demanding industrial environments, SS 309S fasteners are appropriate for both static and dynamic applications due to their high structural integrity under thermal stress.
Stainless Steel 309s Fasteners Specifications | |
| Grade | Stainless Steel 309S Fasteners. |
| Standard | ASTM A193 / A194, ASME SA193 / SA194, IS, BS, ANSI |
| Size | M02 to M33 |
| Length | UPTO 5 METERS |
| Surface Coating | Hot Dipped Galvanizing 309s Stainless Steel Fasteners, Phosphate 309s Stainless Steel Fasteners, Teflon 309 Stainless Steel Fasteners, Ptfe Coated 309s Stainless Steel Fasteners, Xylon 309 Stainless Steel Fasteners, Zinc 309s Stainless Steel Fasteners, Cadmium 309 Stainless Steel Fasteners |
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 |
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Stainless Steel 309s Bolts are available in sizes ranging from M6 to M64 and lengths from 10mm to 200mm. They offer high corrosion resistance, making them suitable for high-temperature environments and demanding applications.
SS 309S Nuts come in sizes M6 to M64, providing excellent corrosion resistance and high strength. They are ideal for chemical processing and high-temperature applications, ensuring secure and reliable fastening.
SS Stud bolts in 309S range from M6 to M64 in diameter and are available in lengths up to 200mm. They offer superior corrosion resistance and are commonly used in high-temperature and high-stress environments, such as petrochemical plants.
These screws are available in sizes from M1.6 to M12, with lengths up to 100mm. They provide excellent corrosion resistance and are suitable for various applications, including construction, automotive, and industrial machinery.
Threaded rods in 309S come in sizes from M6 to M64 and lengths up to 3000mm. Known for their corrosion resistance and high strength, they are used in construction, marine, and high-temperature applications.
SS 309S washers are available in sizes ranging from M6 to M64. They provide excellent corrosion resistance and are used to distribute the load of a fastener, ensuring secure and stable assemblies in various applications, including high-temperature environments.
Applications needing strength and resistance to corrosive environments and high temperatures are best suited for stainless steel 309S fasteners. They are frequently found in boilers, furnaces, incinerators, flue gas systems and heat exchangers. These fasteners are essential for securing reactors, valves, piping systems, and other components that contain pressure in the petrochemical and power industries. They are appropriate for use in exhaust systems, structural assemblies, and thermal processing equipment due to their exceptional thermal stability. Engineers and manufacturers in a variety of heavy-duty industries favour SS 309S fasteners because they guarantee long-term performance and safety in demanding environments.
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