Based in Delhi, India, Harshita Stainless is a well-known producer and supplier of stainless steel 309 fasteners, providing dependable fastening solutions designed for corrosive and high-temperature conditions. The business provides fasteners that satisfy international standards and serve a variety of industrial sectors, placing a high priority on quality, accuracy, and performance. Harshita Stainless guarantees that each fastener offers exceptional strength and durability by using sophisticated production techniques and stringent quality checks. Customers throughout India rely on Harshita Stainless for reliable stainless steel fasteners that function in even the most demanding applications, from the petrochemical to the power generation industries.
Stainless Steel 309 Fasteners have a maximum carbon content of 0.20%, balanced amounts of silicon and manganese, and 22–24% chromium and 12–15% nickel. Up to 1038°C (1900°F), this austenitic alloy is made to be strong at high temperatures and to have outstanding resistance to oxidation and scaling. Mechanical characteristics include an approximate elongation of 40%, a yield strength of 205 MPa, and a tensile strength of 550 MPa. These fasteners are perfect for applications involving extended exposure to heat and corrosive elements because they maintain their strength and do not suffer from thermal fatigue.
| 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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Stainless Steel 309 Nuts are designed for high-temperature applications with excellent resistance to oxidation and scaling. Available in sizes from M6 to M30, they securely fasten components in harsh environments.
Stainless Steel 309 Stud Bolts 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.
Stainless Steel 309 Bolts are suitable for high-temperature and aggressive environments. Sizes typically range from M6 to M30, providing reliable performance and strength in demanding applications.
Stainless Steel 309 threaded rods offer 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.
Stainless Steel 309 screws are 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.
Stainless Steel 309 washers 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 from Harshita Stainless are packaged with the utmost care to ensure they arrive in perfect condition. Our fasteners are carefully wrapped in protective materials to prevent any damage during transportation. This packaging safeguards the products from environmental factors and handling mishaps. We follow an efficient shipping process to ensure timely delivery. A reliable courier service is typically used, with tracking provided until the package reaches its destination. With careful packaging and a surety shipping process, customers can rely on the safe arrival of their Stainless Steel 309 Fasteners.
Applications needing high strength, heat resistance, and corrosion resistance frequently use stainless steel 309 fasteners. Heat exchangers, boilers, flue gas systems, furnace parts, and other high-temperature processing equipment are typical applications. Power plants, petrochemical facilities, cement factories, and thermal processing machinery that exposes materials to high temperatures and chemicals are the perfect places for these fasteners. They are appropriate for joining parts in structural and pressure-retaining systems due to their superior mechanical qualities and resistance to oxidation. Furthermore, 309 fasteners are frequently found in industrial and marine exhaust systems due to their long service life and dependability in harsh environments.
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