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Aditya Stainless, a reputable manufacturer and supplier based in Kolkata, India, specializes in high-quality Stainless Steel 409 Stud Bolts designed for high-temperature and moderately corrosive environments. SS 409 is a ferritic stainless steel celebrated for its outstanding weldability, thermal stability, and resistance to oxidation, making it perfect for fastening components that come into contact with exhaust gases and heat. At Aditya Stainless, we produce these stud bolts with meticulous attention to detail and rigorous quality controls to ensure they meet international standards. Our 409 stud bolts find extensive use in the automotive, construction, power generation, and industrial equipment sectors, where reliable and cost-effective fastening solutions are crucial.
Stainless Steel 409 Stud Bolts are made up of chromium (10.5–11.75%), carbon (max 0.08%), along with trace elements like silicon, manganese, phosphorus, and sulfur. This ferritic stainless steel boasts a tensile strength ranging from 380–450 MPa and a yield strength of 170–240 MPa. SS 409 offers good formability, weldability, and moderate resistance to corrosion. It retains its mechanical integrity even at elevated temperatures, making it suitable for applications that involve thermal cycling. Its well-balanced mechanical and chemical properties make 409 stud bolts perfect for structural and exhaust-related applications that demand both strength and heat resistance.
Material | Specification | Standards | Size | Length |
Stainless Steel 409 Stud Bolt | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
|
Element |
Content |
|---|---|
|
Carbon |
0.08 max |
|
Manganese |
1.00 max |
|
Phosphorus, max |
0.045 max |
|
Sulfur, max |
0.045 max |
|
Silicon |
1.00 max |
|
Nickel |
0.5 |
|
Chromium |
11.75 |
|
Molybdenum |
– |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 450 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 240 |
| Elongation in 4D (El) | 25% min |
| Reduction | – |
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Stainless Steel 409 Flange Stud Bolts are designed for robust performance in high-temperature and corrosive environments. Their flange design ensures secure, stable connections, making them ideal for automotive and industrial uses.
Stainless Steel 409 Tap End Stud Bolts are engineered for durability and strength in high-temperature applications. Their tap end design provides secure threading and reliable performance in demanding automotive and industrial settings.
Stainless Steel 409 Double End Stud Bolts feature threaded ends for versatile applications, offering exceptional strength and corrosion resistance. Ideal for high-temperature environments, they ensure reliable, durable performance in automotive and industrial settings.
We ensure 100% transparency for our Stainless Steel 409 Stud Bolts with quality assurance measures. We provide all the orders with critical documents, which include a commercial invoice, packing list, fumigation certificate, heat treatment chart, and a NABL-certified lab test report. We also give a Material Test Certificate as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. Our well-structured documentation process is mainly aimed at achieving client satisfaction at the highest possible level.
Stainless Steel 409 Stud Bolts are commonly found in automotive exhaust systems, mufflers, emission control components, and diesel particulate filters, thanks to their excellent thermal and oxidation resistance. In the realm of industrial equipment, they are utilized in heat exchangers, furnace assemblies, and ventilation systems. These bolts also play a vital role in construction, HVAC systems, agricultural machinery, and moderate chemical processing environments. Their cost-effective durability and thermal resilience make them an ideal choice for non-critical structural fastening applications where exposure to high temperatures is a factor.
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