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Stainless Steel 409 Stud Bolts are tough fasteners crafted for situations where you need a good balance of corrosion resistance, durability, and dependable mechanical performance. Being a ferritic stainless steel grade, 409 stands out for its impressive resistance to oxidation and thermal fatigue, which makes these stud bolts perfect for use in automotive exhaust systems, industrial machinery, and structural assemblies. Their sturdy design guarantees a secure hold even in the most demanding conditions.
These stud bolts are mainly made from iron and chromium, with a touch of titanium added to boost stability and prevent sensitization. The chromium not only helps with oxidation resistance but also offers moderate protection against corrosion. Thanks to their ferritic structure, these bolts are tough, stable, and have great thermal conductivity. They deliver reliable tensile strength, heat resistance, and mechanical durability, making them a solid choice for environments that are moderately corrosive or high in temperature.
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.
You’ll find Stainless Steel 409 Stud Bolts commonly used in automotive exhaust systems, heating setups, industrial equipment, and structural piping assemblies. Their unique blend of corrosion resistance, thermal stability, and mechanical strength ensures they perform reliably in high-temperature or moderately corrosive settings. These bolts are your go-to solution for secure, long-lasting fastening in industrial, automotive, and structural applications where you can’t compromise on reliability and durability.
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