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Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality stainless steel products. Among their offerings are Stainless Steel 409 Stud Bolts, designed for applications requiring good corrosion resistance, moderate strength, and excellent durability. These stud bolts are ideal for automotive, industrial, and exhaust system assemblies exposed to moderately corrosive or high-temperature environments. Each stud bolt is manufactured with precision and undergoes strict quality control to ensure consistent performance. Clients rely on 409 Stud Bolts for secure, reliable, and long-lasting fastening solutions in demanding industrial and mechanical projects.
Stainless Steel 409 Stud Bolts are made from a ferritic stainless steel alloy containing approximately 10–11.5% chromium with very low carbon content. This composition provides good corrosion resistance, moderate strength, and excellent resistance to oxidation at elevated temperatures. These bolts typically exhibit tensile strength between 500–650 MPa and hardness around 170–210 HB. The ferritic structure ensures dimensional stability, mechanical durability, and resistance to creep under moderate temperatures. 409 Stud Bolts are suitable for automotive, industrial, and mechanical fastening applications requiring reliability, corrosion resistance, 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 widely used in industries requiring heat-resistant, corrosion-resistant, and durable fastening solutions. They are ideal for automotive exhaust systems, mufflers, boilers, heat exchangers, and industrial machinery exposed to moderate temperatures and mildly corrosive environments. The ferritic structure ensures long-term dimensional stability, mechanical reliability, and resistance to oxidation. Engineers and technicians rely on 409 Stud Bolts for secure, consistent, and safe fastening performance. Walid Stainless ensures that each stud meets strict quality standards, providing dependable materials for automotive, industrial, and mechanical projects requiring strength, durability, and long-term reliability.
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