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Njabulo Stainless, located in Cape Town, South Africa, has earned a solid reputation as a reliable manufacturer and supplier of Stainless Steel 409 Stud Bolts, celebrated for their exceptional quality and durability. With a strong focus on precision engineering and ensuring customer satisfaction, Njabulo Stainless delivers fastening solutions that stand up to tough conditions. Our Stainless Steel 409 Stud Bolts are crafted using cutting-edge technology, guaranteeing outstanding corrosion resistance, heat tolerance, and strength. Tailored to meet a variety of industrial standards, our products are perfect for automotive, chemical, and structural applications where long-lasting performance and reliability are crucial.
These Stainless Steel 409 Stud Bolts are primarily made of iron, with 10.5–11.75% chromium, along with small amounts of carbon, manganese, and silicon. This ferritic stainless steel grade provides moderate corrosion resistance and excellent oxidation resistance, even in high-temperature settings. Mechanically, it boasts good tensile and yield strength, along with improved formability and weldability. Its ability to withstand exhaust gas corrosion makes it a great fit for high-temperature and mildly corrosive environments, ensuring structural integrity and performance over time.
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, heat exchangers, and mufflers, thanks to their impressive resistance to oxidation and corrosion at elevated temperatures. They’re also essential in power generation, refinery equipment, and petrochemical industries where durability and heat stability are a must. In construction and engineering, these bolts offer secure fastening in environments that face heat and moisture. Their cost-effectiveness, mechanical strength, and corrosion resistance make them a top choice for both industrial and commercial applications that require dependable fastening performance.
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