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Niazi Stainless is a well-respected manufacturer and supplier located in Manama, Bahrain, specializing in high-quality Stainless Steel 409 Stud Bolts for a variety of industrial applications. With a strong commitment to durability, precision, and adherence to international manufacturing standards, the company provides fastening solutions that are reliable even in the toughest conditions. Their SS 409 Stud Bolts are celebrated for their impressive heat resistance, good weldability, and long-lasting performance. Supported by state-of-the-art production facilities, rigorous quality control, and a customer-focused approach, Niazi Stainless has built a solid reputation among clients throughout Bahrain and the Gulf region as a trusted source for premium stainless steel fasteners.
Stainless Steel 409 Stud Bolts are primarily made from ferritic stainless steel, which contains about 10.5–11.75% chromium and low carbon content, enhancing their weldability and oxidation resistance. In terms of mechanical properties, SS 409 offers moderate tensile strength, good toughness, and excellent resistance to high-temperature corrosion. While it may not be as corrosion-resistant as austenitic grades, it performs admirably in mildly corrosive and high-heat environments. Its well-balanced composition ensures stability during thermal cycling, making Stainless Steel 409 Stud Bolts ideal for applications that require heat resistance, weldability, and dependable structural performance.
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.
These bolts are widely utilized in industries that need heat-resistant and cost-effective fastening solutions. They’re commonly found in automotive exhaust systems, heat exchangers, furnace components, and thermal processing equipment, thanks to their strong resistance to oxidation and scaling at high temperatures. Additionally, they are used in petrochemical plants, power generation units, and industrial machinery where moderate corrosion resistance is adequate. Their excellent weldability also makes them perfect for fabrication projects and structural assemblies that are subjected to varying temperatures. Overall, SS 409 Stud Bolts are a popular choice for applications that demand reliability and performance.
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