Hassan Sheets and Plate stands out as a top-notch manufacturer and supplier in Riyadh, Saudi Arabia, known for delivering high-quality stainless steel products tailored to meet a variety of industrial needs. Among their impressive lineup, Stainless Steel 409 Nuts are particularly prized for their strength, heat resistance, and durability. These nuts are expertly designed to provide reliable fastening even in the toughest conditions, excelling in environments where high temperatures and oxidation are a concern. Crafted with precision and in line with global standards, Hassan’s Stainless Steel 409 Nuts promise long-lasting performance, cost-effectiveness, and versatility across automotive, structural, and industrial applications.
These nuts are primarily composed of iron, chromium (10.5–11.75%), along with small amounts of carbon, manganese, silicon, and titanium. The inclusion of titanium helps stabilize the material, minimizing the risk of intergranular corrosion. They boast moderate tensile strength ranging from 380 to 450 MPa, along with good elongation and weldability. These nuts maintain their mechanical integrity at temperatures up to 675°C, demonstrating impressive resistance to heat scaling and oxidation. Their toughness, paired with decent corrosion resistance in mildly corrosive environments, makes them ideal for medium-strength fastening tasks in high-temperature settings.
| Material | Specification | Standards | Size | Length |
| Stainless Steel 409 Nut | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | Content |
|---|---|
| Carbon | 0.08 maximum |
| Manganese | 1.00 maximum |
| Phosphorus, maximum | 0.045 maximum |
| Sulfur, maximum | 0.045 maximum |
| Silicon | 1.00 maximum |
| 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 nuts are ideal for high temperature applications. Available in sizes from M6 to M36, they are commonly used in automotive exhaust systems, heat exchanger systems and furnace components to provide durability and moderate corrosion resistance.
The stainless steel 409 coupling nuts are designed to connect the threaded rods in a high temperature environment. Sizes range from M6 to M36, making them perfect for use in automotive and industrial systems that require a combination of durable and durable components.
Featuring a nylon insert for a secure fastening, stainless steel 409 nylon insert nuts are available in sizes from M6 to M24. They offer high strength and moderate corrosion resistance, suitable for automotive and industrial applications.
Stainless steel 409 flange hex nuts for enhanced weight distribution with integrated flange. Available in sizes from M6 to M24, they are ideal for heavy duty vehicles and industrial applications that require durability.
Heavy duty stainless steel 409 heavy hex nuts are designed for high stress environments. Available in sizes from M6 to M36, these nuts are used in industrial machinery and automotive systems requiring high strength and moderate corrosion resistance.
Stainless steel 409 square nuts provide large surface area for efficient torque application. Sizes range from M6 to M24, making them suitable for secure bonding in industrial environments with corrosive softness.
Stainless Steel 409 Nuts find extensive application in automotive exhaust systems, manifolds, and catalytic converters, where heat and scaling resistance are crucial. They’re also utilized in power plants, petrochemical industries, and structural assemblies that require durability under elevated temperatures. Furthermore, these nuts are perfect for furnace components, heat exchangers, and industrial machinery that operate in mildly corrosive conditions. Their ease of fabrication, weldability, and cost-effectiveness make them a dependable choice for fastening needs across construction, mechanical systems, and high-temperature environments.
Stainless steel 409 nuts are widely used where high temperatures require good oxidation and corrosion resistance. The ability to withstand high temperatures and gaseous corrosion makes them commonly used in automotive exhaust systems such as mufflers, catalytic converters, tailpipes and industrial heat exchangers, furnace components, and other areas a high temperature required for durability and long-term efficiency providing a variety of services.
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