Adam Stainless is your go-to source for top-notch **Stainless Steel 409 nuts** right from Canberra, Australia. These nuts are designed with strength and durability in mind, making them a cost-effective choice for environments that face moderate corrosion and high temperatures. Each nut is crafted to meet international standards, guaranteeing precise threading, a smooth surface finish, and reliable performance. Customers appreciate Adam Stainless’s Stainless Steel 409 nuts for their stability, ease of installation, and their ability to hold tight even when exposed to thermal cycling and vibrations.
These nuts are made from a ferritic stainless steel alloy, primarily consisting of iron, with 10.5–11.75% chromium and a touch of titanium to boost structural stability. This unique blend not only enhances resistance to oxidation and corrosion but also ensures solid mechanical strength. With a tensile strength of around 450 MPa and a yield strength close to 240 MPa, they can withstand temperatures up to 675°C, making them perfect for automotive and heat-exposed applications.
| 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.
You’ll find Stainless Steel 409 nuts commonly used in **automotive exhaust systems**, **heat exchangers**, **furnace assemblies**, and **industrial machinery** that operate under moderate corrosive and thermal conditions. They’re also a great fit for **chemical processing equipment** and **structural assemblies** where cost-effectiveness and temperature resilience are key. With Adam Stainless’s Stainless Steel 409 nuts, you can count on reliable, long-lasting fastening solutions that ensure strong, corrosion-resistant connections across a wide range of industrial and commercial uses.
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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