Based in Kolkata, India, Aditya Stainless is a well-known producer and supplier of premium stainless steel parts that are renowned for their long-lasting performance and precise engineering. Among our wide variety of products, Stainless Steel 409 Nuts are particularly dependable fastening options for sectors like chemical processing, construction, and automobiles. These nuts are favored in demanding applications due to their strength, resistance to corrosion, and affordability. Quality, innovation, and client satisfaction are our top priorities at Aditya Stainless. We remain a reliable partner for high-end stainless steel solutions in India and abroad by providing goods that meet international standards.
The ferritic stainless steel alloy used to make Stainless Steel 409 Nuts is mainly made up of 10.5–11.75% chromium, with up to 0.75% titanium added for increased stability and corrosion resistance. Particularly in high-temperature settings, these nuts provide good thermal stability, exceptional oxidation resistance, and moderate tensile strength. They are adaptable for a range of applications due to their good formability and weldability. Although they are not as resistant to corrosion as austenitic grades, they are still a popular option in industrial settings with high temperatures and mild corrosion because of their affordability, heat resistance, and structural integrity.
| 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.
We take great care in packing and shipping our Stainless Steel 409 Nuts securely. Usually, a wooden box with strips is used to secure the nuts, which are packaged in waterproof material. For easy transport, they also feature a lifting point. The documents must be a commercial invoice, certificate of origin, fumigation certificate, heat treatment chart, quality assurance plan, and material testing certificates. In fact, our goal is to get these products into our customers in perfect condition and on time, which guarantees full satisfaction on their part.
High-temperature, mildly corrosive settings where economical durability is crucial are common uses for stainless steel 409 nuts. Because of their resistance to thermal cycling and gaseous corrosion, they are most frequently used in automotive exhaust systems, including mufflers, tailpipes, and catalytic converters. These nuts are also used in chemical processing facilities, heat exchangers, and industrial furnaces where resistance to oxidation at high temperatures is essential. They are the perfect choice for securing parts in machinery, metal structures, and other heat-sensitive industrial systems because of their strength, stability, and ease of maintenance.
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