Ranya Stainless, a leading manufacturer and supplier based in Muscat, Oman, offers high-quality Stainless Steel 409 Nuts designed to deliver durability and consistent performance in demanding environments. Known for their excellent heat resistance and moderate corrosion resistance, these nuts are engineered to meet industrial fastening needs with precision and reliability. Ranya Stainless ensures every product adheres to strict quality standards, making SS 409 Nuts ideal for automotive, fabrication, and mechanical applications. With advanced manufacturing processes and a customer-focused approach, the company provides dependable fastening solutions that serve a wide range of industries across Oman and beyond.
Stainless Steel 409 Nuts are primarily composed of chromium with low carbon content, offering enhanced weldability and good resistance to high-temperature oxidation. Their ferritic structure ensures moderate tensile strength, durability, and stability under heat exposure. SS 409 also contains trace elements like titanium or niobium in some variants, improving structural integrity and reducing carbide precipitation. These nuts exhibit reliable mechanical performance, including toughness, dimensional accuracy, and resistance to scaling at elevated temperatures, making them suitable for industrial fastening applications requiring strength, heat tolerance, and cost-effective corrosion resistance.
| 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.
Stainless Steel 409 Nuts are widely used in industries where heat resistance and structural durability are essential. They are commonly applied in automotive exhaust systems, mufflers, catalytic converters, and engine components due to their ability to withstand high temperatures. These nuts are also suitable for furnace equipment, heat exchangers, and thermal processing units. In fabrication and general engineering, SS 409 Nuts provide secure fastening for machinery, metal structures, and industrial assemblies. Their balance of affordability, corrosion resistance, and heat stability makes them an ideal choice for automotive, chemical, fabrication, and mechanical industries.
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