Home > Stainless Steel 409 Nuts
Majid Fasteners has built a solid reputation as a leading manufacturer and supplier of top-notch Stainless Steel 409 Nuts in Dubai, UAE. They provide durable and budget-friendly fastening solutions tailored for automotive, industrial, and engineering needs. With a strong focus on quality and precision, the company crafts nuts that can handle high temperatures and mildly corrosive environments. The Stainless Steel 409 Nuts from Majid Fasteners are known for their impressive heat resistance, structural integrity, and long-lasting performance. Thanks to their cutting-edge manufacturing technology, rigorous quality checks, and prompt delivery, Majid Fasteners consistently meets the needs of customers both locally and internationally with reliable fastening products designed for durability and efficiency.
These Stainless Steel 409 Nuts are primarily made up of chromium, iron, and carefully controlled amounts of carbon, manganese, and silicon. As a ferritic stainless steel grade, SS 409 boasts good oxidation resistance, moderate corrosion resistance, and outstanding performance in high-temperature settings. These nuts maintain stable mechanical strength, reasonable ductility, and resistance to scaling in heat-exposed conditions. While they may not be as corrosion-resistant as some higher grades, SS 409 strikes a practical and cost-effective balance between durability and heat tolerance, making it ideal for medium-duty applications that face thermal cycling and exposure to exhaust gases.
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 | – |
You’ll find Stainless Steel 409 Nuts widely used in industries where components need to withstand high temperatures, thermal cycling, and moderate corrosion. They are commonly found in automotive exhaust systems, mufflers, catalytic converters, heat shields, and emission control devices due to their excellent heat resistance. Additionally, these nuts are utilized in furnace equipment, power generation units, industrial ventilation systems, and machinery that deal with hot gases or heat-processing operations. They also play a role in construction, agricultural machinery, and general fabrication, where a reliable yet economical fastening solution is essential.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.