Home > Stainless Steel 409 Nuts
Majid Fasteners stands out as a top-notch manufacturer and supplier of Stainless Steel 409 Nuts, proudly based in Dubai, UAE. They specialize in providing strong and dependable fastening solutions tailored for tough industrial settings. Thanks to their cutting-edge production technology, rigorous quality control, and a talented team, the company consistently delivers precision-engineered nuts that excel in performance, boast a long service life, and offer outstanding reliability. The Stainless Steel 409 Nuts from Majid Fasteners are particularly prized for their heat resistance, weldability, and cost-effectiveness, making them ideal for high-temperature applications. With a strong focus on customer satisfaction, competitive pricing, and prompt delivery, Majid Fasteners caters to various industries, including automotive, petrochemical, power generation, construction, and marine engineering.
These Stainless Steel 409 Nuts are crafted from a ferritic stainless steel alloy, primarily made up of chromium, along with carbon, manganese, silicon, phosphorus, sulfur, and a touch of titanium for stabilization. They provide solid mechanical strength, moderate corrosion resistance, and excellent oxidation resistance even at elevated temperatures. These nuts maintain their structural integrity during thermal cycling and offer enhanced toughness and durability in both annealed and heat-treated forms. SS 409 Nuts are known for their good weldability and formability, while also resisting scaling at temperatures up to 675°C. Their mechanical performance makes them a great fit for demanding operating conditions.
| Standard | ASTM B564, ASME SB564 |
| Specification | DIN, ASTM, BS and all International Standards |
| Flat bar blocks | up to 27″ width and 15,000 lbs. |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs. |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs. |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
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 scenarios where heat, corrosion resistance, and weldability are crucial, especially in the automotive and industrial sectors. They’re commonly found in exhaust systems, mufflers, catalytic converters, and manifold fastening systems, thanks to their ability to endure high temperatures and gas exposure. Additionally, these nuts are utilized in heat exchangers, furnace equipment, boilers, power plant components, and various industrial machinery. In the construction and marine industries, they are the go-to choice for many applications.






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