Ranya Stainless, a leading manufacturer and supplier based in Muscat, Oman, offers high-quality Stainless Steel 405 Nuts designed to deliver strength, durability, and reliable performance in demanding industrial and automotive applications. Known for their excellent heat resistance, oxidation resistance, and moderate corrosion protection, these nuts provide secure fastening even under high temperatures and mechanical stress. Manufactured with precision and advanced technology, Stainless Steel 405 Nuts ensure dimensional accuracy and consistent quality. Serving industries such as automotive, chemical processing, power generation, and heavy engineering, Ranya Stainless delivers fastening solutions that meet international standards and provide long-lasting performance.
Stainless Steel 405 Nuts are primarily composed of iron, chromium, and low carbon, with small additions of aluminum to enhance oxidation resistance and reduce hardening during welding. This ferritic stainless steel grade offers moderate tensile strength, good ductility, and excellent thermal stability. SS 405 Nuts maintain mechanical integrity, dimensional accuracy, and resistance to scaling at elevated temperatures. Their composition ensures reliable performance, long-term durability, and suitability for industrial, automotive, and engineering applications that require cost-effective, high-temperature resistant fastening components.
|
C |
Cr |
Fe |
Mn |
Si |
S |
P |
Ni |
Al | |
|
405 |
0.08 max |
min: 11.5 max: 14.5 |
balance |
1.0 max |
1.0 max |
0.03 max |
0.04 max |
0.50 max |
min: 0.1 max: 0.3 |
|
Grade |
Tensile Strength ksi (MPa) min |
Yield Strength 0.2% offset ksi (MPa) min |
Elongation (% in 50mm) min |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|
405 |
60 (415) |
25 (170) |
20 |
179 |
88 |
|
Denstiy lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F |
Specific Heat BTU/lbm -°F |
Modules of Elasticity (annealed)2-psi |
|
|
at 68 °F |
at 68 – 212°F |
at 68 – 1832°F |
at 200°F |
at 32 – 212°F |
in tension (E) |
|
0.279 |
9.2 |
20.5 |
416 |
0.11 |
28 x 106 |
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A corrosion-resistant product, Stainless Steel 405 nuts are available in sizes ranging from M6 to M64. These nuts are designed for moderate corrosion and oxidation resistance, making them ideal for automotive and thermal processing applications.
A corrosion-resistant product, Stainless Steel 405 coupling nuts are designed to connect two male threads. Available in sizes from M6 to M36, they offer excellent strength and durability for extended thread length connections in moderate corrosion environments.
A corrosion-resistant product, Stainless Steel 405 nylon insert nuts, also known as lock nuts, come in sizes from M3 to M36. They feature a nylon collar that prevents loosening due to vibration, providing secure fastening in various industrial applications.
A corrosion-resistant product, Stainless Steel 405 flange hex nuts have an integrated washer-like flange. Available in sizes from M5 to M20, these nuts distribute the load over a larger area, reducing the risk of damage and ensuring a secure fit.
A corrosion-resistant product, Stainless Steel 405 heavy hex nuts are characterized by their thicker and larger size, providing increased strength. Sizes range from M10 to M48, making them suitable for heavy-duty applications requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 405 square nuts offer a larger surface area in contact with the part being fastened, reducing the risk of deformation. Available in sizes from M6 to M30, they are ideal for use in tight spaces and heavy clamping applications.
Ranya Stainless is providing the quality material using rigorous testing procedure. All products, including 405 Stainless Steel Nuts, are tested as per hardness by chemical analysis as per spectroanalysis, PMI testing, tensile testing micro and macrostructural tests, and pitting as well as IGC testing. These checks ensure superior performance from our materials. Along with our commitment towards quality, we provide all relevant documents such as commercial invoices, packaging lists having net and gross weights, box numbers, labels, and a Certificate of Origin legalized or attested by the Chamber of Commerce or Embassy. Our Third-Party Inspection Certificate also ensures that our customers have complete satisfaction over the price as well as the delivery of Stainless Steel 405 Nuts.
Stainless Steel 405 Nuts are widely used in industries where heat resistance, mechanical strength, and moderate corrosion protection are essential. They are commonly applied in automotive exhaust systems, industrial furnaces, heat exchangers, and annealing equipment. These nuts are also suitable for piping systems, structural assemblies, and machinery operating under high-temperature conditions. With excellent dimensional stability, thermal resistance, and durability, SS 405 Nuts provide secure and long-lasting fastening solutions. Their combination of reliability and cost-effectiveness makes them ideal for automotive, power generation, chemical, and heavy engineering applications.







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