Harsh Metalloys is a reputed manufacturer and supplier of SS 405 Nuts, based in Mumbai, India. Our stainless steel 405 nuts are engineered for strength, thermal resistance, and durability in moderate corrosive environments. SS 405 is a ferritic stainless steel known for its good oxidation resistance and weldability, making it ideal for high-temperature applications. At Harsh Metalloys, we use high-quality raw materials and advanced manufacturing techniques to deliver precision-engineered fasteners. With a focus on quality, reliability, and on-time delivery, we serve a wide range of industries including automotive, power plants, fabrication, and thermal processing units across domestic and international markets.
SS 405 Nuts are made from ferritic stainless steel alloy containing 11.5–14.5% chromium, low carbon, and small additions of aluminum to improve oxidation resistance. These nuts offer moderate corrosion resistance and are optimized for thermal environments. They exhibit a tensile strength of approximately 415–585 MPa and a yield strength around 205 MPa. The alloy’s reduced carbon and aluminum content enhance machinability and resistance to thermal fatigue. SS 405’s ferritic structure ensures good dimensional stability, making these nuts suitable for use in applications involving welding, thermal cycling, and moderate corrosive exposure.
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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.
Harsh Metalloys 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.
SS 405 Nuts from Harsh Metalloys are commonly used in applications that demand moderate corrosion resistance and high-temperature performance. Typical uses include fastening components in exhaust systems, turbines, heat exchangers, and furnace assemblies. They are ideal for thermal power plants, automotive manufacturing, and industrial equipment exposed to fluctuating temperatures. These nuts are particularly valuable in welded assemblies due to their resistance to post-weld cracking and distortion. Their stability in oxidizing environments makes them a preferred choice in thermal processing equipment, making SS 405 nuts a reliable solution for both structural and high-temperature fastening needs.
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