Renowned for providing premium stainless steel products that are suited to the exacting requirements of various industries, Vinit Stainless is a leading manufacturer and supplier with headquarters in Chennai, India. Stainless Steel 348 Nuts, which are renowned for their remarkable mechanical strength, heat resistance, and corrosion resistance, are one of our specialty products. These precisely designed fasteners are perfect for vital applications in the nuclear, chemical, power generation, and aerospace industries because they are made to meet international quality standards. Vinit Stainless stands out as a dependable and long-lasting partner for stainless steel solutions in India and abroad thanks to its dedication to customer satisfaction, prompt delivery, and value-added service.
About 18% chromium, 10% nickel, and a stabilized addition of columbium (niobium) and tantalum make up Stainless Steel 348 Nuts. These elements improve resistance to intergranular corrosion and stop carbide precipitation. At high temperatures, this austenitic stainless steel shows outstanding creep resistance, oxidation resistance, and mechanical strength. The nuts are perfect for high-stress and hot conditions because they have a tensile strength of about 550 MPa and good elongation and yield strength. Long-term performance under challenging circumstances, weldability, and dimensional accuracy are guaranteed by their metallurgical stability.
| Element | Content (%) |
|---|---|
| Iron, Fe | 66 |
| Chromium, Cr | 18 |
| Nickel, Ni | 10 |
| Manganese, Mn | 2.0 |
| Silicon, Si | 1.0 |
| Nb + Ta | 0.8 |
| Cobalt, Co | 0.2 |
| Tantalum, Ta | 0.1 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength (@ strain 0.200%) | 275 MPa | 39900 psi |
| Izod impact | 120 – 160 J | 88.5 – 118 ft-lb |
| Charpy impact | 160 J | 118 ft-lb |
| Shear modulus (typical for steel) | 77.0 GPa | 11200 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 45% | 45% |
| Hardness, Brinell (converted from Rockwell B hardness) | 147 | 147 |
| Hardness, Knoop (converted from Rockwell B hardness) | 164 | 164 |
| Hardness, Rockwell B | 85 | 85 |
| Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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Stainless steel 348 nuts are ideal for high temperature applications. Available in sizes from M6 to M36, these nuts are highly resistant to corrosion and oxidation, making them suitable for nuclear reactors and chemical devices.
The stainless steel 348 coupling nuts are designed to connect threaded rods in harsh environments. Sizes range from M6 to M36, making them ideal for applications in hot and humid environments, such as medical plants and power plants
Stainless steel 348 nylon insert nuts have nylon inserts for secure fastening. Available in sizes from M6 to M24, they offer high thermal stability and resistance, suitable for use in aerospace and industrial equipment.
Stainless steel 348 flange hex nuts for enhanced weight distribution with integrated flanges. Available in sizes from M6 to M24, these panels are used in complex applications such as furnace components and heat exchangers, providing strong support.
Heavy duty stainless steel 348 hex nuts are designed for high stress and high temperature environments. Available in sizes from M6 to M36, they are ideal for use in industrial equipment and nuclear reactors, providing exceptional strength and durability.
Stainless steel 348 square nuts provide large surface area for efficient torque application. Sizes range from M6 to M24, making it suitable for secure communications in hot environments, such as chemical applications and space applications.
Vinit Stainless delivers quality Stainless Steel 348 Nuts with consistent performance, as tested under wide-ranging tests like hardness tests, spectro analysis, PMI, and flaring tests. In addition, micro and macro tests, pitting resistance, and IGC tests confirm that the nuts are of superior quality that we deliver. We ensure complete documentation, such as commercial invoices, packing lists showing net and gross weights, box numbers, and labels besides our testing protocols. Our legalized or attested Certificate of Origin along with Third-Party Inspection Certificates ensures our uncompromising commitment to delivering exceptional products and unparalleled customer satisfaction.
348 Stainless Steel Nuts are frequently utilized in applications requiring superior corrosion protection, mechanical durability, and heat resistance. Their ability to withstand radiation and high temperatures makes them ideal for use in nuclear reactor components. They offer strength and resistance to corrosion in harsh chemical processing environments. Their stability and dependability, even in changing conditions, are advantageous for aerospace components. Furthermore, where performance under thermal cycling is crucial, SS 348 nuts are perfect for boilers, heat exchangers, furnace parts, and superheater tubes. Their versatility and resilience are highlighted by their use in corrosive, warm, and humid conditions.
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