MERIH STAINLESS, based in Istanbul, Turkey, is a reputable manufacturer and supplier of Stainless Steel 348 nuts, delivering top-notch fastening solutions for industries that demand outstanding heat resistance, corrosion resistance, and mechanical strength. Thanks to cutting-edge production technology and rigorous quality control, MERIH STAINLESS guarantees that each nut adheres to international standards for precision, durability, and reliability. These Stainless Steel 348 nuts are designed to excel in tough environments, providing excellent dimensional stability and resistance to high-temperature oxidation and scaling. Offered in a range of sizes and specifications, they are commonly utilized in power generation, chemical, petrochemical, and industrial sectors.
Stainless Steel 348 nuts are austenitic stainless steel fasteners primarily made of iron, chromium, nickel, and stabilized with titanium. This unique composition gives them high-temperature strength, remarkable corrosion resistance, and mechanical durability. The titanium stabilization helps prevent carbide precipitation, ensuring that the nuts retain their structural integrity, dimensional stability, and resistance to stress corrosion cracking even when exposed to elevated temperatures for extended periods. These nuts are perfect for critical industrial and engineering applications that require dependable performance and longevity.
| 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.
In industries that need high-temperature, corrosion-resistant, and mechanically robust fastening solutions, Stainless Steel 348 nuts are a go-to choice. They are particularly suited for boilers, heat exchangers, pressure vessels, chemical processing equipment, and power generation plants. Moreover, they are also used in petrochemical and industrial machinery that face high temperatures and corrosive conditions. Their durability, resistance to scaling and oxidation, and long service life minimize maintenance requirements and ensure reliable operation. Stainless Steel 348 nuts offer efficient, trustworthy, and long-lasting solutions for essential industrial applications.
Stainless steel 348 nut is commonly used in warm and humid climates. It has a very excellent design to be used in nuclear reactors as the radiation and thermal resistance is an important requirement in the design of nuclear reactors. These are also used in the synthesis of chemicals as it gives hardness and durability in extreme conditions. They are appropriate for aerospace and ensure great stability and reliability. Additionally, it is applied in heat exchangers and furnace parts for performance and durability in extreme temperatures and warm surroundings.
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