Andre Stainless is a reputable producer and distributor of high-quality stainless steel products, headquartered in Pulau Ujong, Singapore. We cater to the various demands of industries with an emphasis on innovation, accuracy, and performance. Among our high-end products, Stainless Steel 348 Nuts are notable for their superior corrosion resistance, elevated-temperature tensile strength, and resistance to erosion. These stainless fasteners are designed to handle the demanding applications of sectors like aerospace, chemical processing, and power generation. Andre Stainless has earned its reputation for reliability and value and remains a valued partner throughout Singapore and the world for projects calling for reliable and high-performing stainless steel solutions.
Stainless Steel 348 Nuts are constructed of a stabilized austenitic stainless steel alloy, consisting essentially of 18% chromium, 10% nickel, and minor but vital additions of columbium (niobium) and tantalum. This alloy enhances resistance to intergranular corrosion, structural stability, and renders the nuts exceedingly resistant to high-temperature service. The alloy exhibits favorable mechanical strength, creep strength, and thermal stability, particularly in situations containing repeated cycling temperatures. These chemical and mechanical characteristics render SS 348 nuts as a desirable option for demanding applications where long-term performance in conditions of thermal as well as chemical stress is needed.
| 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.
Andre 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.
Stainless Steel 348 Nuts find broad applications in nuclear reactors, chemical plants, and aerospace systems because of their high resistance to heat, radiation stability, and protection from corrosion. These nuts are optimal for hot and humid environments, where the need for oxidation resistance is critical. They are especially efficient in chemical synthesis operations, power generation devices, and high-stress structural configurations. Their capability to withstand extreme conditions makes them ideal for furnace parts, heat exchangers, and thermal barriers. Regardless of whether in high-pressure tanks or thermal cycling environments, SS 348 nuts exhibit unparalleled reliability, strength, and safety guarantee.
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