Weston Stainless is a Midland, UK-based primary provider of top–grade stainless steel products, which include fasteners, fittings, and industrial parts. Among them, the Stainless Steel 348 Fasteners prove to be superior in resisting corrosion and showing strength in high temperatures. The fasteners are produced in different grades, and SS 348 is a stabilised austenitic stainless steel with niobium for superior performance. They are available in various shapes, such as bolts, nuts, washers, screws, and studs, providing versatility in various applications. Manufactured from high-quality stainless steel, SS 348 Fasteners provide superior durability, resistance to oxidation, and enhanced mechanical strength, which makes them suitable for industrial applications.
Stainless Steel 348 Fasteners consist of 17-19% chromium, 9-13% nickel, and supplemented niobium, which increases their resistance to intergranular corrosion and high-temperature oxidation. They contain good mechanical properties, including a tensile strength of around 550 MPa, a yield strength of around 220 MPa, and an elongation of 35%. The SS 348 Fasteners are hard between 160-190 HB, guaranteeing sustainability. Physically, the fasteners have a density of 7.93 g/cm³ and possess high thermal conductivity and thermal expansion properties, giving them a good fit for high-temperature use.
| 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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Exceptional corrosion resistance, particularly in harsh environments. They are available in various sizes, typically from M3 to M30, with standard dimensions conforming to ISO or ANSI specifications, ensuring secure fastening in industrial applications.
Superior corrosion resistance and are ideal for high-temperature applications. They usually come in sizes from M6 to M36 and lengths from 50 mm to 300 mm, meeting industrial standards for strength and durability.
High corrosion resistance and high-temperature performance. They are available in sizes from M6 to M30 and can be found in various lengths, complying with ANSI or ISO standards, and are suitable for heavy-duty applications.
Excellent resistance to oxidation and corrosion. They are commonly available in diameters from M6 to M30 and lengths ranging from 100 mm to 1000 mm. They are used in applications requiring continuous threading and high strength.
Robust corrosion resistance, particularly in aggressive environments. Available in sizes from M3 to M20 and lengths from 10 mm to 100 mm, they are used for precise and secure fastening in various mechanical assemblies.
Superior corrosion resistance and are used to distribute the load of a screw or bolt. They come in sizes from M4 to M36 and various thicknesses, adhering to standard dimensions for reliable performance in harsh conditions.
Stainless Steel 348 Fasteners are applied extensively in applications that need high corrosion and heat resistance. They are used widely in aerospace, power generation, and chemical processing facilities because of their capability to resist harsh temperatures. Stainless Steel 348 Fasteners find vital applications in exhaust systems, heat exchangers, boilers, and high-pressure vessels. The automotive and shipping industries also make use of them for their better oxidation resistance. Their intergranular corrosion resistance and weldability make them a first choice for application in construction, refineries, and nuclear reactors to ensure long-term performance in aggressive conditions.
Stainless Steel 348 Fasteners are supplied with essential test certificates, including Mill Test Certificates (MTC), third-party inspection reports, and compliance documents to guarantee quality. Packaging is done securely using wooden crates, bubble wraps, or carton boxes to prevent transit damage. Deliveries are prompt and efficient, catering to both domestic and international clients with reliable logistics support. Custom packaging and specifications are available to meet industry-specific requirements, ensuring complete customer satisfaction
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