Mitchell Stainless has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 348 fasteners right here in Hamilton, New Zealand. With a focus on precision engineering and unwavering quality, the company caters to industries that demand exceptional corrosion resistance and high-temperature stability. The Stainless Steel 348 fasteners from Mitchell Stainless are crafted to meet international standards, guaranteeing reliability, durability, and outstanding performance in critical applications. Thanks to their state-of-the-art manufacturing facilities, skilled team, and a strong commitment to customer satisfaction, Mitchell Stainless provides fasteners that align perfectly with exact specifications while promoting long-term operational efficiency across various industrial sectors.
Stainless Steel 348 is a stabilized austenitic stainless steel that includes chromium, nickel, and niobium, with tantalum added to boost resistance against intergranular corrosion. This alloy boasts impressive tensile strength, remarkable toughness, and dependable creep resistance even at elevated temperatures. Its stabilized makeup prevents carbide precipitation during welding and exposure to high heat. Stainless Steel 348 fasteners offer excellent oxidation resistance, good ductility, and consistent mechanical performance, making them ideal for high-stress and high-temperature environments that require a long service life.
| 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 offer 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.
Stainless Steel 348 Stud Bolts provide 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.
Stainless Steel 348 Bolts are known for their 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.
Stainless Steel 348 Threaded Rods offer 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.
Stainless Steel 348 Screws provide 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.
Stainless Steel 348 Washers offer 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.
We provide essential documents such as commercial invoices, packaging lists, certificates of origin, and guarantee letters to ensure smooth transactions. Additionally our Third Party Inspection Certificate guarantees the quality and compliance of our products, ensuring complete client satisfaction. These documents are vital for transparency, traceability and assurance of the product’s quality and origin offering our clients peace of mind and confidence in their purchases.
Stainless Steel 348 fasteners find their place in a variety of industries that operate under extreme temperatures and corrosive conditions. Common applications include aerospace components, petrochemical equipment, heat exchangers, power generation systems, and exhaust assemblies. They are also essential in chemical processing plants and pressure vessels, where resistance to harsh environments is crucial.
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