Lecong Stainless is a reputable manufacturer and supplier based in Da Nang, Vietnam, known for its top-notch Stainless Steel 384 Fasteners. These fasteners are crafted for strength, corrosion resistance, and reliability, making them perfect for tough environments. Stainless Steel 384 is an austenitic grade that boasts a higher nickel content than the standard 304, which translates to excellent ductility, toughness, and resistance to stress corrosion cracking. Each fastener is precision-engineered to provide secure and durable fastening solutions across various industries that face challenges from chemical, marine, and industrial conditions. With state-of-the-art production facilities and rigorous quality control, Lecong Stainless guarantees that their Stainless Steel 384 Fasteners meet international standards and deliver consistent performance.
These fasteners primarily consist of iron, chromium (18–20%), nickel (34–36%), manganese, silicon, and low carbon. The elevated nickel content significantly boosts their corrosion resistance, ductility, and toughness, especially in reducing and chloride-rich environments. Their mechanical properties include a tensile strength ranging from 520 to 700 MPa, a yield strength of about 240 MPa, and impressive elongation, making them a reliable choice for secure fastening. Thanks to their austenitic microstructure, they exhibit non-magnetic properties, good formability, and resistance to stress corrosion cracking, ensuring they last in demanding conditions.
| Element | Content (%) |
|---|---|
| Iron, Fe | 63 |
| Nickel, Ni | 18 |
| Chromium, Cr | 16 |
| Manganese, Mn | 2.0 |
| Silicon, Si | 1.0 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 515 MPa | 74700 psi |
| Yield strength (@strain 0.200%) | 240 MPa | 34800 psi |
| Elastic modulus | 193 GPa | 28000 ks |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 55.00% | 55.00% |
| Hardness, Brinell (converted from Rockwell B hardness) | 123 | 123 |
| Hardness, Knoop (converted from Rockwell B hardness) | 138 | 138 |
| Hardness, Rockwell B | 70 | 70 |
| Hardness, Vickers (converted from Rockwell B hardness) | 129 | 129 |
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Stainless Steel 384 Nuts offer superior corrosion resistance and high strength. Available in sizes ranging from M3 to M64, these nuts provide reliable performance in harsh environments, ensuring secure fastening in various industrial applications.
Stainless Steel 384 stud bolts provide excellent corrosion resistance and durability. They are available in sizes ranging from M6 to M100, with lengths up to 5 meters, making them suitable for high-stress applications in the oil, gas, and chemical industries.
Stainless Steel 384 Bolts offer high strength and exceptional corrosion resistance. Available in sizes M3 to M64 and lengths up to 200mm, these bolts ensure secure connections in demanding environments such as marine and chemical processing industries.
Stainless Steel 384 threaded rods provide excellent corrosion resistance and strength. They are available in sizes from M6 to M100 and lengths up to 3 meters, making them ideal for construction, marine, and industrial applications where durability is essential.
Stainless Steel 384 screws offer superior corrosion resistance and high strength. Available in sizes ranging from M1.6 to M20 and lengths up to 150mm, these screws are perfect for secure fastening in harsh environments like marine and chemical industries.
Stainless Steel 384 washers provide excellent corrosion resistance and durability. They come in sizes ranging from M3 to M64 with various thicknesses, ensuring reliable load distribution and secure fastening in applications exposed to corrosive environments.
All SS 384 Fasteners available in Lecong Stainless are subjected to a very well defined test program with hardness, chemical analysis, PMI and flattening test carried out. In the package we present an example of (sales) invoices, packing lists and certificates of origin as well as a quality assuring letter. Additionally, third party inspection (TI) reports are provided in order to assure with a maximum degree of customer satisfaction and traceability products, etc.
Stainless Steel 384 Fasteners find their place in various industries that require robust, corrosion-resistant fastening solutions. They’re commonly used in marine, chemical processing, petrochemical, and food processing sectors due to their ability to withstand harsh chemicals and seawater. In construction and engineering, you’ll see them in structural assemblies, pipelines, and machinery. Their toughness and durability also make them ideal for aerospace, automotive, and electronic applications. Plus, these fasteners are utilized in water treatment plants, pharmaceuticals, and textile industries where reliability is key.
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