Harsh Metalloys is a leading manufacturer and supplier of premium-grade SS 384 Fasteners, based in Mumbai, India. Specializing in high-performance stainless steel fastening solutions, we provide SS 384 fasteners engineered for strength, durability, and exceptional corrosion resistance. SS 384 is a non-magnetic, austenitic stainless steel known for its high nickel and chromium content, making it ideal for applications exposed to aggressive chemicals and elevated temperatures. Our fasteners are manufactured with precision to meet international standards and serve a wide range of industries including marine, chemical, power, and food processing. Harsh Metalloys ensures consistent quality, prompt delivery, and competitive pricing worldwide.
SS 384 Fasteners are crafted from an austenitic stainless steel alloy composed of 18–20% chromium and 28–30% nickel, with possible additions of molybdenum and copper. This high-alloy composition provides superior resistance to oxidation, acids, and chlorides. The fasteners exhibit a tensile strength of 550–700 MPa and a yield strength of around 200 MPa, along with excellent ductility and creep resistance. Non-magnetic in nature, SS 384 maintains structural integrity at elevated temperatures, making it suitable for high-performance fastening applications in extreme and corrosive environments where standard stainless steel grades may fail.
| 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 Harsh Metalloys 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.
SS 384 Fasteners from Harsh Metalloys are ideal for demanding applications requiring excellent corrosion resistance and stability at high temperatures. They are widely used in chemical processing plants, marine environments, power generation facilities, heat exchangers, and pharmaceutical and food processing equipment. These fasteners are suitable for assembling equipment and structures exposed to acids, chlorides, and elevated thermal conditions. Their non-magnetic properties make them suitable for use in sensitive instrumentation, electronics, and medical equipment. With their high performance, reliability, and long service life, SS 384 fasteners are a top choice for critical fastening applications in harsh industrial environments.
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