Home > Stud Bolts > Stainless Steel 440c Stud Bolts
Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 440C Stud Bolts. These high-strength stud bolts are designed for durable, precise, and reliable fastening in industrial, mechanical, and structural applications. Njabulo Stainless ensures precision threading, smooth surfaces, and uniform dimensions, providing long-lasting and leak-proof connections. Stainless Steel 440C stud bolts are widely used in automotive, aerospace, machinery, and high-wear industrial equipment, where excellent hardness, wear resistance, and moderate corrosion resistance are essential for safety, efficiency, and long-term performance.
Stainless Steel 440C Stud Bolts are made from high-carbon martensitic stainless steel 440C, containing carbon (0.95–1.2%) and chromium (16–18%). This composition provides exceptional hardness, high tensile strength, and excellent wear resistance, along with moderate corrosion resistance. Mechanically, 440C stud bolts offer toughness, dimensional stability, and fatigue resistance, making them suitable for high-load and high-wear applications. Precision manufacturing ensures smooth threads and accurate dimensions, allowing secure and long-lasting fastening in industrial, mechanical, automotive, and high-precision equipment applications.
| Element | Content(%) |
|---|---|
| Iron, Fe | 79.15 |
| Chromium, Cr | 17 |
| Carbon, C | 1.1 |
| Manganese, Mn | 1 |
| Silicon, Si | 1 |
| Molybdenum, Mo | 0.75 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 760-1970 MPa | 110000-286000 psi |
| Yield strength (@ strain 0.200%) | 450-1900 MPa | 65300-276000 psi |
| Bulk modulus | 166 GPa | 24100 ksi |
| Shear modulus | 83.9 GPa | 12200 ksi |
| Elastic modulus | 200 GPa | 29008 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break | 2-14 % | 2-14 % |
| Hardness, Rockwell B (converted from Brinell hardness) | 97 | 97 |
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Stainless Steel 440C stud bolts combine high strength with excellent corrosion resistance, making them ideal for heavy-duty applications. These durable fasteners ensure reliability and performance in challenging industrial and mechanical environments.
Stainless Steel UNS S44004 stud bolts offer high tensile strength and corrosion resistance. Engineered for demanding applications, these robust fasteners provide reliable performance and durability in harsh environments and heavy-duty conditions.
Stainless Steel 440C flush head stud bolts feature a sleek, low-profile design ideal for tight spaces. Combining high strength and excellent corrosion resistance, they offer reliable performance in demanding applications.
After the products are manufactured, our quality control department performs a whole series of destructive and non-destructive tests by the latest techniques to ensure that these Stainless Steel 440C Stud Bolts perform and are really reliable. Furthermore, these stud bolts are securely packaged in suitable packing formats and delivered to clients on time and without a hitch in all deadlines. All the requisite documents like test reports and certification will be presented to clients at the time of delivery, ensuring utmost transparency and satisfaction with the customer.
Stainless Steel 440C Stud Bolts are widely used in automotive components, aerospace parts, industrial machinery, high-wear equipment, and precision tools. They are ideal for fastening pumps, valves, shafts, gears, and structural components subjected to high stress, wear, or moderate corrosion. Their hardness and wear resistance make them suitable for precision and high-load applications where durability is critical. In manufacturing and mechanical systems, 440C stud bolts provide secure, durable, and long-lasting fastening. Overall, they deliver strength, reliability, and high wear resistance, making them essential for demanding industrial, mechanical, and high-precision applications.
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