Home > Stud Bolts > Stainless Steel 440c Stud Bolts
Chanchai Stainless in Bangkok, Thailand is a reliable maker and exporter of high-quality stainless steel 440C stud bolts. Renowned for high hardness and wear resistance, the stud bolts are precision-made to international standards and provide consistent performance in severe applications. High strength and moderate corrosion resistance make stainless steel 440C stud bolts suitable for environments with the need for tough and reliable fastening solutions. Coming in different sizes and thread combinations, Chanchai Stainless offers quality and prompt delivery to Thai and international customers.
Stainless steel 440C stud bolts are produced using a high-carbon martensitic stainless steel alloy with a composition of about 16–18% chromium and 0.95–1.20% carbon. The alloy enables the bolts to be heat treated to obtain extremely high hardness values, typically up to 60 HRC, and tensile strengths over 760 MPa. The alloy has superior wear resistance, dimensional stability, and moderate corrosion resistance in less severe conditions. These characteristics of the mechanical properties of 440C stud bolts make them suitable for high-stress fastening where precision and durability are required.
| 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.
440C stud bolts are extensively utilized in applications that require durable, wear-resistant fastening elements. They find their application in aerospace, automotive, and tooling applications for fastening high-load and precision parts. They are used in valve assemblies, pumps, and instrumentation for applications requiring hardness and corrosion resistance. Their durability and resistance to mechanical stress and slight corrosive environments make 440C stud bolts suitable for long-duration performance in critical applications.
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