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Punit Fasteners, a top-notch manufacturer and supplier based in Delhi, India, proudly presents its premium-quality Stainless Steel 440C Stud Bolts. These bolts are celebrated for their remarkable hardness, strength, and wear resistance. You’ll find them widely used across various sectors, including aerospace, automotive, heavy machinery, and tooling, where components need to handle high mechanical loads, tough conditions, and some corrosion. Crafted to meet international standards, these stud bolts offer long-lasting and secure fastening solutions. With a focus on precision engineering and durability, Punit Fasteners has made these stud bolts a go-to choice for demanding industrial and engineering applications.
Made from a high-carbon martensitic stainless steel alloy that contains about 16–18% chromium, Stainless Steel 440C Stud Bolts achieve superior hardness and wear resistance after heat treatment. They boast a tensile strength that ranges from 760–1100 MPa and maintain their shape even under heavy stress and abrasive conditions. While their corrosion resistance is moderate compared to austenitic grades, their exceptional mechanical properties—especially their strength and wear resistance—make them perfect for high-stress, heavy-duty applications in challenging environments.
| 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 440C stud bolts find important advantages in applications requiring exceptional mechanical strength, strength and corrosion resistance. They are critical in space for protecting critical infrastructure under high stress and harsh conditions. These stud bolts are also important in the performance of high quality bearings and cutting tools where hardness and wear resistance are paramount Their ability to withstand extreme conditions and maintain dimensional stability makes stainless steel 440C stud bolts ideal for applications in oil and gas, chemical processing and marine industries Long-term bond-resolution is ensured
These stud bolts are extensively utilized in industries that require fasteners capable of withstanding heavy loads and harsh conditions. In the aerospace and automotive fields, they’re found in engines, powertrain components, and structural assemblies that face constant wear and stress. The heavy machinery and tooling sectors rely on them for their impressive durability and resistance to mechanical damage. Additionally, they’re used in pumps, valves, and precision instruments where strength and stability are essential. These stud bolts provide reliable fastening performance, especially in situations where standard stainless steels just can’t meet the demands for strength and durability.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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