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Aria Fasteners, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of top-notch industrial fastening solutions. Their Stainless Steel 321 / 321H Stud Bolts are crafted to deliver outstanding corrosion resistance, mechanical strength, and durability, especially in high-temperature and demanding settings. With a focus on precision and rigorous quality control, these stud bolts guarantee secure and long-lasting fastening for critical assemblies. Aria Fasteners caters to various industries, including aerospace, petrochemical, power generation, and thermal processing, providing components that are designed to perform consistently under thermal cycling and extreme service conditions.
The Stainless Steel 321 / 321H Stud Bolts are constructed from a titanium-stabilized austenitic stainless steel alloy, which offers exceptional resistance to intergranular corrosion during high-temperature applications. The 321H grade, featuring a higher carbon content, ensures improved strength at elevated temperatures while still maintaining excellent corrosion resistance. These stud bolts provide robust mechanical stability, impressive tensile strength, and resistance to thermal fatigue, while their precision threading guarantees a proper fit with compatible nuts and washers, ensuring reliable clamping force in both static and dynamic situations.
| Grade | Stainless Steel 321 |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| Element | Ni | C | Mn | P | S | Si | Cr |
| SS 321 | 9.00 – 12.00 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 321 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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 321/321H stud bolts are used at high temperatures where strength and corrosion resistance are critical. They are ideal for aerospace, automotive exhaust systems and high-temperature gasoline engines. These stud bolts are also used in chemical plants because of their resistance to sulfuric and phosphoric acid. Their durable materials ensure reliability in harsh environments, making them essential for industrial applications that require durability and operation at high temperatures
These stud bolts find extensive use in industries that demand heat-resistant, corrosion-resistant, and high-strength fastening solutions. They are perfect for applications such as boiler components, heat exchangers, furnace assemblies, flanged joints, and industrial machinery that are subjected to high temperatures. Additionally, Stainless Steel 321 / 321H Stud Bolts are utilized in chemical processing equipment, aerospace components, and structural assemblies where secure and durable fastening is essential. Their unique blend of high-temperature stability, mechanical strength, and corrosion resistance makes them an ideal choice for a variety of demanding applications.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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