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Aria Fasteners, located in Hamilton, New Zealand, stands out as a reliable manufacturer and supplier of high-strength industrial fastening solutions. Their ASTM A194 GR.8 Stud Bolts are crafted to deliver outstanding durability, tensile strength, and dependable performance in even the most challenging applications. With a focus on precision and rigorous quality control, these stud bolts guarantee secure and long-lasting connections in critical assemblies. Aria Fasteners caters to various industries, including oil and gas, chemical processing, construction, and power generation, providing components designed to uphold structural integrity under high-pressure and heavy-load scenarios.
The ASTM A194 GR.8 Stud Bolts are constructed from high-strength carbon or alloy steel, which is heat-treated to enhance hardness, tensile strength, and mechanical reliability. They boast excellent resistance to deformation, wear, and mechanical stress, making them perfect for bolted joints that need to endure high-pressure and heavy-duty conditions. With precision threading, they ensure compatibility with nuts and washers, delivering optimal clamping force and reliable performance in both static and dynamic assemblies.
| Element | ASTM A194 GR.8 |
| Carbon | 0.08 max |
| Manganese | 2.00 Max |
| Phosphorus, max | 0.05% |
| Sulfur, max | 0.03% |
| Silicon | 1.00% max |
| Chromium | 18.0-20.0% |
| Nickel | 8.0-11.0% |
| Molybdenum | 0.20-0.35% |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 550 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 240 |
| Elongation in 4D (El) | 30 |
| Reduction | 40 |
| Hardness – (BHN) | 223 |
Material | Specification | Standards | Size | Length |
ASTM A194 GR.8 Stud Bolts
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
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ASTM A194 Grade 8 stud bolts are generally used in high-stress, high-temperature environments. Applications include petrochemical, chemical, and electrical plants with protected flanges, valves, and other equipment. These bolts are known for their exceptional tensile strength and resistance to high environmental temperatures, making them suitable for critical applications such as steam turbines, high-pressure vessels, reactor components, etc. They provide reliability and durability in harsh environments, ensuring secure and stable connections.
These stud bolts find extensive use in industries that demand durable and high-strength fastening solutions. They are particularly well-suited for flanged joints, pipelines, pressure vessels, valves, and heavy machinery assemblies. Additionally, ASTM A194 GR.8 Stud Bolts are utilized in power plants, chemical processing equipment, and structural frameworks where secure, long-lasting, and high-performance fastening is essential. Their blend of strength, durability, and reliability makes them a trusted choice for demanding industrial and construction 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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