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Hamad Fasteners, a top-notch manufacturer and supplier based in Riyadh, Saudi Arabia, is well-known for providing high-quality fastening solutions tailored for tough industrial applications. Among their standout offerings, the ASTM A194 GR.8 Stud Bolts are designed to deliver exceptional strength, durability, and reliability, especially in high-pressure and high-temperature settings. Crafted to meet rigorous international standards, these stud bolts ensure secure fastening for critical applications across the oil and gas, petrochemical, power generation, and construction sectors, guaranteeing long-lasting performance and safety.
Made from high-strength carbon steel alloy, ASTM A194 GR.8 Stud Bolts boast impressive tensile and yield strength. They undergo a controlled heat treatment process that enhances their mechanical properties, including toughness, hardness, and fatigue resistance. The specific chemical makeup and mechanical traits of these bolts ensure they perform reliably under heavy loads, thermal cycling, and in harsh environmental conditions, making them ideal for pressure vessels, piping systems, and other critical structural applications.
| 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 |
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.
These stud bolts find extensive use in boilers, heat exchangers, pressure vessels, chemical processing plants, refineries, and piping assemblies. They are also essential in offshore platforms, power plants, and structural installations where high strength, reliability, and mechanical performance are crucial. With their blend of robustness, durability, and precision engineering, ASTM A194 GR.8 Stud Bolts offer trustworthy fastening solutions for even the most demanding industrial applications.
We provide comprehensive test reports for all our stud bolts products, covering alloys, chemicals, raw materials, and more. We offer a range of certificates to ensure product quality and compliance, including mill test reports, 100% radiography, and ISO certifications. These documents are available to our clients to guarantee the reliability and standards of our products, reflecting our commitment to excellence and transparency in every aspect of our manufacturing and quality assurance processes.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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