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Mazin Fasteners is a trusted manufacturer and supplier of ASTM A194 Grade 8 Stud Bolts, proudly based in Muscat, Oman. We cater to high-strength bolting needs both regionally and internationally. Our focus is on precision manufacturing, rigorous quality assurance, and adherence to globally recognized standards. With state-of-the-art production facilities and a team of skilled professionals, we create stud bolts that can handle demanding pressure and load conditions. Our dedication to material traceability, consistent quality, and timely delivery has made us a reliable partner for industries like oil & gas, petrochemical, power generation, and heavy engineering.
ASTM A194 Grade 8 Stud Bolts are crafted from high-strength alloy steel, enhanced with controlled amounts of chromium and molybdenum to boost strength and toughness. The material undergoes heat treatment to achieve impressive tensile and yield strength, along with excellent hardness and dependable load-bearing capacity. These stud bolts are designed to resist wear, deformation, and mechanical stress. Their mechanical properties ensure they maintain dimensional stability, provide a strong clamping force, and enjoy a long service life, even in heavy-duty and high-pressure environments.
| 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.
ASTM A194 Grade 8 Stud Bolts find their place in a variety of applications that demand high strength and secure fastening under heavy loads. You’ll commonly see them in pressure vessels, valves, pumps, flanged joints, and heavy machinery assemblies. They are extensively utilized in oil and gas plants, refineries, petrochemical units, and power generation facilities, where reliable bolting is essential. These stud bolts excel in environments that experience vibration, mechanical stress, and moderate temperatures. Their strength, durability, and compliance with industry standards make them ideal for critical applications where safety is paramount.
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.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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