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Hazlewood Fasteners, a top-notch manufacturer and supplier located in Canberra, Australia, specializes in high-quality ASTM A194 Grade 8 Stud Bolts that are built for strength, corrosion resistance, and long-lasting durability. Crafted from AISI 304 stainless steel, these stud bolts are engineered to perform reliably in tough industrial settings where high pressure, temperature, and chemical exposure are the norm. Each fastener is meticulously manufactured to adhere to strict ASTM standards, guaranteeing outstanding mechanical properties and consistent performance. Hazlewood Fasteners’ ASTM A194 GR.8 Stud Bolts are commonly utilized in the oil & gas, chemical, marine, and power generation industries, delivering dependable fastening solutions in both corrosive and high-temperature environments.
ASTM A194 GR.8 Stud Bolts are primarily made up of chromium (18–20%), nickel (8–11%), and small amounts of carbon, manganese, silicon, phosphorus, and sulfur, with iron making up the rest. This combination results in an impressive mix of tensile strength (515–620 MPa) and yield strength (205 MPa), along with excellent ductility and toughness. The 304 stainless steel foundation offers remarkable resistance to pitting, oxidation, and intergranular corrosion, even in environments rich in chlorides or acids. These stud bolts maintain their strength and dimensional stability across a broad temperature range, making them perfect for high-stress, high-temperature industrial 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.
ASTM A194 GR.8 Stud Bolts are widely utilized in various industries, including chemical processing, oil refineries, marine structures, and power plants, thanks to their remarkable resistance to corrosion and heat. They’re perfect for securing pumps, valves, flanges, pressure vessels, boilers, and heat exchangers that face intense mechanical and thermal stress. Their exceptional performance in both oxidizing and humid environments makes them a great choice for the food processing, pharmaceutical, and construction sectors as well. Plus, these stud bolts provide dependable service in cryogenic and high-temperature settings, ensuring safe, stable, and long-lasting fastening for both industrial and structural 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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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