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Hazlewood Fasteners, a top-notch manufacturer and supplier located in Canberra, Australia, specializes in high-quality ASTM A193 B8 Class 5 Fasteners that are built to perform exceptionally in harsh, corrosive, and high-temperature settings. Crafted from Type 304 stainless steel that has been strain-hardened, these fasteners boast impressive tensile and yield strength while also offering outstanding corrosion resistance. You’ll find ASTM A193 B8 CL5 Fasteners commonly used across various industries, including petrochemical, marine, power generation, and food processing. Hazlewood Fasteners guarantees that each fastener adheres to ASTM specifications and goes through rigorous quality testing, ensuring durable, precise, and reliable fastening solutions that are perfect for demanding industrial and engineering tasks.
ASTM A193 B8 CL5 Fasteners are made up of Chromium (18–20%), Nickel (8–10.5%), Carbon (≤0.08%), Manganese (≤2%), Silicon (≤1%), along with trace amounts of Phosphorus and Sulfur, with iron making up the rest. The Class 5 strain-hardened condition greatly enhances mechanical strength, achieving a minimum tensile strength of 860 MPa and a yield strength of 690 MPa. These fasteners maintain excellent ductility, oxidation resistance, and corrosion resistance across a variety of environments. Their austenitic structure guarantees stability and durability even under high stress, temperature, and vibration, making them perfect for critical applications.
| Element | B8 CL5 | B8 CL5 | B8M CL5 |
| Carbon | 0.37 – 0.49% | 0.08% max | 0.08% max |
| Manganese | 0.65 – 1.10% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.040% | 0.030% | 0.030% |
| Silicon | 0.15 – 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.75 – 1.20% | 18.0 – 20.0% | 16.0 – 18.0% |
| Nickel | 8.0 – 11.0% | 10.0 – 14.0% | |
| Molybdenum | 0.15 – 0.25% | 2.00 – 3.00% |
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Material
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Specification
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Standards |
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Length
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ASTM A193 B8 CL5 Fasteners
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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 A193 B8 CL5 Fasteners are widely utilized in various settings like chemical plants, refineries, marine systems, and heat exchangers, where both strength and resistance to corrosion are crucial. They work perfectly for valves, pumps, pressure vessels, piping systems, and flanged joints that face high temperatures and harsh chemicals. You’ll also find these fasteners in food processing, pharmaceutical equipment, and water treatment facilities, where hygiene and oxidation resistance are vital. Thanks to their impressive tensile strength and strain-hardened durability, they’re a go-to choice for industrial machinery, offshore structures, and thermal processing units, ensuring they perform reliably even in tough operational conditions.
At Hazlewood Fasteners, ASTM A193 B8 CL5 fasteners are meticulously packaged to ensure safe delivery and maintain product integrity. Each fastener is individually inspected and then securely packed in sturdy, moisture-resistant containers. For bulk orders, we use customized crates and pallets to prevent damage during transit. Our packaging solutions are designed to protect against environmental factors and physical stress, ensuring that the fasteners arrive in optimal condition, ready for immediate use in your demanding applications.
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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