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Aria Fasteners, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of top-notch industrial fastening solutions. Their ASTM A193 B8C Bolts are crafted to deliver outstanding strength, corrosion resistance, and dependability in tough industrial settings. With a focus on precision and rigorous quality control, these bolts guarantee secure and durable connections in critical assemblies. Aria Fasteners caters to various industries, including chemical processing, petrochemical, power generation, and marine, providing components designed to uphold structural integrity and performance even in the harshest and most corrosive environments.
Made from corrosion-resistant stainless steel, typically in 304 or 316 grades, ASTM A193 B8C Bolts excel in resisting oxidation, pitting, and stress-corrosion cracking. They boast high tensile and yield strength, along with good ductility and mechanical stability under both static and dynamic loads. The precision threading ensures easy installation, optimal clamping force, and compatibility with nuts and washers, making these bolts perfect for high-pressure, high-temperature, and chemically aggressive applications.
| Element | B7 | B8 | B8M |
| 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% |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8C Bolt
|
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 B8C bolts are used in a variety of high-temperature and high-pressure applications, including power generation, petrochemical, and oil and gas industries. They are ideal for securing critical components in equipment such as reactors, turbines, and piping systems. Their superior corrosion resistance and strength make them suitable for environments that involve extreme heat and harsh chemicals. These bolts ensure reliable performance and structural integrity in demanding industrial settings.
These bolts find extensive use in industries that demand durable and corrosion-resistant fastening solutions. They’re particularly suited for chemical processing equipment, flanged joints, pressure vessels, pipelines, heat exchangers, and offshore platforms. Additionally, ASTM A193 B8C Bolts are utilized in marine structures, power plants, and industrial machinery where secure, long-lasting fastening is essential. Their blend of mechanical strength, corrosion resistance, and reliability makes them a trusted choice for challenging industrial and marine 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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