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Aria Fasteners, located in Hamilton, New Zealand, is your go-to source for top-notch ASTM A193 B8 bolts. Designed with strength, durability, and precision in mind, these bolts are perfect for providing reliable fastening solutions in high-pressure, high-temperature, and demanding industrial settings. At Aria Fasteners, we take pride in ensuring that every bolt meets rigorous quality standards, so you can trust that they will maintain structural integrity, resist wear, and perform consistently even under heavy loads and vibrations. These bolts are essential for critical assemblies where safety, long-term performance, and reliability are non-negotiable.
Crafted from austenitic stainless steel, usually 304 or 316, ASTM A193 B8 bolts boast excellent corrosion resistance, impressive tensile strength, and outstanding toughness. They stand up to oxidation, pitting, and stress corrosion cracking, ensuring they deliver long-lasting performance even in harsh chemical, petrochemical, and marine environments. Their mechanical stability under heavy loads, vibrations, and high temperatures guarantees secure fastening in crucial applications.
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 Bolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
|
| 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 |
| 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% |
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 bolts are widely used in high-pressure and high-temperature applications. They are commonly found in chemical processing, petrochemical industries, power generation, and marine environments. Their corrosion resistance and strength make them ideal for critical components like flanges, valves, and pumps. These bolts are essential for ensuring structural integrity and reliability in harsh conditions, making them a preferred choice for safety and durability in industrial settings.
These bolts find their place in various industries, including oil and gas, chemical processing, power generation, and high-pressure piping systems. They are often used alongside ASTM A193 B8 nuts, washers, and stud bolts in flange connections, pressure vessels, and other vital bolted assemblies. With Aria Fasteners’ ASTM A193 B8 bolts, you can expect long-lasting durability, structural integrity, and minimal maintenance, making them the preferred choice for industries that demand high-quality, corrosion-resistant fastening solutions.
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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