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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 B8 CL3 Bolts are crafted to deliver exceptional corrosion resistance, mechanical strength, and durability, especially in critical and high-temperature settings. With a focus on precision and rigorous quality control, these bolts guarantee secure and long-lasting fastening for even the most demanding assemblies. Aria Fasteners caters to various industries, including petrochemical, oil and gas, power generation, and chemical processing, providing components that can endure harsh service conditions and high-pressure environments.
The ASTM A193 B8 CL3 Bolts are constructed from austenitic stainless steel, enriched with chromium and nickel to enhance their resistance to oxidation, pitting, and corrosion in challenging environments. These bolts boast impressive tensile strength, toughness, and thermal stability, making them perfect for both static and dynamic applications. The precision threading ensures a proper fit with compatible nuts and washers, delivering reliable clamping force and secure assembly performance in high-pressure and high-temperature situations.
| Element | B8 CL3 | B8 CL3 | B8M CL3 |
| 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 |
| B8 CL3 | 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 CL3 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M CL3 Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL3 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 CL3 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 B8 CL3 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 B8 CL3 bolts are essential in the petrochemical, power generation, and construction industries due to their high strength and corrosion resistance. They are commonly used in high-temperature and high-pressure applications, such as pressure vessels, flanges, and valves. Their reliability in extreme conditions makes them ideal for fastening components in chemical processing plants, oil refineries, and power plants. Additionally, their durability and performance ensure secure and long-lasting connections in critical infrastructure projects.
These bolts find extensive use in industries that demand high-performance, corrosion-resistant, and heat-tolerant fastening solutions. They are particularly well-suited for pipelines, flanged joints, chemical reactors, heat exchangers, and industrial machinery that operate under elevated temperatures and pressures. ASTM A193 B8 CL3 Bolts are also utilized in offshore platforms, power plants, and petrochemical facilities, where secure and durable fastening is crucial. Their blend of mechanical strength, corrosion resistance, and thermal endurance makes them a trustworthy choice for challenging industrial 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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