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Hamad Fasteners, based in Riyadh, Saudi Arabia, stands out as a top-notch manufacturer and supplier of high-quality fastening solutions that are trusted across various industries. With a reputation for precision engineering, durability, and adherence to international standards, the company offers products that ensure reliability in critical applications. One of their standout products, the ASTM A193 B8 CL2 Fasteners, is well-known for its impressive strength, resistance to corrosion, and performance in high-pressure and high-temperature settings. Crafted using cutting-edge manufacturing techniques and thorough quality inspections, these fasteners guarantee secure connections and a long lifespan in demanding industries around the globe.
The ASTM A193 B8 CL2 Fasteners are made from carbide-solution treated austenitic stainless steel, usually Type 304. They boast a tensile strength of about 100 ksi (690 MPa) and a yield strength of 65 ksi (450 MPa), which enhances their mechanical performance compared to standard B8 grades. These fasteners are particularly resistant to oxidation, corrosion, and thermal stress, making them perfect for tough service conditions. Their strength, toughness, and stability in varying environments provide reliable fastening solutions for critical industrial operations.
| Element | B7 | B8 CL2 | B8 CL2M |
| 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 CL2 Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL2M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL2 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 | |
| B8 CL2M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 CL2 Fasteners
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
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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 CL2 fasteners are extensively used in high-temperature and high-pressure environments, such as chemical processing, petrochemical, and power generation industries. Their excellent corrosion resistance and high tensile strength make them ideal for securing reactors, heat exchangers, and pressure vessels. These fasteners are also suitable for marine applications and construction projects requiring robust and reliable fastening solutions. Their compliance with stringent ASTM standards ensures they meet the demanding requirements of critical industrial applications.
You’ll find ASTM A193 B8 CL2 Fasteners widely used in industries like petrochemical, oil and gas, marine, and power generation. They are often found in flanges, boilers, pressure vessels, heat exchangers, and pipeline systems where resistance to extreme pressure and temperature is crucial. Their ability to withstand harsh chemical exposures and tough operating conditions makes them essential in refineries, offshore platforms, and chemical plants. Plus, these fasteners are also utilized in heavy machinery and structural assemblies, ensuring safety, durability, and dependable performance in challenging environments.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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