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Yasin Fasteners, a reputable manufacturer and supplier located in Istanbul, Turkey, is all about providing top-notch fastening solutions, including ASTM A193 B8 CL2 Bolts. With years of experience under their belt, this company is dedicated to delivering reliable products that adhere to international standards for strength, durability, and performance. These bolts are meticulously designed to meet the needs of demanding industries, ensuring secure and long-lasting fastening even in high-pressure and high-temperature situations. Yasin Fasteners’ commitment to quality, customer satisfaction, and global supply capabilities has made them a go-to partner for industrial clients across various sectors around the world.
ASTM A193 B8 CL2 Bolts are crafted from austenitic stainless steel, specifically alloy 304, featuring a carefully controlled chemical composition that includes chromium (18–20%) and nickel (8–11%). These bolts undergo carbide solution treatment and strain hardening, which boosts their strength and toughness. They showcase impressive mechanical properties, such as high tensile strength, yield strength, and hardness, while also resisting stress corrosion cracking and oxidation. Their durability and performance make them ideal for environments with high temperatures, chemical exposure, and mechanical stress.
| 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 B8 CL2 Hex 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.
You’ll find ASTM A193 B8 CL2 Bolts widely used in industries that require high strength and corrosion resistance, such as petrochemical, oil and gas, power generation, marine, and chemical processing. They’re commonly found in heat exchangers, pressure vessels, boilers, pipelines, and flanged connections where safety and reliability are paramount. Their ability to handle high pressure and elevated temperatures makes them essential for critical service applications. Plus, these bolts are particularly popular in offshore and marine settings due to their outstanding corrosion resistance, ensuring reliable performance and a long operational life.
We ensure that our ASTM A193 B8 CL2 bolts are packaged with the utmost care to maintain their quality and integrity. Each bolt is individually inspected and then securely packed in durable, corrosion-resistant containers. Our packaging is designed to protect the bolts during transit and storage, preventing any damage or contamination. Whether you need small or large quantities, we offer flexible packaging solutions to meet your specific requirements, ensuring your bolts arrive in perfect condition.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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