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Ramu Fasteners, located in Hyderabad, is a well-respected manufacturer and supplier of top-notch industrial fasteners, including ASTM A193 B8 Class 2 Fasteners. Renowned for their precision engineering and reliable performance, Ramu Fasteners offers fastening solutions that meet rigorous industrial standards. Their ASTM A193 B8 Class 2 Fasteners are crafted using cutting-edge production methods to ensure superior strength, outstanding corrosion resistance, and precise dimensions. Built to withstand tough operating conditions, these fasteners adhere to international standards and are commonly used in high-temperature and high-pressure settings. With a strong focus on quality control and customer satisfaction, Ramu Fasteners provides dependable fastening solutions for essential industrial applications.
ASTM A193 B8 Class 2 Fasteners are made from austenitic stainless steel, usually Type 304 or 304L, which contains about 18–20% chromium and 8–10.5% nickel. These Class 2 fasteners are strain-hardened to achieve greater strength compared to Class 1. They boast a tensile strength of around 125 ksi, a yield strength of approximately 75 ksi, and good ductility. These fasteners excel in resisting corrosion, oxidation, and scaling at high temperatures, while also maintaining non-magnetic properties and mechanical stability in challenging environments.
| 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
|
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 Class 2 Fasteners find extensive use in industries that demand corrosion-resistant and high-strength bolting solutions. They are particularly suited for chemical processing plants, petrochemical facilities, power generation units, and oil and gas applications where high temperatures and pressures are prevalent. These fasteners are frequently utilized in flanges, valves, and other critical components, ensuring safety and reliability in various demanding environments.
At Ramu Fasteners, the ASTM A193 B8 CL2 fasteners are carefully packaged to ensure they reach you in pristine condition. Each binder is carefully packaged in durable, corrosion-resistant packaging to prevent damage during transport. Clear labeling on each product ensures easy identification and follow-up. We offer customizable packaging to meet your specific needs, ensuring convenience and efficiency in handling and storage. Trust Ramu Fasteners provide safe, reliable delivery of critical fastening solutions.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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