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Ramu Fasteners, located in Hyderabad, has built a solid reputation as a reliable manufacturer and supplier of top-notch fasteners, with a special focus on ASTM A193 B8 CL3 Bolts. Renowned for their precision, durability, and dependability, these bolts are crafted to meet rigorous industrial and mechanical standards. Each ASTM A193 B8 CL3 Bolt boasts outstanding corrosion resistance, impressive tensile strength, and consistent performance even in tough conditions. Catering to sectors like oil and gas, petrochemical, power generation, and construction, Ramu Fasteners is dedicated to providing fastening solutions that enhance safety, operational efficiency, and structural integrity. They are a trusted source for ASTM A193 B8 CL3 Bolts.
ASTM A193 B8 CL3 Bolts are crafted from austenitic stainless steel, primarily composed of chromium, nickel, and molybdenum, which gives them remarkable resistance to corrosion, pitting, and crevice attack. These bolts are known for their high tensile strength, toughness, and durability, even under elevated temperatures and heavy loads. They maintain their shape, resist wear, fatigue, and deformation, and ensure reliable torque retention. With precision manufacturing, they feature uniform threads and consistent performance. The combination of superior mechanical strength and corrosion resistance makes ASTM A193 B8 CL3 Bolts ideal for critical applications in harsh chemical, marine, and industrial settings.
| 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 find extensive use in the oil and gas, petrochemical, chemical processing, power generation, and marine industries, thanks to their high strength and corrosion resistance. They are perfect for securing components in pressure vessels, pipelines, pumps, boilers, flanges, and heat exchangers that are subjected to high-pressure, high-temperature, and corrosive environments. These bolts are also utilized in offshore applications, ensuring that critical structures remain secure and reliable in challenging conditions.
At Ramu Fasteners, we ensure that our ASTM A193 B8 CL3 bolts are meticulously packaged to maintain their integrity and quality during transit. Each bolt is carefully inspected and packed in sturdy, corrosion-resistant materials to prevent damage. Our packaging solutions include custom labeling and secure sealing, guaranteeing safe delivery and easy identification. Whether shipped locally or internationally, our packaging standards meet all regulatory requirements, ensuring our bolts arrive in perfect condition, ready for immediate use in your projects.
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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