Home > ASTM A193 B8 CL5 Stud bolts
Majid Fasteners is a leading manufacturer and supplier of high-quality ASTM A193 B8 CL5 Stud Bolts in Dubai, UAE, known for delivering precision-engineered fastening solutions for demanding industrial applications. With a strong commitment to excellence, the company offers reliable, corrosion-resistant stainless steel fasteners designed to meet international standards. Majid Fasteners combines advanced manufacturing technology, strict quality control, and a dedicated technical team to ensure superior performance and durability. Serving sectors such as oil and gas, construction, marine, and petrochemical industries, the company has built a reputation for timely delivery, competitive pricing, and exceptional customer support across the UAE and beyond.
ASTM A193 B8 CL5 Stud Bolts are manufactured from high-grade stainless steel, typically conforming to Type 304 with enhanced carbide solution treatment for improved corrosion resistance. Their composition includes chromium and nickel, providing excellent durability in high-temperature and corrosive environments. These stud bolts exhibit strong mechanical properties, such as high tensile strength, reliable yield strength, and superior hardness, making them ideal for critical applications. Designed for demanding industrial conditions, ASTM A193 B8 CL5 Stud Bolts ensure long-lasting performance, structural integrity, and dependable fastening in various engineering systems.
Material | Specification | Standards | Size | Length |
ASTM A193 B8 CL5 Stud Bolt
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| Element | B8 CL5 | B8 CL5 | B8M CL5 |
| 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 CL5 | 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 CL5 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M CL5 Class 1 | All | 75 | 30 | 30 | 50 |
| B8 CL5 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 CL5 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 |
ASTM A193 B8 CL5 Stud Bolts are widely used in industries that demand high strength, corrosion resistance, and reliability. These stud bolts are essential in oil and gas facilities, petrochemical plants, power generation units, and refineries where high-temperature and corrosive environments are common. They are commonly used for securing flanges, valves, pumps, heat exchangers, and pressure vessels. In marine and offshore applications, their stainless-steel composition ensures long-lasting durability against saltwater exposure. Additionally, they are used in construction, water treatment plants, and industrial piping systems, offering dependable fastening solutions for critical and heavy-duty engineering applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
