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Murad Fasteners, located in Doha, Qatar, stands out as a top manufacturer and supplier of premium industrial fasteners, with a special focus on ASTM A193 B8 Stud Bolts. Known for their precision engineering and durability, Murad Fasteners caters to a diverse array of industries, including oil and gas, construction, and petrochemicals. The company is dedicated to upholding international standards, ensuring that each stud bolt meets rigorous quality and performance criteria. With cutting-edge manufacturing processes, thorough testing, and prompt delivery, Murad Fasteners offers dependable fastening solutions that boost safety, efficiency, and structural integrity, making them a reliable partner for clients throughout the region.
ASTM A193 B8 Stud Bolts are made primarily from austenitic stainless steel, specifically Type 304, which includes chromium (18–20%) and nickel (8–10.5%) for outstanding corrosion resistance. These stud bolts boast impressive tensile strength, typically around 75 ksi (515 MPa), along with good elongation and toughness, enabling them to endure high-pressure and high-temperature conditions. They maintain their shape and resist oxidation, pitting, and chemical corrosion. While heat treatment isn’t necessary, cold working can enhance their strength. ASTM A193 B8 Stud Bolts blend durability, mechanical reliability, and corrosion resistance, making them perfect for critical applications.
| 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 StudBolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200
|
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 Stud Bolts find extensive use in industries where high strength and corrosion resistance are essential. They’re commonly found in chemical plants, oil and gas refineries, power generation facilities, and petrochemical equipment. These bolts are particularly suited for pressure vessels, flanges, valves, and heat exchangers that face high temperatures and corrosive environments. Their ability to resist oxidation and chemical damage ensures long-lasting reliability in tough operating conditions. Murad Fasteners provides these stud bolts for both primary and secondary applications, ensuring that clients have the right solutions for their needs.
Murad Fasteners ensures that ASTM A193 B8 Stud Bolts are packaged with the utmost care to maintain quality and integrity. Each stud bolt is individually inspected and protected in robust, corrosion-resistant packaging. They are neatly arranged in secure cartons or crates, labeled clearly for easy identification and traceability. Our packaging is designed to prevent damage during transit and handling, ensuring that you receive your fasteners in optimal condition. Choose Murad Fasteners for meticulously packaged, high-quality stud bolts.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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