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Murad Fasteners has established itself as a reliable manufacturer and supplier in Doha, Qatar, specializing in high-quality ASTM A193 B8T Stud Bolts that are perfect for high-temperature and high-pressure applications. Thanks to their state-of-the-art manufacturing facilities and rigorous quality control processes, Murad Fasteners produces stud bolts with precise threading, accurate dimensions, and consistent performance. These products are essential in critical industrial settings where reliability is a must. Catering to sectors like oil and gas, petrochemicals, power generation, and heavy engineering, Murad Fasteners guarantees compliance with international standards, offers tailored solutions, competitive pricing, and ensures timely delivery.
The ASTM A193 B8T Stud Bolts are crafted from austenitic stainless steel that’s stabilized with titanium, much like Type 321 stainless steel. This alloy is enriched with chromium and nickel to resist corrosion and oxidation, while the titanium helps prevent carbide precipitation during high-temperature use. On the mechanical side, these stud bolts boast impressive tensile and yield strength, outstanding toughness, and high ductility. They also enhance creep resistance and stress rupture strength, making them reliable even under prolonged exposure to high temperatures and thermal cycling.
| 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 B8T Stud Bolts
| 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 B8T Stud Bolts in various applications that demand strength and stability at elevated temperatures. They’re commonly used in heat exchangers, boilers, pressure vessels, flanged joints, and piping systems within the oil and gas, petrochemical, and power plant industries. These stud bolts are particularly suited for assemblies that face continuous heat, pressure, and corrosive conditions. Their durability, resistance to oxidation, and mechanical reliability make them a top choice for critical industrial fastening needs.
We guarantee complete customer satisfaction by providing thorough documentation with our ASTM A193 B8T Stud Bolts. Our comprehensive package includes a commercial invoice, packaging list, fumigation certificate, heat treatment chart, and a NABL-approved lab test report. Additionally, we offer MTC certificates as per EN 10204/3.1b, PMI Test Certificates, 100% radiography test reports, and Third Party Inspection Certificates, ensuring the highest product quality and integrity standards.
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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