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Mazin Fasteners is a reliable manufacturer and supplier of ASTM A193 B8T Stud Bolts, proudly based in Muscat, Oman. They specialize in providing corrosion-resistant bolting solutions tailored for tough industrial settings. The company places a strong emphasis on precision manufacturing, rigorous quality control, and compliance with globally recognized standards. With state-of-the-art production facilities and a team of skilled technical professionals, Mazin Fasteners produces stud bolts designed to withstand high temperatures and corrosive environments. Their dedication to material traceability, consistent quality, and timely delivery has made them a go-to supplier for the chemical, petrochemical, power generation, and marine sectors.
ASTM A193 B8T Stud Bolts are crafted from austenitic stainless steel, comparable to Type 321, and are stabilized with titanium to avoid carbide precipitation during exposure to high temperatures. This alloy is enriched with chromium and nickel, providing outstanding resistance to corrosion and oxidation. These stud bolts boast impressive tensile strength, high ductility, and remarkable toughness. Their stabilized composition not only offers protection against intergranular corrosion but also ensures dimensional stability, reliable load-bearing capacity, and consistent mechanical performance even under prolonged thermal and mechanical stress.
| 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.
ASTM A193 B8T Stud Bolts find extensive use in scenarios that demand corrosion resistance and stability at high temperatures. Common applications include heat exchangers, boilers, pressure vessels, and high-temperature piping systems. They are also widely employed in chemical processing plants, petrochemical refineries, power generation facilities, and marine installations. These stud bolts are known for their reliability in assemblies that face thermal cycling, corrosive environments, and continuous mechanical loads. Their resistance to sensitization and dependable mechanical properties make them an excellent choice for demanding applications.
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.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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