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Brian Fasteners, which is located in Houston, USA, is a reliable manufacturer and supplier of high-grade ASTM A193 B7 Stud Bolts. With an impressive reputation for accuracy in engineering and reliable service, Brian Fasteners serves the demands of various industries such as oil & gas, petrochemical, power generation, and construction. Their products conform to high industry standards, delivering durability, strength, and resistance to corrosion. With the latest manufacturing methods and strict quality control, Brian Fasteners provides dependable fastening solutions optimized for the most rigorous applications. Customers nationwide select Brian Fasteners for uptime dependability and outstanding customer service.
ASTM A193 B7 Stud Bolts consist mainly of chromium-molybdenum steel with great tensile strength and corrosion resistance. These bolts have a minimum tensile strength of 125 ksi and yield strength of 105 ksi with satisfactory elongation and hardness (Rockwell C35 max). The mechanical properties equip them well for service in high-temperature and high-pressure environments. The bolts are heat-treated for enhanced durability and are made to meet or exceed the requirements of ASTM A193. Their increased strength and consistent performance guarantee safety and durability in essential structural and mechanical uses.
Material | Specification | Standards | Size | Length |
ASTM A193 B7 Stud Bolt | IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | M 02 to M 160 | 3 mm to 200 mm |
| 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 |
| 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% |
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 B7 Stud Bolts are extensively employed in high-stress industrial conditions with the need for robust, heat-resistant fasteners. Popular among the oil & gas, petrochemical, power generation, and pressure vessel industries, the bolts are employed for joining flanges, valves, and other heavy-duty parts. Their endurance under high pressure and temperature conditions renders them a necessity in settings where the risk of failure cannot be accepted. From pipeline builds to refinery plant machinery, B7 Stud Bolts offer the mechanical strength required for long-term safe operation, guaranteeing system reliability even in the most adverse conditions.
At Brian Fasteners, we prioritize the safe and secure packaging of our ASTM A193 B7 stud bolts. Each bolt is meticulously packed to prevent damage during transit. We use sturdy, corrosion-resistant materials and ensure proper labeling for easy identification. Our packaging solutions include durable wooden crates, pallets, and customized options to meet specific client needs. By adhering to international packaging standards, we guarantee that our stud bolts arrive in perfect condition, ready for immediate use.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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