Stud bolts manufactured according to ASTM A193 Grade B7 standard provide superior performance in systems operating under high temperature and pressure. Widely used in applications ranging from petrochemical plants to power plants, B7 stud bolts are particularly preferred in critical applications such as flange connections. Available in metric and inch sizes, these products stand out with their high tensile strength and mechanical durability.
| Feature | |
| Standard | ASME |
| Material | Alloy Steel |
| Type | Stud Bolt |
| Quality | ASTM A193 GR B7 |
| Coating | Electrogalvanized (E.Zn.), Hot-Dip Galvanized (T.Zn.), Nickel, Black Oxide, Geomet, PTFE |
| Tooth Type | Metric Coarse Thread, Metric Fine Thread – UNC / UNF (Inch) |
| Measurement Range | From M10 to M100, 1/2″-4″ |
| Production Method | Grinding or machining |
| Thread Direction | Right-Hand Thread (standard) / Left-Hand Thread (upon request) |
- Petrochemical plants and refineries
- Power plants and boiler systems
- Pressure vessel connections
- Flange pipe systems
- Industrial valve and pump installations
- Connections operating under high temperatures and torque in refineries
- ISO 9001:2015 Quality Management System
- ISO 14001:2015 Environmental Management System
- ISO 45001:2018 Occupational Health and Safety Management System
- EU Declaration of Conformity (PED) certificate (Compliance with the Pressure Equipment Directive)
- Our production processes, DIN, EN, ISO, and ASTM is fully compliant with the standards
- Upon request EN 10204 3.1 certificate is provided
ASTM A193 Grade B7 is a high-strength stud bolt used in high-temperature and high-pressure systems. It is frequently preferred in flange connections.
Used in energy production, petrochemicals, piping systems, boilers, and systems requiring high temperature and pressure. Provides long-lasting and secure connections.
Yes. Coating types such as black oxide, electrogalvanizing, and hot-dip galvanizing can be applied according to customer requirements. The coating selection should be made based on environmental conditions.
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