Overview
Tendon Metal Products Co., Ltd. manufactures ASTM A193 Grade B7 fully threaded stud bolts for high-temperature and high-pressure bolting applications. Grade B7 is commonly specified for petrochemical, pressure piping, power generation and industrial equipment projects. Dimensions, thread requirements, coating and documentation are confirmed against each enquiry.
Technical Specification Overview
| Standard | ASTM A193 / ASME B18.31.2 |
|---|---|
| Grade / Material | Grade B7, 4140 alloy steel |
| Thread Configuration | Fully threaded; thread form, pitch and tolerance confirmed at quotation |
| Surface Finishes | Plain, black oxide, hot-dip galvanized or PTFE coating, subject to project specification |
| Compatible Nuts | ASTM A194 Grade 2H heavy hex nuts |
| Documentation | Inspection, material and traceability documents confirmed for each order |
Mechanical and Quality Requirements
Mechanical properties, heat treatment and test requirements depend on the applicable ASTM A193 edition, product diameter and project specification. Our team reviews the requested standard before quotation and confirms the inspection and documentation scope for the order.
- Material control: Raw-material heat numbers and production records are managed through the manufacturing process.
- Production capability: Integrated processes include material preparation, heat treatment, cutting, thread rolling and chamfering.
- Management systems: ISO 9001 and ISO 45001 certificates are currently valid.
- Capacity: Annual production capacity is approximately 6,000 tons across the factory’s fastener range.
Ordering Information
For an accurate quotation, provide the required diameter, length, thread specification, quantity, surface finish and delivery destination. Stock status, production lead time, packaging and available test documentation are confirmed for each enquiry rather than assumed for every size.
Related B7 Stud Bolt Resources
- Read our guide to ASTM A193 B7 stud bolt dimensions, properties and applications.
- Match these studs with ASTM A194 Grade 2H heavy hex nuts and review our Grade 2H nut specification guide.
- See how we control quality and traceability for high-strength bolts.
Need a specific diameter, length, thread or coating? Request an ASTM A193 B7 stud bolt quotation.
