Overview
As a leading ISO 9001:2015 and ISO 45001:2018 certified manufacturer, Tendon Technology Metal delivers premium ASTM A193 Grade B7 fully threaded stud bolts designed for high-temperature and high-pressure service. Widely trusted by the offshore oil, marine engineering, and petrochemical industries, our B7 studs provide ultimate fastening reliability in the most demanding environments.
Technical Specifications
- Standard: ASTM A193 / ASME B18.31.2
- Material: Premium 4140 Alloy Steel (B7)
- Thread Type: Fully Threaded (Precision thread rolling process)
- Surface Treatment: Plain, Black Oxide, Hot Dip Galvanized (HDG), or custom PTFE/Teflon Coating
- Matched Nuts: ASTM A194 Grade 2H Heavy Hex Nuts
Guaranteed Mechanical Properties
Every batch is rigorously tested in our in-house laboratory to ensure compliance with stringent international standards:
- Tensile Strength: ≥ 865 MPa
- Yield Strength: ≥ 725 MPa
- Elongation: ≥ 16%
- Reduction of Area: ≥ 50%
- Hardness: ≤ 35 HRC
Why Choose Tendon Fasteners?
- 100% Quality Traceability: Powered by our advanced MES system, we strictly implement a “One Order, One Code” tracking standard. Every stud can be accurately traced back to its original raw material Heat No.
- Integrated Production Line: We control the entire process in-house, from drawing, heat treatment, peeling, and cutting, to thread rolling and chamfering, ensuring consistent dimensional accuracy.
- Massive Capacity & Fast Delivery: With a 6,000-ton annual capacity and robust inventory management (80% stock production), we guarantee a rapid 7-day fast dispatch for standard orders.
(Need a specific dimension, MTC report, or custom coating? Contact our engineering team for a rapid response within 2 hours.)
