1. Product Overview
Our High Tensile Steel Tension-Control-Bolt- is engineered to meet the highest industry standards, ensuring reliable fastening and structural integrity in demanding environments. Manufactured using top-grade high tensile steel, this tension-control-bolt- offers exceptional corrosion resistance, longevity, and strength. Whether used in construction, marine, automotive, or general manufacturing, our fasteners provide unparalleled quality and performance. The precise threading and robust design guarantee a secure fit and easy installation, reducing maintenance costs and enhancing the safety of your assemblies.
We offer this product in a variety of premium materials. For general applications, our SS 304 variants provide excellent baseline corrosion resistance, while our SS 316 components are explicitly designed for highly corrosive marine and chemical environments.
2. Applications & Uses
- Securing structural frameworks in heavy civil engineering.
- High-pressure flanged connections in pressure vessels and pipelines.
- Anchoring critical machinery subject to extreme vibrations.
- Assembly of solar mounting structures in outdoor environments.
3. Technical Specifications
| Size Range | M3 to M64 (Custom up to M100) |
| Standard | DIN, ISO, IS, BS, ASTM |
| Thread Type | Metric Coarse, Metric Fine, UNC, UNF |
| Grade/Class | 4.6, 8.8, 10.9, 12.9, A2-70, A4-70, A4-80 |
| Surface Finish | Zinc Plated, Hot Dip Galvanized, PTFE, Black Oxide, Passivated |
4. Chemical Composition
The exact chemical makeup dictates the corrosion resistance and tensile strength. Below is a standard breakdown for our austenitic stainless variants:
| Grade | Carbon (C) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) |
|---|---|---|---|---|
| 304 | 0.08% max | 18.0 - 20.0% | 8.0 - 10.5% | - |
| 316 | 0.08% max | 16.0 - 18.0% | 10.0 - 14.0% | 2.0 - 3.0% |
5. Mechanical Properties
Our fasteners undergo rigorous mechanical testing to verify yield strength and ultimate tensile strength. We offer property classes suitable for heavy engineering and standard fastening alike.
6. Quality Assurance & Testing
Every batch of Tension-Control-Bolt- is accompanied by an EN 10204 3.1 Material Test Certificate (MTC). Our in-house laboratory performs Salt Spray Tests, Tensile Strength Tests, Hardness Tests, and Positive Material Identification (PMI).
7. Packaging & Global Export
We utilize heavy-duty corrugated boxes lined with VCI (Volatile Corrosion Inhibitor) bags to ensure sea-freight safety. Bulk orders are palletized and stretch-wrapped for zero-defect transit worldwide.