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Product Overview
Titanium Grade 5 (Ti-6Al-4V) nuts are high-performance fasteners manufactured from the alpha-beta titanium alloy UNS R56400, conforming to ASTM B348 and ASTM F467 standards. This alloy contains 6% aluminium and 4% vanadium, providing a unique combination of high strength-to-weight ratio, excellent corrosion resistance, and outstanding fatigue properties. Titanium Grade 5 nuts are widely specified for critical bolted joints in aerospace, marine, chemical, and medical applications where weight savings and reliability are paramount.
With a minimum tensile strength of 895 MPa and exceptional resistance to chloride-induced corrosion, Ti-6Al-4V nuts are the industry standard for demanding environments, including offshore platforms, aircraft structures, and high-performance automotive assemblies.
| Material | Titanium Grade 5 (Ti-6Al-4V) |
| UNS Number | R56400 |
| DIN Number | 3.7165 |
| Material Standard | ASTM B348 / ASTM F467 |
| Nut Standard (Metric) | DIN 934 / ISO 4032 |
| Nut Standard (Inch) | ASME B18.2.2 |
| Thread Form | ISO Metric / UNC / UNF |
| Diameter Range | M3-M64 / ?"-2½" |
| Tensile Strength | 895 MPa (130 ksi) min |
| Yield Strength | 828 MPa (120 ksi) min |
| Hardness | Max 36 HRC / 349 HB |
Complete the Fastener Set
Technical Data
| Size (M) | Pitch (mm) | A/F (mm) | Height (mm) |
|---|---|---|---|
| M3 | 0.5 | 5.5 | 2.4 |
| M4 | 0.7 | 7 | 3.2 |
| M5 | 0.8 | 8 | 4.7 |
| M6 | 1.0 | 10 | 5.0 |
| M8 | 1.25 | 13 | 6.5 |
| M10 | 1.5 | 17 | 8.0 |
| M12 | 1.75 | 19 | 10.0 |
| M16 | 2.0 | 24 | 13.0 |
| M20 | 2.5 | 30 | 16.0 |
| M24 | 3.0 | 36 | 19.0 |
| M30 | 3.5 | 46 | 24.0 |
| M36 | 4.0 | 55 | 29.0 |
| M42 | 4.5 | 65 | 34.0 |
| M48 | 5.0 | 75 | 38.0 |
| M56 | 5.5 | 85 | 45.0 |
| M64 | 6.0 | 95 | 51.0 |
| Standard | Covers | Thread |
|---|---|---|
| DIN 934 | Hex nuts | Metric |
| ISO 4032 | Hex nuts | Metric |
| ASME B18.2.2 | Hex & heavy hex nuts | UNC/UNF |
| ISO 7040 | Prevailing torque nuts | Metric |
| DIN 985 | Lock nuts | Metric |
| Material Standard | Requirement |
|---|---|
| ASTM B348 | Bar/rod - UNS R56400 |
| ASTM F467 | Fastener mechanical |
| AMS 4928 | Aerospace bar/rod |
| EN 10204 3.1 | Mill test certificate |
| EN 10204 3.2 | TPI-witnessed MTC |
Material Chemistry
| Element | Composition (%) |
|---|---|
| Titanium (Ti) | Balance |
| Aluminium (Al) | 5.5-6.75 |
| Vanadium (V) | 3.5-4.5 |
| Iron (Fe) | 0.40 max |
| Oxygen (O) | 0.20 max |
| Carbon (C) | 0.08 max |
| Nitrogen (N) | 0.05 max |
| Hydrogen (H) | 0.015 max |
| Other Elements | 0.40 max (each 0.10) |
Fastener Performance
| Bolt Size | Dry (Nm) | Lubricated (Nm) | Clamp Load (kN) |
|---|---|---|---|
| M8 | 28 | 22 | 20 |
| M10 | 56 | 45 | 32 |
| M12 | 98 | 78 | 47 |
| M16 | 240 | 192 | 95 |
| M20 | 470 | 376 | 150 |
| M24 | 820 | 656 | 216 |
| M30 | 1600 | 1280 | 340 |
Industry Applications
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