Specifications
- Plate, Sheet & Strip: ASTM B265
- Rod & Bar: ASTM B348
Titanium Grade 5, also known as Ti-6Al-4V, is a popular titanium alloy appreciated for its excellent strength-to-weight ratio, corrosion resistance, and biocompatibility. Its use across several industries and environments is a testament to its value and hardiness as a material.
If you need lightweight and strong fasteners, Titanium Gr5 is for you. Contact us to request a quote.
If your question isn’t answered below, download the complete technical data sheet here.
| Specific Gravity |
| 0.160 |
| Modulus of Elasticity (E) | 15.2 x 103 ksi |
| Beta Transus | 1800 to 1850 °F |
| Liquidus Temperature | 2976 to 3046 °F |
| Solidus Temperature | 2900 to 2940 °F |
| Electrical Resistivity | |
| -418°F | 902.5 ohm-cir-mil/ft |
| 73°F | 1053 ohm-cir-mil/ft |
| 986°F | 1143 ohm-cir-mil/ft |
| Ultimate Bearing Strength | 1380-2070 MPa (200-300 ksi) |
| Compressive Yield Strength | 825-895 MPa (120-130 ksi) |
| Ultimate Shear Strength | 480-690 MPa (70-100 ksi) |
| Ultimate Tensile Strength |
Yield Strength | %EI |
%RA |
|||
| MPa | ksi | MPa | ksi | |||
| Minimum Specified Tensile Properties | ||||||
| Annealed | 896 | 130 | 827 | 120 | 10 | 25 |
| STA (depending on diameter) | 1035 – 1135 | 150 – 165 | 965 – 1070 | 140 – 155 | 10 | 20 |
| Typical Tensile Properties | ||||||
| Annealed | 965 – 1090 | 140 – 158 | 875 – 995 | 127 – 144 | 16 | 46 |
| STA (depending on diameter) | 1100 – 1220 | 160 – 177 | 1035 – 1130 | 150 – 164 | 15 | 52 |
| Fatigue Limits (Axial Fatigue, R = 0.06 to 0.1) |
|
| Smooth | 400-700 MPa (60-100 ksi) |
| Notched (KT = 3) | 140-270 MPa (20-40 ksi) |
| Material | Ultimate Tensile Strength |
Specific Strength | ||
| MPa | ksi | m x 103 | in x 106 | |
| Ti 6AI-4V STA | 1172 | 170 | 27.0 | 1063 |
| Ti 6AI-4V Annealed | 924 | 134 | 21.3 | 838 |
| 4130 Steel | 1379 | 200 | 17.9 | 707 |
| 7075-T6 Aluminum | 538 | 78 | 19.6 | 772 |
| 2024 T3 Aluminum | 441 | 64 | 16.1 | 634 |
| Inconel 718 | 1276 | 185 | 15.3 | 603 |
| Sulfuric Acid | Moderate |
| Sodium Hydroxide | Moderate |
| Sea Water | Excellent |
| Humidity | Excellent |
| Acetic Acid | Excellent |
| Salt Spray (NaCl) | Excellent |
| Medium | Concentration | Temperature | Corrosion Rate | ||
| % | °C | °F | mm/yr | mils/yr | |
| Sea Water | n/a | room | nil | nil | |
| Hydrochloric Acid | 2 | 37.8 | 100 | nil – 0.03 | nil – 1.2 |
| Hydrochloric Acid | 10 | 37.8 | 100 | 0.508 – 1.02 | 20 – 40 |
| Hydrochloric Acid + 5% CrO2 | 10 | 65.6 | 150 | nil – 0.005 | nil – 0.2 |
| Hydrochloric Acid | vapors | 37.8 | 100 | 8.33 – 1.04 | 328 – 408 |
| Nitric Acid | 65 | boiling | 0.076 – 0.13 | 3 – 5 | |
| Sulfuric Acid | 2 | 37.8 | 100 | 0.396 – 0.549 | 15.6 – 21.6 |
| Sodium Hydroxide | 25 | boiling | 0.046 – 0.051 | 1.8 – 2.0 | |
| Mill Anneal | 705 – 790°C (1300 – 1450°F) 1 – 4 hrs. – air cool (Or equivalent) |
| Solution Treat + Age (STA) | 940 – 970°C (1725 – 1775°F) 10 min. – water quench (or equiv.) + 480 – 595°C (900 – 1100°F) 2 – 8 hrs. – air cool (Or equivalent) |
| Stress Relief | 480 – 650°C (900 – 1200°F) 1 – 4 hrs. – air cool (Or equivalent) |
| Beta Anneal | 1035°C (1900°F) 30 min. – air cool + 730°C (1350°F) 2 hrs. – air cool |
| Heat Treatment | Thermal Cycle | Removal Required |
| Mill Anneal | 760°C (1400°F) 2 hrs. | 0.038 mm (0.0015 in.) |
| Solution Treat + Age (STA) | 954°C (1750°F) 10 min. + 480°C (900°F) 4 hrs. | 0.107 mm (0.0042 in.) |
Titanium Gr5 is a titanium alloy consisting of approximately 90% titanium, 6% aluminum and 4% vanadium. It can withstand 148 kilopounds per square inch (KSI) or 1,020 megapascals (MPa) before catastrophic failure. This quality and the alloy’s high fatigue strength, toughness and creep resistance make it a strong material option. Its high modulus of elasticity, combined with its strength and lightweight nature, makes it extremely versatile across many industries.
Grade 5 titanium exhibits superb physical and mechanical properties, making it a workhorse in the titanium industry. Some of these physical properties include:
The mechanical properties that make Titanium Gr5 alloy a versatile material for aerospace and marine applications are:
Because of its melting point and hardness, processing Titanium Gr5 requires specialized techniques if you machine it. However, it’s excellent for welding.
Titanium Gr5 properties give it a multitude of benefits in the industries in which it’s popular.
The main benefits of this alloy are its strength and durability, making it versatile enough to use in multiple industries that require the material to undergo extreme external pressures. Its toughness creates longevity before it needs replacement or maintenance, making it a cost-effective material in the long run.
Following are some examples of usage in the industries that commonly use Titanium Gr5:
Nickel Systems offers a wide range of Titanium Gr5 fasteners for every application. In addition to our standard fasteners available for purchase, we also stock a range of socket and vented products if you need something more specialty.
To ensure you choose the correct Titanium Gr5 fastener, consider the following factors:
Contact us for a quote or to check whether the fastener type you require is available.
