Date Published:May. 10. 2016 Date Updated:Oct. 02. 2024
Titanium Property
Titanium Property
Physical property
| Property | TW340 (Grade 2 Titanium) |
Ti-6Al-4V (Grade 5 Titanium) |
Ti-15-3-3-3 (β titanium) |
SUSXM7 |
|---|---|---|---|---|
| Specific gravity | 4.51 | 4.43 | 4.8 | 7.93 |
| Melting point (℃) | 1668 | 1540 | - | - |
| Longitudinal elastic modulus (GPa) | 106 | 113 | 90 | 193 |
| Heat thermal conductivity (W/(m・K)) | 17.16 | 7.5 | - | 17 |
| Linear expansion coefficient (K-1) | 8.4×10-6 | 8.8×10-6 | - | 17.3×10-6 |
| Electric resistivity (μΩ・m) | 0.55 | 1.7 | - | 0.7 |
| Magnetic permeability (μ) | 1.0001 | 1.0002 | 1.0002 | 1.4 |
Values in chart are for reference only. They are not guaranteed values.
Mechanical property
| Property |
TW340 (Grade 2 Titanium) |
Ti-6Al-4V (Grade 5 Titanium) |
Ti-15-3-3-3 (β titanium) |
SUSXM7＊ |
|---|---|---|---|---|
| Tensile strength (N/mm2) | 340 - 510 | 895 or above | 705 - 945 | 500 |
| 0.2% durability (N/mm2) | 215 or above | 825 or above | 690 - 835 | 210 |
| Extension (%) | 23 or above | 10 or above | 12 or above | - |
* Value of tensile strength ranking A2-50.
Values in chart are for reference only. They are not guaranteed values.
Tensile breaking load(N)
| Screw diameter |
TW340 (Grade 2 Titanium) |
Ti-6Al-4V (Grade 5 Titanium) |
Ti-15-3-3-3 (β titanium) |
SUSXM7＊ |
|---|---|---|---|---|
| M3 | 3210 | 5240 | 4170 | 2500 |
| M4 | 5610 | 8850 | 7520 | 4400 |
| M5 | 9080 | 14700 | 11900 | 7100 |
| M6 | 12800 | 20800 | - | 10100 |
| M8 | - | 33700 | - | 18300 |
| M10 | - | 58900 | - | 29000 |
* Value of tensile strength ranking A2-50.
Values in chart are for reference only. They are not guaranteed values.
Magnetic flux density
| Titanium |
SUSXM7 | |
|---|---|---|
| Magnetic flux density（T） | 0 | 5×10-5 |
Measurement device：F.W.BELL 5080 type gauss (tesla) meter
Measurement condition：DC magnetic field measurement mode Distance between probe and sample 5mm
Chemical resistance （partially excerpted from“ World of Titanium” by Japan Titanium Society）
partially excerpted from “World of Titanium” by Japan Titanium Society
| Chemical name |
Composition(%) | Corrosion-resistant |
||
|---|---|---|---|---|
| Grade 2 Titanium |
SUS304 | Hastelloy* | ||
| Hydrochloric acid |
10 | 〇 | × | ◎ |
| 30 | × | × | ◎ | |
| Sulfuric acid |
10 | △ | - | ◎ |
| 50 | × | × | ◎ | |
| Nitric acid |
10 | ◎ | ◎ | ◎ |
| 50 | ◎ | ◎ | - | |
| Aqua regia (HCI：HNO3) |
3:1 | ◎ | × | △ |
| Chromic acid |
5 | ◎ | - | ◎ |
| Hydrofluoric acid |
5 | × | × | △ |
| Phosphoric acid |
50(ventilation) | △ | ◎ | ◎ |
| Ferric chloride |
10 - 30 | ◎ | × | ◎ |
| Copper chloride |
10 - 30 | 〇 | × | 〇 |
| Sodium chloride |
10 - 40 | ◎ | 〇 | 〇 |
| Calcium chloride |
50 | ◎ | 〇 | ◎ |
| Ammonium chloride |
40 | ◎ | - | ◎ |
| Magnesium chloride |
40 | ◎ | 〇 | ◎ |
| Ferrous sulfate |
10 - 50 | ◎ | 〇 | 〇 |
| Ammonia |
10 - 30 | ◎ | ◎ | ◎ |
| Sodium hydroxide |
50 | ◎ | ◎ | - |
| Sodium carbonate |
10 | ◎ | ◎ | ◎ |
| Hydrogen sulfide |
Dry gas |
◎ | △ | ◎ |
| Moist gas |
◎ | 〇 | 〇 | |
| Chlorine |
Dry gas |
× | - | ◎ |
| Moist gas |
◎ | - | △ | |
| Sulfurous acid gas |
Dry gas |
◎ | - | - |
| Moist gas |
◎ | - | - | |
| Seawater |
High flow rate |
◎ | - | - |
| Formic acid |
10 - 50 | 〇 | 〇 | ◎ |
| Lactic acid |
50 | ◎ | 〇 | ◎ |
| Oxalic acid |
20 | × | - | 〇 |
| Citric acid |
10 - 50 | ◎ | 〇 | ◎ |
Test temperature : Normal temperature
- ◎：＜0.127 mm/year
- 〇：0.127 - 0.508 mm/year
- △：0.508 - 1.27 mm/year
- ×：＞1.27 mm/year
* Hastelloy is a registered trademark of Haynes.
- A test piece was used to acquire the test data.
- Chemical resistance changes with performance conditions.
Always carry out tests under performance conditions similar to actual conditions in advance.
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