Pure titanium material properties

●Density 4.51 (about 60% of steel) Non-magnetic (magnetic permeability 1.0001)

Chemical components
Pure titanium Chemical components(%)
H O N Fe Ti
0.015 0.20 0.05 0.25 Remaining
part
Physical properties/Comparison with other metals
Item Pure titanium Iron SUS304 Aluminum Copper
Specific gravity 4.51 7.9 7.9 2.7 8.9
Melting point(℃) 1668 1530 1400 650 1083
Specific heat(J/k・K) 0.519 0.460 0.502 0.879 0.385
Linear expansion coefficient(/K) 8.4×10-6 12×10-6 17×10-6 23×10-6 17×10-6
Thermal conductivity(W/m・K) 17 63 16 205 385
Electrical resistivity(μΩ・m) 0.55 0.097 0.72 0.027 0.017
Electrical conductivity(% ratio for copper) 3.1 18 2.4 64 100
Vertical modulus of elasticity(GPa) 106.3 205.8 199.9 69.1 107.8
Poisson's ratio 0.34 0.31 0.30 0.33 0.34
Mechanical properties
Item Unit   TemperatureCharacteristics
0℃ 200℃ 400℃
Tensile strength MPa 340-510 441 245 147
0.2 yield strength MPa ≧215 304 147 78
Elongation ≧23 23 45 40
Contraction ≧40 Note: Does not exhibit sudden embrittlement until extreme cold temperatures (around -200℃).
Hardness HV 160
Specific strength MPa 75

Note: The numeric values above are typical values. They are not standard values.

Chemical resistance
Chemical name Composition(%) Evaluation
Hydrochloric acid 10
30 ×
Sulfuric acid 10
50 ×
Nitric acid 10
50
Phosphoric acid 10(Ventilation)
50(Ventilation)
Ferric chloride 10
30
Cupric chloride 10
30
Sodium chloride 10
40
Calcium chloride 10
50
Ammonium chloride 10
40
Chemical name Composition(%) Evaluation
Ammonia 10
30
Caustic soda 10
50
Hydrogen sulfide Dry gas
Wet gas
Chlorine Dry gas ×
Wet gas
Seawater High flow velocity
Acetic acid 10
60
Formic acid 10
50
Citric acid 10
50

Explanation of symbols:
◎: <0.127, ○: 0.127 to 0.508, △: 0.508 to 1.27, ×: >0.27 mm/year Test temperatures are all ambient (24°C)
Note : For actual use, always conduct testing since differences occur due to usage conditions. The numeric values above are typical values. They are not standard values.