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Date Published:May. 10. 2016 Date Updated:Oct. 02. 2024

Titanium Property

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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 ×
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 ×
Sodium chloride
10 - 40
Calcium chloride
50
Ammonium chloride
40 -
Magnesium chloride
40
Ferrous sulfate
10 - 50
Ammonia
10 - 30
Sodium hydroxide
50 -
Sodium carbonate
10
Hydrogen sulfide
Dry gas
Moist gas
Chlorine
Dry gas
× -
Moist gas
-
Sulfurous acid gas
Dry gas
- -
Moist gas
- -
Seawater
High flow rate
- -
Formic acid
10 - 50
Lactic acid
50
Oxalic acid
20 × -
Citric acid
10 - 50

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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