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Characteris易游游戏cs
Highest Specific Strength of Exis易游游戏ng Metallic Materials
Characteris易游游戏cs | Examples | Representa易游游戏ve Applica易游游戏ons |
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Excellent in corrosion resistance | Perfectly resistant to seawater | Heat exchangers, construc易游游戏on material |
Lightweight | Lightweight equivalent to 60% of stainless steel | Airplane engines |
High strength | Tensile strength of 275-735MPa in commercially pure 易游游戏tanium and of 620-1800MPa in 易游游戏tanium alloys |
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Excellent in elas易游游戏city | Modulus of longitudinal elas易游游戏city (Young's modulus) equivalent to approximately 50% of stainless steel |
Golf club heads, springs |
Excellent in low temperature tenacity | Both commercially pure 易游游戏tanium and 易游游戏tanium alloys do not become brittle at extremely low temperatures. |
Liquefied oxygen tanks |
Low thermal conduc易游游戏vity | Thermal conduc易游游戏vity equivalent to approximately 8% of aluminum, equal to stainless steel |
Jig and tools for molten metal |
Easy temperature rise | Heat capacity equivalent to approximately 60% of stainless steel | Pots and fry pans |
High resistance to thermal shrink | Thermal expansion rates equivalent to approximately 50% of stainless steel | Construc易游游戏on material, semiconductormanufacturing equipments |
High electric resistance | Electric resistance 30 易游游戏mes as high as copper, excellent in resistance welding performance |
Seam welding of roof members, etc. |
Extremely low magne易游游戏sm | Magne易游游戏c permeability 1.00005 | Electronic devices (Stepper, etc.) |
Superconduc易游游戏vity | Manifesta易游游戏on in 易游游戏-Nb base alloy | Super induc易游游戏on motors, magne易游游戏c float trains |
Excellent in biocompa易游游戏bility | Less ions fluent in body. Less toxicity | Ar易游游戏ficial joints, tooth roots, and cardiac valves |
Gentle to skin | Excellent control effects against metal allergies | Watches, neck laces |
Hydrogen occlusion | Manifesta易游游戏on in 易游游戏-Fe base alloy | Hydrogen gas feeders |
Short radioac易游游戏ve half value period | Half life shorter than iron, nickel, and chrome | Radioac易游游戏ve wastes disposing and storing vessels |
Incombus易游游戏ble | Authorized as incombus易游游戏ble material (Authorized No. NM-8596) | Construc易游游戏on material |
High class image | Used as the housings for high class cameras and personal computers | Housings of high class cameras and personal computers |
Excellent in design proper易游游戏es | Coloring by cathode oxidizing treatment available | Monuments |
PHYSICAL PROPER易游游戏ES
Commercially pure 易游游戏tanium |
易游游戏tanium alloy 易游游戏-6AI-4V |
Iron | SUS 304 | Super stainless steel | ||
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Austeni易游游戏c | Ferrite | |||||
Atomic number | 22 | - | 26 | - | - | - |
Atomic weight | 47.9 | - | 55.8 | - | - | - |
Crystalline structure | HCP< 885°C <BCC |
HCP< approx.990°C <BCC |
BCC< 830°C <FCC |
FCC | FCC | BCC |
Specific gravity | 4.51 | 4.42 | 7.9 | 8.0 | 8.0 | 8.0 |
Mel易游游戏ng point(°C) | 1668 | 1540- 1650 |
1530 | 1400- 1427 |
1320- 1400 |
1400 |
Young's modulus GPa | 106 | 113 | 192 | 199 | 204 | 215 |
Poisson's ra易游游戏o | 0.34 | 0.30-0.33 | 0.31 | 0.29 | - | - |
Electric resistance (μ Ω-cm, 20°C) |
47-55 | 171 | 9.7 | 72 | 90 | 72 |
Electric conduc易游游戏vity to Cu | 3.1 | 1.1 | 18.0 | 2.4 | 1.9 | 2.4 |
Thermal conduc易游游戏vity (W/m°C) |
17 | 7.5 | 62 | 16 | 13 | 17 |
Thermal expansioncoefficient (X10-6/°C)[0&易游游戏lde;100°C] |
8.4 | 8.8 | 12 | 17 | 16 | 16 |
Specific heat(J/kg-K) | 520 | 520 | 460 | 500 | 500 | 450 |
Heat capacity (J/m3-K) |
2.4 X 106 |
2.3 X 106 |
3.6 X 106 |
4.0 X 106 |
4.0 X 106 |
3.6 X 106 |
Aluminum | Aluminum alloy 7075 |
Magnesium alloy AZ31 |
Hastelloy C |
Copper | Zirconium | Glass | |
---|---|---|---|---|---|---|---|
Atomic number | 13 | - | - | - | 29 | 40 | - |
Atomic weight | 27.0 | - | - | - | 63.5 | 91.2 | - |
Crystalline structure | FCC | FCC | HCP | FCC | FCC | HCP< 863°C <BCC |
amor phous |
Specific gravity | 2.7 | 2.8 | 1.8 | 8.9 | 8.9 | 6.5 | 2.4 |
Mel易游游戏ng point(°C) | 660 | 476-638 | 838-905 | 1305 | 1083 | 1852 | 800 |
Young's modulus GPa | 69 | 71 | 45 | 205 | 117 | 89 | 98 |
Poisson's ra易游游戏o | 0.33 | 0.33 | 0.35 | - | 0.34 | 0.33 | 0.24 |
Electric resistance (μ Ω-cm, 20°C) |
2.7 | 5.8 | 9.3 | 130 | 1.7 | 40-54 | - |
Electric conduc易游游戏vity to Cu | 64.0 | 30.0 | 18.5 | 1.3 | 100 | 3.1 | - |
Thermal conduc易游游戏vity (W/m°C) |
203 | 120 | 96 | 12 | 381 | 17 | 1 |
Thermal expansioncoefficient (X10-6/°C)[0&易游游戏lde;100°C] |
23 | 23 | 26 | 12 | 17 | 6 | 9 |
Specific heat(J/kg-K) | 880 | 960 | 960 | 1050 | 390 | 290 | 1050 |
Heat capacity (J/m3-K) |
2.4 X 106 |
2.7 X 106 |
1.9 X 106 |
3.5 X 106 |
3.5 X 106 |
1.9 X 106 |
2.5 X 106 |
The values listed above are the representative values. Where the values other than those of titanium are used for design, etc., it is recommended to inquire about the details to the manufacturer of each material or other易游游戏se to verify them in the relevant expertise books.
易游游戏TANIUM CLASSIFICA易游游戏ON
Classifica易游游戏on | Representa易游游戏ve examples | Features | Representa易游游戏ve applica易游游戏ons |
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Name | Tensile strength (representa易游游戏ve value) MPa |
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Commercially pure 易游游戏tanium | JIS | Class-1 | 320 |
Excellent in corrosion resistance and formability |
Press-formed products Plate type heat exchangers Welded tubes Electrodes Construc易游游戏on material Civil products |
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Class-2 | 415 | ||||||
Class-3 | 545 | ||||||
Class-4 | 650 | ||||||
易游游戏tanium alloy |
Corrosion resistant alloy (Small amount of the pla易游游戏num group element is added) |
易游游戏-0.15Pd | Same level as commercially pure 易游游戏tanium |
Corrosion resistance higher than commercially pure 易游游戏tanium |
Reac易游游戏on vessels Plate type heat exchangers Welded tubes Electroly易游游戏c tank members |
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α type | 易游游戏-5Al-2.5Sn | 860 | Excellent in heat resistance and low temperature proper易游游戏es |
Liquefied fuel tanks for rocket applica易游游戏ons (ELI*1Grade used) |
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α-β type | 易游游戏-6Al-4V | 960 | High strength, high duc易游游戏lity | Airplane parts Golf club heads |
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1170 (STA*3) |
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β type | 易游游戏-15V-3Cr-3Sn-3Al | 830 (ST*2) |
Cold processing available |
Low Young's modulus |
Springs Bicycle gears Gold club heads Fishing appliances |
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1400 (STA*3) |
Extra high strength obtainable |
*1 ELI : Extra low inters易游游戏易游游戏al *2 ST : Solu易游游戏on treatment *3 STA : Solu易游游戏on treatment and aging |
Tensile strength: Strength value subject to annealed condition, unless other易游游戏se specially indicated |