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Material

Titanium

It's a light, hard, corrosion-resistant metal.
It is an important metal material used in aircraft manufacturing.
Compounds are used as white pigments, photocatalysts, abrasion resistant coatings, chemical catalysts, etc.

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Chemical Composition of Titanium in accordance with ASTM Specification
Element symbol Atomic number Atomic weight Melting point Boiling point Density
Ti 22 47.88 1675℃ 3260℃ 4.50(20℃)
Applied of Titanium (Light weight, High strength, High corrosion resistance)

application field

petrochemistry Heat exchangers, reactors, pressure vessels, Piping, valves, electrodes
Aerospace Mechanical structure, Engine parts
thermal and nuclear power thermal and nuclear power
Nuclear waster Transport container
Precision machine Watches, Camera Computers, etc.
Vehicle Con-rod, Valves, Frames
Medical, Dental Artificial bone, Surgical instruments, Pin set, Set screw
Marine application Desalination equipment, LING seawater cooler tube
Civil engineering, construction, and low temperature equipment Barriers, color building, magnetic levitation train.
Shape Memory Characteristics Sensors, thermo-driven bodies, glasses frames.
Goods of sports Golf club, Tennis racket, Bicycle
Accessory Glasses frame, Necktie pins, Necklaces, Rings, etc.
Properties of Titanium

Titanium has a density of 4.51, about 60% lighter than Iron and 1.6 times lighter than aluminum. It is classified as a common light metal and has a melting point 1668 ° C (iron 1536℃). Lower thermal conductivity and thermal expansion, less strain during construction.

On the periodic table, the atomic numbers located in the 4th cycle group VA are 22. It is a transition metal. It is the ninth most abundant element after O / Si / Al / Fe / Ca / k / Mg among the elements constituting the crust.

Titanium

Properties of Titanium

Advantages of Light weight metals

The density of Titanium is 4.51, which is very light as 50% of copper and nickel , 60% of the stainless steel, so the weight of the structure can be lightened.

High Strength

The strength of Pure Titanium has the highest specific strength of any other metal material up to 30~75kgf/mm2 500°C

Excellent corrosion resistance

The corrosion resistance of Titanium is remarkable. The internal resistance of the metal forms a protective coating of the oxide which is difficult to decompose. The corrosion of Titanium is uniform, and there is little evidence of caved or localized other serious occurrences. Normally, it does not suffer stress corrosion, fatigue corrosion, penetration, or electric corrosion.The corrosion resistance of Titanium is superior to stainless steel or copper alloy when compared under various conditions and It has corrosion resistance comparable to platinum in special seawater. Therefore, Titanium is used as an indispensable material in high-temperature, high-pressure and corrosive environments.

Non-toxic

Titanium is used for heart valves, artificial bones, and implantation of body tissues. Because it is harmless to the human body . so, has recently been widely used in medical and jewelry fields.
Characteristics by Titanium Type
Sort kind Explanation
C.P Titanium Gr.1 It has high elongation, good moldability, and easy processing with low strength.
Gr.2 The most commonly used Pure Ti
Gr.3 Excellent mechanical properties, excellent weldability
Gr.4 Used for high strength, high elasticity applications
Titanium Alloy Gr.5 6% Al (aluminum) and 4% V (vanadium) alloys provide excellent strength and heat resistance, and Ti Alloy is the most used.
Gr.7 It is an alloy containing Pb (palladium) and has excellent corrosion resistance.
Gr.9 Excellent strength, corrosion resistance and elasticity.
Gr.11 Excellent strength, corrosion resistance and elasticity.
Gr.12 Better heat resistance than Pure Ti.
Composition of Titanium
GRADE CHEMICAL COMPOSITIONS MACHANCAL COMPOSITIONS
C H O N Fe AI V Pb Ti Tensile Strength
(N/MM) 		Yield strength
(N/MM) 		Elongation(%)
C.P Ti JIS 1 - 0.02 0.02 0.05 0.20 - - - REM. 270 - 410 ≥165 ≥27
JIS 2 - 0.02 0.20 0.05 0.25 - - - " 340 - 510 ≥215 ≥23
JIS 3 - 0.02 0.30 0.07 0.30 - - - " 480 - 610 ≥345 ≥18
ASTM GR1 0.10 0.02 0.18 0.03 0.20 - - - " ≥240 170 - 310 ≥24
ASTM GR2 0.10 0.02 0.25 0.03 0.30 - - - " ≥345 275 - 450 ≥20
ASTM GR3 0.10 0.02 0.25 0.03 0.30 - - - " ≥450 380 - 550 ≥18
ASTM GR4 0.00 0.02 0.35 0.05 0.50 - - - " ≥550 485 - 655 ≥15
Ti Alloy ASTM GR5 0.10 0.02 0.20 0.05 0.40 5.5 - 6.75 3.5 - 4.5 - " 895 940 14
ASTM GR6 0.10 0.02 0.25 0.03 0.30 - - 0.1 - 0.25 " ≥345 275 - 450 ≥20
ASTM GR11 0.10 0.02 0.25 0.03 0.30 - - 0.1 - 0.25 " ≥240 170 - 310 24
JIS 11 - 0.013 0.18 0.05 0.25 - - 0.1 - 0.25 " 270 - 410 ≥165 ≥27
JIS 12 - 0.013 0.18 0.05 0.25 - - 0.1 - 0.25 " 340 - 510 ≥215 ≥23
JIS 13 - 0.013 0.30 0.07 0.30 - - 0.1 - 0.25 " 480 - 620 ≥345 ≥18
JIS 30WHD 0.10 0.015 0.20 0.05 0.30 5.5 - 6.75 3.5 - 4.5 - - 895 830 10
Physical Comparison of other metals
Atomic number Atomic weight Density
(g/㎠) 		Melting point(℃) Coefficient of linear expansion
(/1℃) 		Specific heat
(cal/gr/℃) 		Thermal conductivity
(cal/㎠/Sec/℃/㎝) 		Electrical resistivity Electrical conductivity Modulus Poisson's ratio
Titanium 22 47.9 4.51 1,668 8.4x10-6 0.124 0.041 55 3.1 10,850 0.34
Ti alloy Ti-6AI-4V 22(Ti) - 4.42 1,540~1,650 8.8x10-6 0.13 0.018 171 1.1 11,550 0.30~0.33
Zirconium 40 91.22 6.52 1,852 5.8x10-6 0.17 0.04 40~54 3.1 9,110 0.33
Hastelly C - - 8.9 1,305 11.3x10-6 0.092 0.03 130 1.3 20,860 -
Nickel 28 58.69 8.9 1,453 15x10-6 0.11 0.22 9.5 18 21,000 0.3
Nickel Alloy - - 8.8 1,300~1,350 14x10-6 0.13 0.062 48 3.6 18,300 -
Aluminium 13 26.97 2.7 660 23x10-6 0.21 0.49 2.7 64 7,050 0.33
Aluminium Alloy(75S-T6) - - 2.8 476~638 23x10-6 0.23 0.29 5.8 30 7,300 0.33
Aluminium Brass(BSTF-2) - - 8.4 970 18.5x10-6 0.09 0.24 7.5 20 11,000 -
18-8 Stainless-Steel(SUS304) - - 7.9 1,400~1,420 17x10-6 0.12 0.039 72 2.4 20,400 0.3
Iron 26 55.85 7.9 1530 12x10-6 0.11 0.15 9.7 18 21,000 0.31
Copper 29 63.57 8.9 1,083 17x10-6 0.092 0.92 1.724 100 11,000 0.34
Magnesium 12 24.32 1.7 650 25x10-6 0.24 0.38 4.3 40 4,570 0.35
Corrosion resistance comparison
Division Corrosion medium Composition(%) Temperature(℃) Corrosion resistance
Pure Titanium Pure Zirconium SUS304 SUS316 Hastelloy-c
Inorganic acid Hydrochloric acid(HCI) 1 25 A A B A A
Boiling pointBoiling point D A D D C
10 25 B A D D C
Boiling pointBoiling point D A D D D
Sulfuric acid((H2SO4) 1 25 A A A A A
10 D A D C B
10 25 B A B B A
Boiling pointBoiling point D A D D B
nitric acid((HNO3) 10 25 A A A A A
Boiling pointBoiling point A A A A B
65 25 A A A A B
Boiling pointBoiling point A A B B D
Organic acid Acetic acid(CH3COOH) 10 Boiling pointBoiling point A A A A A
60 Boiling pointBoiling point A A B B A
Oxalic acid((COOH)2) 10 25 A A C B A
30 Boiling pointBoiling point D A D D A
Formic acid(HCOOH) 10 25 B A B B B
25 60 D A C B B
Acetic acid(CH3CH(OH) 10 Boiling pointBoiling point A A B B B
85 Boiling pointBoiling point A A D D B
Alkaline Caustic soda(Na OH) 10 100 A A A A A
40 Boiling pointBoiling point D B B B B
Potassium (K2 CO3) 5 Boiling pointBoiling point A A A A A
20 Boiling pointBoiling point A A A A A
Inorganic chloride Sodium chloride 25 25 A+ A B+ B+ B
Boiling point A B B+ B+ B+
Ammonium chloride 40 25 A+ A B+ B+ A
Boiling point A+ A C+ B+ A+
magnesium chloride 42 25 A+ A A+ A+ A
Boiling point A A A+ A+ A+
Ferric chloride 30 25 A+ D D D C
Boiling point point A D D D D
Magnesium chloride 40 25 A+ A B+ B+ A
Boiling pointBoiling point A+ A C+ B+ A+
Inorganic salts Sodium sulfate 20 25 A A A A A
Boiling point A A A A A
Sodium sulfate 10 25 A A A A A
Boiling point A A B B A
Sodium hypochlorite 5 25 A A C C C
15 25 A A C C C
Sodium carbonate 30 25 A A A A A
Boiling point A A A A A
Organic compound Methyl alcohol 95 25 A A A A A
Carbon tetrachloride 100 Boiling point A A B B B
Phenol Saturation 25 A A A A B
Formaldehyde 37 Boiling point A A A A B
Gas Chlorine Dry 25 D A A A A
Wet 25 A+ D D D D
Hydrogen sulfide Dry 25 A A C B A
Wet 25 A A B A B
Ammonia 100 40 A A A A A
- 100 A A A A A
Etc Sea water - 25 A A A+ A+ A
100 A+ A B+ B+ A+
- 80 A A A+ A+ A
180 A A A+ A+ A