titanium alloy materials, properties, characteristics & advantages of titanium, standards.

1. List of Titanium and Titanium Alloys
Baoji Mingkun Nonferrous Metal Co.,Ltd
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Mechanical properties at room temperature
Composition Heat treatment
Tensile strength
0.2% Proof
stress
Elongation
Characteristics & Advantages Remarks
l Commercially Pure titanium
JIS Grade1 270-410 165~ 27~ Formability ASTM G1
JIS Grade2 340-510 215~ 23~ Representative grade for highly wide use ASTM G2, AMS 4902
JIS Grade3 480-620 345~ 18~ Medium strength ASTM G3. AMS 4900
JIS Grade4
Annealing
550-750 485~ 15~ High strength ASTM G4.AMS4901,4921
l Corrosion resistant alloy
l α alloy
0.15Pd 340-510 215~ 23~ ASTM G7
0.4Ni-Cr-Ru-Pd 450~ 380~550 18~ ASTM G34
0.3Co-0.05Pd 450-590 380~ 18~ ASTM G31
0.5Ni-0.05Ru 410-530 275~ 20~ ASTM G14
0.3Mo~0.8Ni
Annealing
483~ 345~ 18~
Crevice corrosion resistance
ASTM G12
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2. l Near α alloy
l α-βalloy
l β alloy
5Al-2.5Sn 828~ 793~ Weld ability, Heat resistance
ASTM G6, AMS
4910,4926,4966
5Al-2.5Sn ELI
Annealing
690~ 655~
10~
Cryogenic toughness, welderbility, heat
resistance
-
6Al-2Sn-4Zr-2Mo-0.05Si Annealing (STA) 930~(895~) 860~(825~) Heat resistance AMS 4919,4975,4976
8Al-1Mo-1V
Annealing
(DA,STA)
1000~(895~) 930~(825~)
10~(10~)
High strength, Heat resistance AMS4915,4916,4972,4973
3Al-2.5V Annealing 620~ 485~ Cold workability ASTM G9
5AL-2Sn-2Zr-4Mo-4Cr STA 1124~1265 1055~1193
15~ High strength, Toughness, Fatigue strength,
Creep resistance
AMS 4955, Ti-17
6Al-4V 895~ 825~ 5~ Representative alloy for very wide use ASTM G5
6Al-4V ELI
Annealing
825~ 755~ 10~ Cryogenic toughness ASTM G23
6Al-6V-2Sn Annealing(STA) 1035~(1205~) 965~1140(1105~) 10~(8~) Harden ability AMS 4918
6Al-2Sn-4Zr-6Mo STA 1170~ 1170~ 10~ Creep resistance AMS 4981
3Al-8V-6Cr-4Zr-4Mo ST 793~ 759~ 15~ Cold workability, High age hardenability ASTM G9
13V-11Cr-3Al 860~(1170~) 825~(1100~) 10~(4~) High age hardenability AMS 4955, Ti-17
11.5Mo-6Zr-4.5Sn 758~(1241 以上) 1621~(1207~) 15~(8~) Cold workability, High age hardenability ASTM G5
10V-2Fe-3Al
ST(STA)
1240~ 1105~ 4~ High strength and toughness high fatigue ASTM G23
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3. ST: Solution heat treatment
STA: Solution heat treatment + Aging treatment
DA: Duplex annealing
Other alloys: 50Nb and 53.5Nb, (Super conductivity), 55Ni(Shape memory alloy), 56Ni(Super elasticity), TiAl, Ti3Al(Intermetallic
compound, Heat resistance)
strength, hardenability
15V-3Cr-3Sn-3Al ST(STA) 745~945(1000~) 690~1835 12~(7~) Cold workability, High age hardenability AMS 4918
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