Metals specs: Titanium Grades U.S. standard grades

Metallic titanium was first isolated in impure form in 1887 and with higher purity in 1910. However, it was not until the 1950's that it began to come into use as a structural material. This was initially stimulated by aircraft applications. Although the aerospace industry still provides the major market, titanium and titanium alloys are finding increasingly widespread use in other industries due to their many desirable properties. Notable among these is their low densities, which fall between those of aluminum and iron and give very attractive strength to weight ratios. In addition, titanium and titanium alloys readily form stable protective surface layers which give them excellent corrosion resistance in many environments, including oxidizing acids and chlorides, and good elevated temperature properties up to about 440°C (1022°F) in some cases.

GENERAL SPECIFICATIONS
ASTM B265 Plate and Sheet
ASTM B299 Sponge
ASTM B337 Pipe (Annealed, Seamless and Welded)
ASTM B338 Welded Tube
ASTM B348 Bar and Billet
ASTM B363 Fittings
ASTM B367 Castings
ASTM B381 Forgings
ASTM B862 Pipe (As welded, no anneal)
ASTM B863 Wire (Titanium and titanium alloy)
ASTM F1108 6Al-4V Castings for surgical implants
ASTM F1295 6Al-4V Niobium alloy for surgical implant applications
ASTM F1341 Unalloyed titanium wire for surgical implant applications
ASTM F136(e-1) 6Al-4V ELI alloy for surgical implant applications.
Editorial changes were made throughout March 1994
ASTM F1472 6Al-4V for Surgical implant applications
ASTM F620 6Al-4V ELI Forgings for surgical implants
ASTM F67 Unalloyed titanium for surgical implant applications

TITANIUM GRADES
ASTM
GRADE
ALLOY
COMPOSITION
MINIMUM
TENSILE
(KSI)
MINIMIUM
YIELD
(KSI)
ELASTIC
MODULUS
(PSI-106)
1
Unalloyed Ti
35
25
14.9
2
Unalloyed Ti
50
40
14.9
3
Unalloyed Ti
65
55
14.9
4
Unalloyed Ti
80
70
15
5
Ti-6AI-4V
130
120
16.4
6
Ti-5Al-2.5Sn
120
115
16
7
Ti-0.15Pd
50
40
14.9
9
Ti-3Al-2.5V
90
70
13.1
10
Ti-11.5Mo-6Zr-4.5Sn
100
90
14.9
11
Ti-0.15Pd
35
25
14.9
12
Ti-0.3-Mo-0.8Ni
70
50
14.9
13
Ti-0.5Ni-0.05Ru
40
25
14.9
14
Ti-0.5Ni-0.05Ru
60
40
14.9
15
Ti-0.5Ni-0.05Ru
70
55
14.9
16
Ti-0.05Pd
50
40
14.9
17
Ti-0.05Pd
35
25
14.9
18
Ti-3Al-2.5V-0.05Pd
90
70
15.3
19
Ti-3Al-8V-6Cr-4Zr-4Mo
115
110
14.9
20
Ti-3Al-8V-6Cr-4Zr-4Mo-0.05Pd
115
110
14.9
21
Ti-15Mo-2.7Nb-3Al-0.25Si
115
110
14.9
23
Ti-6Al-4V ELI
115
110
16.3
24
Ti-6Al-4V-0.05Pd
130
120
16.4
25
Ti-6Al-4V-0.5Ni-0.05Pd
130
120
16.4
26
Ti-0.1Ru
50
40
14.9
27
Ti-0.1Ru
35
25
14.9
28
Ti-3Al-2.5V-0.1R
90
70
13.1
29
Ti-6Al-4V-0.1Ru
120
110
16.3

Examples: Titanium Gr 5 is Ti-6AI-4V
Titanium Gr 2 is known as commercially pure (CP Gr2)

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