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ASTM B384

ASTM B387 Specification

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Scope

This specification2 covers annealed titanium and titanium alloy bars and billets as follows:
Grade 1—Unalloyed titanium,
Grade 2—Unalloyed titanium,
Grade 2H—Unalloyed titanium (Grade 2 with 58 ksi minimum UTS),
Grade 3—Unalloyed titanium,
Grade 4—Unalloyed titanium,
Grade 5—Titanium alloy (6 % aluminum, 4 % vanadium),
Grade 6—Titanium alloy (5 % aluminum, 2.5 % tin),
Grade 7—Unalloyed titanium plus 0.12 to 0.25 % palladium,
Grade 7H—Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi minimum UTS),
Grade 9—Titanium alloy (3 % aluminum, 2.5 % vanadium),
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Chemical Composition

ElementComposition, %
Grade 1Grade 2Grade 2HGrade 3Grade 4Grade 5Grade 6Grade 7Grade 7HGrade 9Grade 11Grade 12
Nitrogen, max0.030.030.030.050.050.050.030.030.030.030.030.03
Carbon, max0.080.080.080.080.080.080.080.080.080.080.080.08
Hydrogen,B,C max0.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.015
Iron, max0.200.300.300.300.500.400.500.300.300.250.200.30
Oxygen, max0.180.250.250.350.400.200.200.250.250.150.180.25
Aluminum……………5.5-6.754.0-6.0……2.5-3.5……
Vanadium……………3.5-4.5………2.0-3.0……
Tin………………2.0-3.0……………
Ruthenium………………………………
Palladium…………………0.12-0.250.12-0.25…0.12-0.25…
Cobalt………………………………
Molybdenum……………………………0.2-0.4
Chromium………………………………
Nickel……………………………0.6-0.9
Niobium………………………………
Zirconium………………………………
Silicon………………………………
Residuals,D,E,F max each0.10.10.10.10.10.10.10.10.10.10.10.1
Residuals,D,E,Fmax total0.40.40.40.40.40.40.40.40.40.40.40.4
Titanium Gbalancebalancebalancebalancebalancebalancebalancebalancebalancebalancebalancebalance
Element Composition, %
Grade 13 Grade 14 Grade 15 Grade 16 Grade 16H Grade 17 Grade 18 Grade 19 Grade 20 Grade 21
Nitrogen, max 0.03 0.03 0.05 0.03 0.03 0.03 0.03 0.03 0.03 0.03
Carbon. max 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.05 0.05 0.05
Hydrogen,B,C max 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.02 0.02 0.015
Iron,max 0.20 0.30 0.30 0.30 0.30 0.20 0.25 0.30 0.30 0.40
Oxygen,max 0.10 0.15 0.25 0.25 0.25 0.18 0.15 0.12 0.12 0.17
Aluminum … … … … … … 2.5-3.5 3.0. 4.0 3.0-4.0 2.5-3.5
Vanadium … … … … … … 2.0-3.0 7.5-8.5 7.5-8.5 …
Tin … … … … … … … … … …
Ruthenium 0.04-0.06 0.04-0.06 0.04-0.06 … … … … … … …
Palladium … … … 0.04-0.08 0.04-0.08 0.04-0.08 0.04-0.08 … 0.04-0.08 …
Cobalt … … … … … … … … … …
Molybdenum … … … … … … … 3.5-4.5 3.5-4.5 14.0-16.0
Chromium … … … … … … … 5.5-0.5 5.5-0.5 …
Nickel 0.4-0.6 0.4-0.6 0.4-0.6 … … … … … … …
Niobium … … … … … … … … … 2.2-3.2
Zirconium … … … … … … … 3.5-4.5 3.5-4.5 …
Silicon … … … … … … … … … 0.15-0.25
Residuals,D,E,F max each 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.15 0.15 0.1
Residuals,D,E,Fmax total 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TitaniumG balance balance balance balance balance balance balance balance balance balance
ElementComposition, %
Grade 23Grade 24Grade 25Grade 26Grade 26HGrade 27Grade 28Grade 29Grade 30
Nitrogen, max0.030.050.050.030.030.030.030.030.03
Carbon, max0.080.080.080.080.080.080.080.080.08
Hydrogen,B,C max0.01250.0150.01250.0150.0150.0150.0150.0150.015
Iron, max0.250.400.400.300.300.200.250.250.30
Oxygen, max0.130.200.200.250.250.180.150.130.25
Aluminum5.5-6.55.5-6.755.5-6.75………2.5-3.55.5-6.5…
Vanadium3.5-4.53.5-4.53.5-4.5………2.0-3.03.5-4.5…
Tin………………………
Ruthenium………0.08-0.140.08-0.140.08-0.140.08-0.140.08-0.14…
Palladium…0.04-0.080.04-0.08……………0.04-0.08
Cobalt……………………0.20-0.80
Molybdenum………………………
Chromium………………………
Nickel……0.3-0.8………………
Niobium………………………
Zirconium………………………
Silicon………………………
Residuals,D,E,F max each0.10.10.10.10.10.10.10.10.1
Residuals,D,E,Fmax total0.40.40.40.40.40.40.40.40.4
Titanium Gbalancebalancebalancebalancebalancebalancebalancebalancebalance
ElementComposition, %
Grade 31Grade 32Grade 33Grade 34Grade 35Grade 36Grade 37Grade 38
Nitrogen, max0.050.030.030.050.050.030.030.03
Carbon, max0.080.080.080.080.080.040.080.08
Hydrogen,B,C max0.0150.0150.0150.0150.0150.00350.0150.015
Iron, max0.300.250.300.300.20-0.800.030.301.2-1.8
Oxygen, max0.350.110.250.350.250.160.250.20-0.30
Aluminum…4.5-5.5……4.0 5.0…1.0–2.03.5–4.5
Vanadium…0.6-1.4……1.1-2.1……2.0-3.0
Tin…0.6-1.4………………
Ruthenium……0.02-0.040.02-0.04…………
Palladium0.04-0.08…0.01-0.020.01-0.02…………
Cobalt0.20-0.80…………………
Molybdenum…0.6-1.2……1.5-2.5………
Chromium……0.1-0.20.1 0.2…………
Nickel……0.35-0.550.35-0.55…………
Niobium……………42.0-47.0……
Zirconium…0.6-1.4………………
Silicon…0.06-0.14……0.20-0.40………
Residuals,D,E,F max each0.10.10.10.10.10.10.10.1
Residuals,D,E,Fmax total0.40.40.40.40.40.40.40.4
Titanium GbalancebalanceRemainderRemainderRemainderRemainderRemainderbalance

Note :

A. Analysis shall be completed for all elements listed in this table for each grade. The analysis results for the elements not quantified in the table need not be reported
unless the concentration level is greater than 0.1 % each or 0.4 % total.
B. Lower hydrogen may be obtained by negotiation with the manufacturer.
C. Final product analysis.
D. Need not be reported.
E. A residual is an element present in a metal or an alloy in small quantities and is inherent to the manufacturing process but not added intentionally. In titanium these
elements include aluminum, vanadium, tin, chromium, molybdenum, niobium, zirconium, hafnium, bismuth, ruthenium, palladium, yttrium, copper, silicon, cobalt, tantalum,
nickel, boron, manganese, and tungsten.
F. The purchaser may, in his written purchase order, request analysis for specific residual elements not listed in this specification.
G. The percentage of titanium is determined by difference.

Mechanical Properties for Round Bars and Rods

GradeTensile Strength, minYield Strength (0.2 % Offset) min or rangeElongation in 4D, min, %Reduction of Area, min %
ksiMPaksiMPa
135240201382430
250345402752030
2HB,C58400402752030
365†450†553801830
480†550†704831525
51308951208281025
61208281157951025
750345402752030
7HB,C58400402752030
990620704831525
9D90620704831225
1135240201382430
1270483503451825
1340275251702430
1460410402752030
1570483553801825
1650345402752030
16HB,C58400402752030
1735240201382430
1890620704831525
18D90620704831220
19E1157931107591525
19F135930130 to 159897 to 10961020
19G1651138160 to 1851104 to 1276520
20E1157931107591525
20F135930130 to 159897 to 10961020
20G1651138160 to 1851104 to 1276520
21E1157931107591535
21F140966130 to 159897 to 10961030
21G1701172160 to 1851104 to 1276820
231208281107591015
23°1208281107597.5H, 6.0l25
241308951208281025
251308951208281025
2650345402752030
26HB,C58400402752030
2735240201382430
2890620704831525
28°90620704831220
291208281107591025
29°1208281107597.5H, 6.0l15
3050345402752030
3165450553801830
32100689855861025
3350345402752030
3465450553801830
35130895120828520
366545060 to 95410 to 65510…
3750345312152030
381308951157941025

Note :

A. These properties apply to longitudinal sections up to 3 in. (76 mm) in thickness with a maximum of 10 in.2 (64.5 cm2). Mechanical properties of larger sections shall be negotiated between the manufacturer and purchaser.

B. Material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed minimum UTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grade 2H, 7H, 16H, and 26H are intended primarily for pressure vessel use.

C. The H grades were added in response to a user association request based on its study of over 5200 commercial Grade 2, 7, 16, and 26 test reports, where over 99 %
met the 58 ksi minimum UTS.

D. Properties for material in transformed-beta condition.
E.Properties for solution treated condition.
F. Properties for solution treated and aged condition–Moderate strength (determined by aging temperature).
G. Properties for solution treated and aged condition–High strength (determined by aging temperature).
H. For product section or wall thickness values < 1.0 in.
I. For product section or wall thickness values $1.0 in.
†. Tensile strength for Grade 3 and Grade 4 was corrected editorially.