ASTM B348 / B348M Grade 23

Chemical Properties

Elements Composition %
Nitrogen, max 0.03
Carbon, max 0.08
Hydrogen,B,C max 0.0125
Iron, max 0.25
Oxygen, max 0.13
Aluminum 5.5 - 6.5
Vanadium 3.5 - 4.5
Residuals,D,E,F max each 0.1
Residuals,D,E,F max total 0.4
TitaniumG balance
Note B: Lower hydrogen may be obtained by negotiation with the manufacturer.
Note C: Final product analysis.
Note D: Need not be reported.
Note 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.
Note F: The purchaser may, in his written purchase order, request analysis for specific residual elements not listed in this specification.

Mechanical Properties

Grade Tensile Stength, min Yield Stength (0.2 % Offset) min or range Elongation in 4D,
min, %
Reduction of Area
min, %
ksi Mpa ksi Mpa
23 120 828 110 759 10 15
23D 7.5H,6.0I 25
Note D: Properties for material in transformed-beta condition.
Note H: For product section or wall thickness values < 1.0 in.
Note I: For product section or wall thickness values $1.0 in.