About Titanium Products

Applications: Titanium and titanium alloys can be used in aerospace, military, medical, jewelry, telecommunications, and other industries.

Kroll process

Standards for titanium products

ASTM B-265    Titanium and titanium alloy strip, sheet, and plate

ASTM B-348    Titanium and titanium  bar and billet

ASTM B-337    Seamless and welded titanium and titanium alloy pipe

ASTM B-338    Seamless and welded titanium and titanium alloy tubes for condensers and heat exchangers

ASTM B-367    Titanium and titanium alloy casting

ASTM B-363    Seamless and welded unalloyed titanium fittings

ASTM B-381    Titanium and titanium alloy forgings

ASTM F-67       Unalloyed titanium for surgical implants

ASTM F-136    Titanium 6Al-4V ELI alloy for surgical implant applications

AMS & MIL     Standard for aerospace and military products

Titanium materials’ grades

» Titanium materials of grade 1-4 are unalloyed and considered commercially as pure or “C.P.” Generally speaking the tensile and yield strength goes up with the number of these grades.

» Grade 5, also known as Ti6Al4V, Ti-6Al-4V, or Ti 6-4, is the most commonly used alloy because of its special physical and chemical properties. It has a chemical composition of 6% Aluminum, 4% Vanadium, 0.25% (maximum) Iron, 0.2% (maximum) Oxygen, and the rest is Titanium.

» Grade 7 contains 0.12% to 0.25% Palladium. The small amount of Palladium gives it improved crevice corrosion resistance at low temperatures and high pH.

» Grade 9 contains 3.0% Aluminum and 2.5% Vanadium. It is often used in aircraft tubing for hydraulics and in athletic equipment.

» Grade 12 contains 0.3% Molybdenum and 0.8% Nickel.

» Grade 23 contains 6% Aluminum, 4% Vanadium, and 0.13% (maximum) Oxygen.

Chemical components of each grade

Grade	Fe%	C%	N%	H%	O%	Al%	V%	Mo%	Ni%	Pd%	Ti
Gr1	0.2	0.08	0.03	0.015	0.18	—	—	—	—	—	BAL.
Gr2	0.3	0.08	0.03	0.015	0.25	—	—	—	—	—	BAL.
Gr3	0.3	0.08	0.05	0.015	0.35	—	—	—	—	—	BAL.
Gr4	0.3	0.08	0.05	0.015	0.40	—	—	—	—	—	BAL
Gr5	0.25	0.08	0.03	0.015	0.02	5.5 – 6.75	3.5 – 4.5	—	—	—	BAL
Gr7	0.3	0.08	0.03	0.015	0.25	—	—	—	—	0.12 – 0.25	BAL.
Gr9	0.25	0.08	0.03	0.015	0.15	2.5 – 3.3	2.0 – 3.0	—	—	—	BAL.
Gr12	0.3	0.08	0.03	0.015	0.25	—	—	0.2 – 0.4	0.6 – 0.9	—	BAL.
Gr23	0.3	0.08	0.03	0.015	0.13	5.5 – 6.75	—	—	—	—	BAL

Mechanical characteristics of each grade

Grade	Tensile Strength (min)		Yield Strength 0.2% Offset		Elongation in 2 inch or 50mm % (min)
	KSI	Mpa	KSI	Mpa
Gr.1	35	240	20 – 45	138 – 310	24
Gr.2	50	345	40 – 65	275 – 450	20
Gr.3	65	450	55 – 80	380 – 550	18
Gr.4	80	550	≥70	≥483	15
Gr.5	138	950	≥128	≥880	14
Gr.7	50	345	≥40	≥275	24
Gr.9	125	860	≥105	≥725	10
Gr.12	70	483	≥50	≥345	18
Gr.23	125	860	≥115	≥790	15