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Grade 5 – Titanium 6Al-4V bar-Gr.5 titanium rods

As an alloyed Grade of Titanium, it is strengthened by the inclusion of roughly 6% Aluminum and 4% Vanadium. It is known as an alpha-beta Titanium alloy, containing both alpha and beta phases at room temperature. 6AL-4V typically comes in the Annealed condition, but it can be strengthened by heat treatment, such as Solution Treating and Aging. 6AL-4V offers good weldability.
6AL-4V / Grade 5 titanium is the most commonly used alloy in many different industries.
The most common market for 6AL-4V is aerospace. Lightweight grade 5 titanium is well suited for applications such as compressor blades, discs, and rings for jet engines; airframe components; pressure vessels; rocket engine cases; helicopter rotor hubs and critical forgings requiring high strength-to-weight ratios.
6Al-4V/Grade 5 titanium is much stronger than commercially pure titanium, but still has the same stiffness and most of the same thermal properties (it is much lower in 6AL-4V/Grade 5 than other alloys).

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Grade 5 – Titanium 6Al-4V


Introduction
6AL-4V / Grade 5 titanium is the most commonly used alloy in many different industries.
The most common market for 6AL-4V is aerospace.  Lightweight grade 5 titanium is well suited for applications such as compressor blades, discs, and rings for jet engines; airframe components; pressure vessels; rocket engine cases; helicopter rotor hubs and critical forgings requiring high strength-to-weight ratios.
6Al-4V/Grade 5 titanium is much stronger than commercially pure titanium, but still has the same stiffness and most of the same thermal properties (it is much lower in 6AL-4V/Grade 5 than other alloys).

Industry Applications of Gr5 titanium

Aerospace

Base plates

Fasteners

Chemical processing

Medical implants


Chemical Properties of 6AL-4V Grade 5 Titanium

Chemical Properties of 6AL-4V Grade 5 Titanium

ElementPercent By Weight
TiTitanium90%
AlAluminum6% 
VVanadium4%
CCarbon< 0.10%
OOxygen< 0.20%
NNitrogen< 0.05%
HHydrogen< 0.0125%
FeIron< 0.3%

Standard Specifications

Ti-6Al-4V titanium plate, sheet and coil:

AMS 4911

UNS R56400

ASTM F1472 (for surgical implant applications)

ASTM B265 GR 5

MIL-T-9046 AB-1

ABS5125A AIMS03-18-001 (Plate)

ABS5125B AIMS03-18-006 (Plate)

ABS5125C AIMS03-18-007 (Plate)

SAE AMS 4911

Ti-6Al-4V round bar:

AMS 4928

AMS 4967

AMS 4965 (in 4” diameter and smaller)

AMS 6931 (for parts requiring good weldability and ductility)

ASTM B348 GR5


Physical Properties of grade 5 titanium

Non-magnetic. A two-phase alloy, containing both alpha and beta phase crystalline structures. This high strength grade can be used at cryogenic temperatures to about 800˚F (427˚C).Ti-6al-4v bar to AMS 4928 requires 120,000 psi minimum yield strength at room temperature. This grade of titanium can be used in the annealed condition or in the solution treated and aged condition. Ti 6al-4v Grade 5 Titanium bar bar stock has outstanding corrosion resistance to most media including nitric acid in all concentrations to boiling point; seawater; and to alkalis in all concentrations to boiling point. Stress corrosion cracking may occur if chlorine salts are present on stressed parts subsequently subjected to high temperatures. Ti 6al-4v Grade 5 Titanium has acceptable oxidation resistance up to 1000°F (538˚C).  Density: 0.163 lbs/in3, 4.43 g/cm3


Mechanical Properties of Ti-6Al-4V

Hardness of stock is typically 300 BHN. The strength and hardness of the mill-annealed product may be increased by approximately 20% after an aging heat treatment.

After aging at 975-1025˚F (524-552˚C), Ti 6al-4v Grade 5 Titanium bar typical yield strength is 150,000 psi and typical hardness is 360 BHN.

Machinability Rating: 22% of B-1112

Typical stock removal rate: 30 surface feet/minute


As an alloyed Grade of Titanium, it is strengthened by the inclusion of roughly 6% Aluminum and 4% Vanadium. It is known as an alpha-beta Titanium alloy, containing both alpha and beta phases at room temperature. 6AL-4V typically comes in the Annealed condition, but it can be strengthened by heat treatment, such as Solution Treating and Aging. 6AL-4V offers good weldability.


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