Titanium Grade 5

Titanium Grade 5, often referred to as Ti-6Al-4V, is the most widely used titanium alloy because of its rare combination of light weight, strength, and resistance to corrosion. The chemistry is centered on titanium with about six percent aluminum and four percent vanadium, while trace amounts of iron, carbon, oxygen, and nitrogen are tightly controlled. This mixture produces an alloy that can achieve tensile strengths between 130 and 174 ksi while having a density of only 4.43 g/cm³, or almost half the weight of steel. Additionally impressive is the yield strength, which typically ranges from 120 to 160 ksi, and the hardness, which averages around 36 HRC. Titanium Grade 5 has a melting range of approximately 1600 to 1660°C, making it suitable for demanding service conditions and high performance.

Parag Metals is a trusted Titanium Grade 5 supplier, offering the alloy in bar, sheet, plate, wire, and titanium tube Grade 5 for various industries. We make this alloy available in multiple forms so that customers can choose exactly what suits their projects. Its strength-to-weight ratio is unmatched, making it a go-to choice for aerospace frames, engine parts, and motorsport applications. While the marine industry depends on its resistance to seawater, the medical field uses its biocompatibility for surgical implants. When compared with commercially pure titanium Grade 2, Grade 5 delivers far greater strength while still retaining the corrosion resistance that makes titanium alloys so valued.

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Alongside its mechanical performance, the alloy’s physical properties are well understood and reliable. Titanium Grade 5 density of 4.43 g/cm³ makes it easy to design lighter structures without sacrificing durability. Its protective oxide film shields it against chloride attack and chemical corrosion, which is why it performs equally well in marine hardware and chemical processing plants. It also remains tough under cryogenic temperatures and continues to function at service levels near 350°C. Prolonged exposure to even higher temperatures can reduce hardness, but within its recommended range, the alloy has long proven its durability.

Another important characteristic of Titanium Grade 5 is that it doesn’t attract magnets. This quality keeps medical devices, electronic equipment, and other sensitive systems from interfering with each other. The alloy is one of the most reliable choices for important engineering parts because it is resistant to fatigue, stable under stress, and has a long service life.

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Titanium Grade 5 Specification

The alloy is identified by UNS R56400 and is covered by well-known ASTM and AMS specifications, including ASTM B265 for sheets and plates and ASTM B348 for bars. It is widely available in forged, rolled, and drawn forms. Manufacturers often consider titanium Grade 5 vs Grade 2 when deciding between higher strength and easier formability, but for demanding service, Grade 5 remains the preferred choice.

Grades	ASTM B265 Gr5 Sheet/plate / ASTM B348 Gr5 bar / ASTM B367 Gr5 castings / ASTM B381 Gr5 forgings / ASTM F136 Gr5 Implant Grade(ground) / ASTM F467 Gr5 nuts / ASTM F468 Gr5 bolts

Titanium Grade 5 Chemical Composition

Aluminum and vanadium are added to titanium Grade 5 to increase its strength and phase stability. Vanadium fortifies the beta phase, whereas aluminum encourages the alpha phase. Small amounts of iron, carbon, oxygen, and nitrogen are carefully restricted so that toughness and corrosion resistance are not compromised.

Element	Content (%)
Titanium, Ti	87.6 – 91
Aluminum, Al	5.5 – 6.75
Vanadium, V	3.5 – 4.5
Iron, Fe	≤ 0.40
Oxygen, O	≤ 0.20
Carbon, C	≤ 0.080
Nitrogen, N	≤ 0.050
Hydrogen, H	≤ 0.015

Titanium Grade 5 Mechanical Properties

In the annealed condition, the alloy is easier to form and has good ductility. When solution treated and aged, it develops much higher strength, reaching tensile values near 170 ksi with yield strength close to 160 ksi. Hardness can be further raised by additional processing, but it normally measures around 36 HRC. Moderate machinability necessitates cooling to prevent work hardening, steady feeds, and sharp tools. Standard titanium welding and fabrication procedures are followed, along with inert gas shielding to preserve strong, clean joints.

Properties	Metric	Imperial
Tensile strength	≥ 895 MPa	≥ 130000 psi
Yield strength	≥ 828 MPa	≥ 120000 psi
Poisson’s ratio	0.31	0.31
Elastic modulus	105-120 GPa	15200-17400 ksi
Shear modulus	41-45 GPa	5950-6530 ksi
Elongation at break	≥ 10 %	≥ 10 %

Titanium Grade 5 Physical Properties

The alloy’s density of 4.43 g/cm³, moderate thermal conductivity, and low coefficient of expansion ensure stable performance in thermal cycling. It melts around 1660°C and retains useful strength across both cryogenic and elevated temperature ranges. Because it is non-magnetic, corrosion-resistant, and strong at relatively low weight, Ti6Al4V is consistently chosen for aerospace structures, marine hardware, surgical implants, and high-end industrial components.