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Titanium

Excellent strength to weight ratio, used in aerospace, automotive and medical industries.

Titanium in CNC Machining

Titanium is a lightweight metal known for its exceptional strength-to-weight ratio, corrosion resistance, and ability to maintain mechanical performance across a wide range of temperatures. These properties make titanium a preferred material for CNC machining applications where strength, weight reduction, and durability are critical.

Titanium is commonly used in aerospace, medical, automotive, marine, and high-performance industrial applications. Its excellent biocompatibility also makes certain titanium grades suitable for medical implants and surgical components.

Although titanium provides outstanding performance, it can be challenging to machine because of its low thermal conductivity, high strength, and tendency to generate heat at the cutting zone. Proper tooling, cutting parameters, coolant, and tool paths are essential for producing accurate titanium CNC parts.

Available Titanium at Elite Mold Tech:

Price

$$$

Lead Time:

< 10 days

Wall Thickness:

0.75 mm

Tolerances:

±0.125mm (±0.005″)

Max Part Size:

200 x 80 x 100 cm

Available Grades:

Titanium Grade 2, Grade 5 (Ti-6Al-4V), Grade 23 (Ti-6Al-4V ELI)

Titanium Grade 2

Titanium Grade 2 is commercially pure titanium with a good balance of strength, ductility, corrosion resistance, and formability. It is commonly used for chemical processing equipment, heat exchangers, marine components, and applications requiring strong corrosion resistance.

Tensile Strength, Yield (MPa) 275

Fatigue Strength (MPa) 240

Elongation at Break (%) 20

Hardness (Brinell) 160

Density (g/cm³) 4.51

Titanium Grade 5 (Ti-6Al-4V)

Grade 5 titanium, also known as Ti-6Al-4V, is the most widely used titanium alloy. It provides an excellent combination of high strength, low weight, corrosion resistance, and temperature performance, making it a popular choice for aerospace, medical, automotive, and industrial components.

Tensile Strength, Yield (MPa) 880

Fatigue Strength (MPa) 510

Elongation at Break (%) 14

Hardness (Brinell) 334

Density (g/cm³) 4.43

Titanium Grade 23 (Ti-6Al-4V ELI)

Grade 23 titanium, also known as Ti-6Al-4V ELI, is a higher-purity version of Grade 5 titanium with improved ductility, fracture toughness, and resistance to cracking. It is widely used in medical implants, aerospace components, and other applications requiring high reliability.

Tensile Strength, Yield (MPa) 795

Fatigue Strength (MPa) 500

Elongation at Break (%) 15

Hardness (Brinell) 330

Density (g/cm³) 4.43

Surface Finishing Options for Titanium

Titanium CNC machined parts can undergo different surface finishing processes to improve appearance, surface quality, corrosion resistance, wear resistance, and functional performance.

As Machined
Bead Blasting
Sand Blasting
Tumbling
Polishing
Electropolishing
Anodizing
Passivation
Brushed Finish
PVD Coating
Electroless Nickel Plating

Pros and Cons of Titanium CNC Machining

Titanium machining provides an excellent combination of lightweight construction, high strength, corrosion resistance, and biocompatibility. However, its high strength and poor thermal conductivity make it more challenging and costly to machine than many conventional metals.

Exceptional Strength-to-Weight Ratio: Titanium provides high mechanical strength while remaining significantly lighter than many steels.
Excellent Corrosion Resistance: Titanium forms a stable oxide layer that provides strong resistance to many corrosive environments.
Lightweight: Its low density makes titanium useful for applications where reducing component weight is important.
Excellent Biocompatibility: Certain titanium grades are well suited for medical implants and surgical applications.
High Temperature Performance: Titanium alloys can maintain useful strength at elevated temperatures, making them suitable for demanding applications.

Difficult to Machine: Titanium's high strength and low thermal conductivity make CNC machining more demanding.
High Tool Wear: Heat buildup and cutting forces can accelerate tool wear when machining titanium.
Higher Material Cost: Titanium is generally more expensive than aluminum and many steel grades.
Heat Concentration: Titanium does not transfer heat away from the cutting zone efficiently, increasing the importance of coolant and machining parameters.

Description

Application

CNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 3-axis & 5-axis CNC milling available.

Strengths

Excellent mechanical properties,High accuracy & repeatabillity

Weaknesses

Greater geometry restrictions than 3D printing

Properties

Lead Time

< 10 days

Wall Thickness

0.75 mm

Tolerances

±0.125mm (±0.005″)

Max part size

200 x 80 x 100 cm

CNC Machining Metals, Titanium

Titanium Grade 5 | 3.7164 | Ti6Al4V

Property Value Mechanical Properties Ultimate tensile strength 920 – 1000 MPa Yield

CNC Machining Metals, Titanium

Titanium Grade 1 | 3.7025

Property Value Mechanical Properties Ultimate tensile strength 310 – 350 MPa Yield

CNC Machining Metals, Titanium

Titanium Grade 2 | 3.7035

Property Value Mechanical Properties Ultimate tensile strength 420 – 470 MPa Yield

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