COMMERCIALLY PURE (CP) TITANIUM - GRADE 2 • UNS R56400 • WNR 3.7124

Titanium Grade 2, also known as Ti-CP (Commercially Pure Titanium Grade 2), is an unalloyed titanium grade that is widely recognized for its excellent corrosion resistance, formability, and moderate strength.

It is part of the commercially pure titanium grades, which are classified based on their composition and mechanical properties. Titanium Grade 2 is the most used among the commercially pure grades due to its versatile properties and wide range of applications.

Titanium is a lightweight material with a density about half that of steel, which makes Titanium Grade 2 an attractive choice for applications where weight reduction is important.

Titanium Grade 2 has excellent biocompatibility, making it suitable for medical applications like implants and surgical instruments.

Available Tube Product form

Typical Applications

Industries predominantly using this Grade

Typical Manufacturing Specifications

  • AMS 4902
  • ASTM B338
  • Also individual customer specifications.

Technical Data

Mechanical Properties (Room Temperature)


Property Annealed Temper
0.2% Yield (Rp = 0.2) 40 ksi (275 MPa) minimum
Tensile (Rm) 50 ksi (345 MPa) minimum
Elongation (2”gl) 20% minimum
Hardness 200 HV maximum

Physical Properties (Room Temperature)


Specific Heat (0-100°C) 523 J/kg/°K
Thermal Conductivity 16.4 W/m/°K
Thermal Expansion 8.6 μm/m/°C
Modulus Elasticity 105 GPa
Electrical Resistivity 12.6 Ohm-cm
Density 4.51 g/cm3

Chemical Composition (% by weight)


Element Min Max
C - 0.08
O - 0.25
N - 0.03
H - 0.015
Fe - 0.30
Ti Balance