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Grade C-2 Titanium vs. SAE-AISI P4 Steel

Grade C-2 titanium belongs to the titanium alloys classification, while SAE-AISI P4 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade C-2 titanium and the bottom bar is SAE-AISI P4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 390
390 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
41
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.4
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.8
Embodied Energy, MJ/kg 510
23
Embodied Water, L/kg 110
68

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
14 to 70
Strength to Weight: Bending, points 26
15 to 45
Thermal Diffusivity, mm2/s 8.8
11
Thermal Shock Resistance, points 30
13 to 64

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 0
4.0 to 5.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
92.3 to 95.3
Manganese (Mn), % 0
0.2 to 0.6
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.1 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.8 to 100
0
Residuals, % 0 to 0.4
0