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R56401 Titanium vs. SAE-AISI A6 Steel

R56401 titanium belongs to the titanium alloys classification, while SAE-AISI A6 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 R56401 titanium and the bottom bar is SAE-AISI A6 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
73
Tensile Strength: Ultimate (UTS), MPa 940
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
41
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.7
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 38
1.8
Embodied Energy, MJ/kg 610
24
Embodied Water, L/kg 200
57

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 59
27 to 71
Strength to Weight: Bending, points 48
23 to 45
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 67
25 to 65

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.65 to 0.75
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
93 to 95.8
Manganese (Mn), % 0
1.8 to 2.5
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0