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Grade 1 Titanium vs. ACI-ASTM CC50 Steel

Grade 1 titanium belongs to the titanium alloys classification, while ACI-ASTM CC50 steel belongs to the iron alloys. There are 25 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 1 titanium and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
210
Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 39
80
Tensile Strength: Ultimate (UTS), MPa 310
430

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1370
Specific Heat Capacity, J/kg-K 540
490
Thermal Conductivity, W/m-K 20
17
Thermal Expansion, µm/m-K 8.8
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
14
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 31
2.7
Embodied Energy, MJ/kg 510
39
Embodied Water, L/kg 110
170

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 8.2
4.5
Thermal Shock Resistance, points 24
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.5
Chromium (Cr), % 0
26 to 30
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
62.9 to 74
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 4.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0