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Grade 1 Titanium vs. ACI-ASTM CF10SMnN Steel

Grade 1 titanium belongs to the titanium alloys classification, while ACI-ASTM CF10SMnN steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 28
34
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
75
Tensile Strength: Ultimate (UTS), MPa 310
660
Tensile Strength: Yield (Proof), MPa 220
330

Thermal Properties

Latent Heat of Fusion, J/g 420
340
Maximum Temperature: Mechanical, °C 320
900
Melting Completion (Liquidus), °C 1660
1360
Melting Onset (Solidus), °C 1610
1310
Specific Heat Capacity, J/kg-K 540
500
Thermal Expansion, µm/m-K 8.8
16

Otherwise Unclassified Properties

Base Metal Price, % relative 37
15
Density, g/cm3 4.5
7.5
Embodied Carbon, kg CO2/kg material 31
3.1
Embodied Energy, MJ/kg 510
45
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
180
Resilience: Unit (Modulus of Resilience), kJ/m3 230
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 24
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
59.1 to 65.4
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0 to 0.030
0.080 to 0.18
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0