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Grade 19 Titanium vs. ACI-ASTM CK35MN Steel

Grade 19 titanium belongs to the titanium alloys classification, while ACI-ASTM CK35MN steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 19 titanium and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 5.6 to 17
40
Fatigue Strength, MPa 550 to 620
270
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 47
81
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
650
Tensile Strength: Yield (Proof), MPa 870 to 1170
310

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 370
1100
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1600
1410
Specific Heat Capacity, J/kg-K 520
470
Thermal Conductivity, W/m-K 6.2
12
Thermal Expansion, µm/m-K 9.1
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
31
Density, g/cm3 5.0
8.0
Embodied Carbon, kg CO2/kg material 47
5.9
Embodied Energy, MJ/kg 760
81
Embodied Water, L/kg 230
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
25
Strength to Weight: Axial, points 49 to 72
22
Strength to Weight: Bending, points 41 to 53
21
Thermal Diffusivity, mm2/s 2.4
3.3
Thermal Shock Resistance, points 57 to 83
14

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.035
Chromium (Cr), % 5.5 to 6.5
22 to 24
Copper (Cu), % 0
0 to 0.4
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
43.4 to 51.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.5
6.0 to 6.8
Nickel (Ni), % 0
20 to 22
Nitrogen (N), % 0 to 0.030
0.21 to 0.32
Oxygen (O), % 0 to 0.12
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 71.1 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0