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Grade 19 Titanium vs. ASTM Grade HC Steel

Grade 19 titanium belongs to the titanium alloys classification, while ASTM grade HC steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 5.6 to 17
6.0
Fatigue Strength, MPa 550 to 620
96
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 47
80
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
430
Tensile Strength: Yield (Proof), MPa 870 to 1170
200

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 370
1100
Melting Completion (Liquidus), °C 1660
1410
Melting Onset (Solidus), °C 1600
1370
Specific Heat Capacity, J/kg-K 520
490
Thermal Conductivity, W/m-K 6.2
17
Thermal Expansion, µm/m-K 9.1
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
14
Density, g/cm3 5.0
7.6
Embodied Carbon, kg CO2/kg material 47
2.8
Embodied Energy, MJ/kg 760
40
Embodied Water, L/kg 230
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
21
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
95
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 33
26
Strength to Weight: Axial, points 49 to 72
16
Strength to Weight: Bending, points 41 to 53
16
Thermal Diffusivity, mm2/s 2.4
4.5
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 0.5
Chromium (Cr), % 5.5 to 6.5
26 to 30
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
61.9 to 74
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
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