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Titanium 6-2-4-2 vs. ASTM Grade HC Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while ASTM grade HC steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
6.0
Fatigue Strength, MPa 490
96
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 950
430
Tensile Strength: Yield (Proof), MPa 880
200

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1590
1410
Melting Onset (Solidus), °C 1540
1370
Specific Heat Capacity, J/kg-K 540
490
Thermal Conductivity, W/m-K 6.9
17
Thermal Expansion, µm/m-K 9.5
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 42
14
Density, g/cm3 4.6
7.6
Embodied Carbon, kg CO2/kg material 32
2.8
Embodied Energy, MJ/kg 520
40
Embodied Water, L/kg 210
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
21
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
95
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
26
Strength to Weight: Axial, points 57
16
Strength to Weight: Bending, points 46
16
Thermal Diffusivity, mm2/s 2.8
4.5
Thermal Shock Resistance, points 67
14

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.5
Chromium (Cr), % 0
26 to 30
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
61.9 to 74
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.2
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.12
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0