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

Titanium 6-2-4-2 belongs to the titanium alloys classification, while ASTM grade HP 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 titanium 6-2-4-2 and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
5.1
Fatigue Strength, MPa 490
130
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 950
490
Tensile Strength: Yield (Proof), MPa 880
260

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1590
1370
Melting Onset (Solidus), °C 1540
1330
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 6.9
12
Thermal Expansion, µm/m-K 9.5
16

Otherwise Unclassified Properties

Base Metal Price, % relative 42
34
Density, g/cm3 4.6
7.9
Embodied Carbon, kg CO2/kg material 32
5.8
Embodied Energy, MJ/kg 520
82
Embodied Water, L/kg 210
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
21
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 57
17
Strength to Weight: Bending, points 46
17
Thermal Diffusivity, mm2/s 2.8
3.2
Thermal Shock Resistance, points 67
11

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0.35 to 0.75
Chromium (Cr), % 0
24 to 28
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
29.2 to 42.7
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.2
0 to 0.5
Nickel (Ni), % 0
33 to 37
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 2.5
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