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EN 1.7006 Steel vs. Titanium 4-4-2

EN 1.7006 steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7006 steel and the bottom bar is titanium 4-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 530 to 1890
1150 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 410
310
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 46
6.7
Thermal Expansion, µm/m-K 13
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
39
Density, g/cm3 7.8
4.7
Embodied Carbon, kg CO2/kg material 1.4
30
Embodied Energy, MJ/kg 19
480
Embodied Water, L/kg 48
180

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
34
Strength to Weight: Axial, points 19 to 67
68 to 74
Strength to Weight: Bending, points 19 to 43
52 to 55
Thermal Diffusivity, mm2/s 12
2.6
Thermal Shock Resistance, points 16 to 56
86 to 93

Alloy Composition

Aluminum (Al), % 0
3.0 to 5.0
Carbon (C), % 0.42 to 0.5
0 to 0.080
Chromium (Cr), % 0.4 to 0.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.6 to 98.7
0 to 0.2
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0
3.0 to 5.0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0.3 to 0.7
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
85.8 to 92.2
Residuals, % 0
0 to 0.4