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EN 1.7709 Steel vs. R58150 Titanium

EN 1.7709 steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
52
Tensile Strength: Ultimate (UTS), MPa 650 to 780
770

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 440
320
Melting Completion (Liquidus), °C 1470
1760
Melting Onset (Solidus), °C 1420
1700
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 11
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
48
Density, g/cm3 7.8
5.4
Embodied Carbon, kg CO2/kg material 2.3
31
Embodied Energy, MJ/kg 32
480
Embodied Water, L/kg 56
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 23 to 27
40
Strength to Weight: Bending, points 21 to 24
35
Thermal Shock Resistance, points 22 to 26
48

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Carbon (C), % 0.17 to 0.25
0 to 0.1
Chromium (Cr), % 1.2 to 1.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 95.2 to 97.5
0 to 0.1
Manganese (Mn), % 0.4 to 0.8
0
Molybdenum (Mo), % 0.55 to 0.8
14 to 16
Nickel (Ni), % 0 to 0.6
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86
Vanadium (V), % 0.2 to 0.35
0