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EN 1.7710 Steel vs. Grade 24 Titanium

EN 1.7710 steel belongs to the iron alloys classification, while grade 24 titanium belongs to the titanium alloys. There are 28 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 EN 1.7710 steel and the bottom bar is grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 6.8 to 11
11
Fatigue Strength, MPa 500 to 620
550
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
1010
Tensile Strength: Yield (Proof), MPa 800 to 1060
940

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 440
340
Melting Completion (Liquidus), °C 1470
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 41
7.1
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.2
43
Embodied Energy, MJ/kg 30
710
Embodied Water, L/kg 57
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
4160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 33 to 38
63
Strength to Weight: Bending, points 27 to 30
50
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 27 to 31
72

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.12 to 0.18
0 to 0.080
Chromium (Cr), % 1.3 to 1.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 95.1 to 97
0 to 0.4
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.8 to 1.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
87.5 to 91
Vanadium (V), % 0.15 to 0.25
3.5 to 4.5
Residuals, % 0
0 to 0.4