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EN 1.7710 Steel vs. Grade 1 Titanium

EN 1.7710 steel belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium alloys. There are 30 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 EN 1.7710 steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 6.8 to 11
28
Fatigue Strength, MPa 500 to 620
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
310
Tensile Strength: Yield (Proof), MPa 800 to 1060
220

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Maximum Temperature: Mechanical, °C 440
320
Melting Completion (Liquidus), °C 1470
1660
Melting Onset (Solidus), °C 1430
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 41
20
Thermal Expansion, µm/m-K 13
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.2
31
Embodied Energy, MJ/kg 30
510
Embodied Water, L/kg 57
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
79
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 33 to 38
19
Strength to Weight: Bending, points 27 to 30
23
Thermal Diffusivity, mm2/s 11
8.2
Thermal Shock Resistance, points 27 to 31
24

Alloy Composition

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 0.2
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.8 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.095 to 100
Vanadium (V), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.4