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EN 1.1191 Steel vs. Grade 35 Titanium

EN 1.1191 steel belongs to the iron alloys classification, while grade 35 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 16 to 17
5.6
Fatigue Strength, MPa 210 to 290
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
41
Shear Strength, MPa 380 to 430
580
Tensile Strength: Ultimate (UTS), MPa 630 to 700
1000
Tensile Strength: Yield (Proof), MPa 310 to 440
630

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 400
320
Melting Completion (Liquidus), °C 1460
1630
Melting Onset (Solidus), °C 1420
1580
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 48
7.4
Thermal Expansion, µm/m-K 12
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
37
Density, g/cm3 7.8
4.6
Embodied Carbon, kg CO2/kg material 1.4
33
Embodied Energy, MJ/kg 19
530
Embodied Water, L/kg 47
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
49
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
1830
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22 to 25
61
Strength to Weight: Bending, points 21 to 22
49
Thermal Diffusivity, mm2/s 13
3.0
Thermal Shock Resistance, points 20 to 22
70

Alloy Composition

Aluminum (Al), % 0
4.0 to 5.0
Carbon (C), % 0.42 to 0.5
0 to 0.080
Chromium (Cr), % 0 to 0.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.3 to 99.08
0.2 to 0.8
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0 to 0.1
1.5 to 2.5
Nickel (Ni), % 0 to 0.4
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
0.2 to 0.4
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Residuals, % 0
0 to 0.4