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EN 1.1191 Steel vs. Grade C-6 Titanium

EN 1.1191 steel belongs to the iron alloys classification, while grade C-6 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 C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
290
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 16 to 17
9.0
Fatigue Strength, MPa 210 to 290
460
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
39
Tensile Strength: Ultimate (UTS), MPa 630 to 700
890
Tensile Strength: Yield (Proof), MPa 310 to 440
830

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
310
Melting Completion (Liquidus), °C 1460
1580
Melting Onset (Solidus), °C 1420
1530
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 48
7.8
Thermal Expansion, µm/m-K 12
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
30
Embodied Energy, MJ/kg 19
480
Embodied Water, L/kg 47
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
78
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
3300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 22 to 25
55
Strength to Weight: Bending, points 21 to 22
46
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 20 to 22
63

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0.42 to 0.5
0 to 0.1
Chromium (Cr), % 0 to 0.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97.3 to 99.08
0 to 0.5
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Residuals, % 0
0 to 0.4