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ACI-ASTM CE3MN Steel vs. Grade 6 Titanium

ACI-ASTM CE3MN steel belongs to the iron alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 29 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 ACI-ASTM CE3MN steel and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 20
11
Fatigue Strength, MPa 380
290
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 81
39
Tensile Strength: Ultimate (UTS), MPa 770
890
Tensile Strength: Yield (Proof), MPa 590
840

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
310
Melting Completion (Liquidus), °C 1450
1580
Melting Onset (Solidus), °C 1410
1530
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 15
7.8
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
36
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 4.2
30
Embodied Energy, MJ/kg 58
480
Embodied Water, L/kg 180
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
92
Resilience: Unit (Modulus of Resilience), kJ/m3 840
3390
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 27
55
Strength to Weight: Bending, points 24
46
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 21
65

Alloy Composition

Aluminum (Al), % 0
4.0 to 6.0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 58.1 to 65.9
0 to 0.5
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.1 to 0.3
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Residuals, % 0
0 to 0.4