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ACI-ASTM CF10SMnN Steel vs. Grade 26 Titanium

ACI-ASTM CF10SMnN steel belongs to the iron alloys classification, while grade 26 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF10SMnN steel and the bottom bar is grade 26 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 34
23
Fatigue Strength, MPa 260
250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 660
390
Tensile Strength: Yield (Proof), MPa 330
350

Thermal Properties

Latent Heat of Fusion, J/g 340
420
Maximum Temperature: Mechanical, °C 900
320
Melting Completion (Liquidus), °C 1360
1660
Melting Onset (Solidus), °C 1310
1610
Specific Heat Capacity, J/kg-K 500
540
Thermal Expansion, µm/m-K 16
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
37
Density, g/cm3 7.5
4.5
Embodied Carbon, kg CO2/kg material 3.1
33
Embodied Energy, MJ/kg 45
530
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
85
Resilience: Unit (Modulus of Resilience), kJ/m3 280
580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
35
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 15
28

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 59.1 to 65.4
0 to 0.3
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.060
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 99.92
Residuals, % 0
0 to 0.4