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ACI-ASTM CH10 Steel vs. Grade 26 Titanium

ACI-ASTM CH10 steel belongs to the iron alloys classification, while grade 26 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH10 steel and the bottom bar is grade 26 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
23
Fatigue Strength, MPa 180
250
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 540
390
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 310
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1410
1660
Melting Onset (Solidus), °C 1370
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 3.7
33
Embodied Energy, MJ/kg 53
530
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
85
Resilience: Unit (Modulus of Resilience), kJ/m3 140
580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 3.9
8.6
Thermal Shock Resistance, points 12
28

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 22 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 54.8 to 66
0 to 0.3
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
98.8 to 99.92
Residuals, % 0
0 to 0.4