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ACI-ASTM CB30 Steel vs. Grade 11 Titanium

ACI-ASTM CB30 steel belongs to the iron alloys classification, while grade 11 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is grade 11 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
120
Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
38
Tensile Strength: Ultimate (UTS), MPa 500
310
Tensile Strength: Yield (Proof), MPa 230
230

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 940
320
Melting Completion (Liquidus), °C 1430
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 21
22
Thermal Expansion, µm/m-K 11
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.3
47
Embodied Energy, MJ/kg 33
800
Embodied Water, L/kg 130
470

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 5.6
8.9
Thermal Shock Resistance, points 17
22

Alloy Composition


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Carbon (C), % 0 to 0.3
0 to 0.080
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0 to 1.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 72.9 to 82
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 2.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
98.8 to 99.88
Residuals, % 0
0 to 0.4