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ACI-ASTM CC50 Steel vs. Titanium 4-4-2

ACI-ASTM CC50 steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CC50 steel and the bottom bar is titanium 4-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
42
Tensile Strength: Ultimate (UTS), MPa 430
1150 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
310
Melting Completion (Liquidus), °C 1420
1610
Melting Onset (Solidus), °C 1370
1560
Specific Heat Capacity, J/kg-K 490
540
Thermal Conductivity, W/m-K 17
6.7
Thermal Expansion, µm/m-K 11
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
39
Density, g/cm3 7.6
4.7
Embodied Carbon, kg CO2/kg material 2.7
30
Embodied Energy, MJ/kg 39
480
Embodied Water, L/kg 170
180

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
34
Strength to Weight: Axial, points 16
68 to 74
Strength to Weight: Bending, points 17
52 to 55
Thermal Diffusivity, mm2/s 4.5
2.6
Thermal Shock Resistance, points 14
86 to 93

Alloy Composition

Aluminum (Al), % 0
3.0 to 5.0
Carbon (C), % 0 to 0.5
0 to 0.080
Chromium (Cr), % 26 to 30
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.9 to 74
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 4.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0.3 to 0.7
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
85.8 to 92.2
Residuals, % 0
0 to 0.4