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ACI-ASTM CB30 Steel vs. Grade Ti-Pd18 Titanium

ACI-ASTM CB30 steel belongs to the iron alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
320
Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 500
710
Tensile Strength: Yield (Proof), MPa 230
540

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 940
330
Melting Completion (Liquidus), °C 1430
1640
Melting Onset (Solidus), °C 1380
1590
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 21
8.2
Thermal Expansion, µm/m-K 11
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.7

Otherwise Unclassified Properties

Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 2.3
41
Embodied Energy, MJ/kg 33
670
Embodied Water, L/kg 130
270

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 18
44
Strength to Weight: Bending, points 18
39
Thermal Diffusivity, mm2/s 5.6
3.3
Thermal Shock Resistance, points 17
52

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0 to 0.3
0 to 0.1
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 0.25
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 2.0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4