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ACI-ASTM CB6 Steel vs. R58150 Titanium

ACI-ASTM CB6 steel belongs to the iron alloys classification, while R58150 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 CB6 steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 18
13
Fatigue Strength, MPa 410
330
Poisson's Ratio 0.28
0.32
Reduction in Area, % 40
68
Shear Modulus, GPa 77
52
Tensile Strength: Ultimate (UTS), MPa 880
770
Tensile Strength: Yield (Proof), MPa 660
550

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 870
320
Melting Completion (Liquidus), °C 1440
1760
Melting Onset (Solidus), °C 1390
1700
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 10
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
48
Density, g/cm3 7.8
5.4
Embodied Carbon, kg CO2/kg material 2.5
31
Embodied Energy, MJ/kg 36
480
Embodied Water, L/kg 130
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
94
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 32
40
Strength to Weight: Bending, points 26
35
Thermal Shock Resistance, points 31
48

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 15.5 to 17.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 74.4 to 81
0 to 0.1
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
14 to 16
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86