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ACI-ASTM CB7Cu-1 Steel vs. Grade 1 Titanium

ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while grade 1 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 CB7Cu-1 steel and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 11
28
Fatigue Strength, MPa 420 to 590
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
39
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
310
Tensile Strength: Yield (Proof), MPa 760 to 1180
220

Thermal Properties

Latent Heat of Fusion, J/g 280
420
Melting Completion (Liquidus), °C 1430
1660
Melting Onset (Solidus), °C 1500
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 17
20
Thermal Expansion, µm/m-K 11
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.6
31
Embodied Energy, MJ/kg 38
510
Embodied Water, L/kg 130
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
79
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 34 to 48
19
Strength to Weight: Bending, points 28 to 35
23
Thermal Diffusivity, mm2/s 4.6
8.2
Thermal Shock Resistance, points 32 to 45
24

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 15.5 to 17.7
0
Copper (Cu), % 2.5 to 3.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 72.3 to 78.4
0 to 0.2
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 3.6 to 4.6
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.095 to 100
Residuals, % 0
0 to 0.4