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ACI-ASTM CK3MCuN Steel vs. R58150 Titanium

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK3MCuN 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, % 39
13
Fatigue Strength, MPa 250
330
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
52
Tensile Strength: Ultimate (UTS), MPa 620
770
Tensile Strength: Yield (Proof), MPa 290
550

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1090
320
Melting Completion (Liquidus), °C 1460
1760
Melting Onset (Solidus), °C 1350
1700
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 16
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
48
Density, g/cm3 8.0
5.4
Embodied Carbon, kg CO2/kg material 5.6
31
Embodied Energy, MJ/kg 76
480
Embodied Water, L/kg 190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
94
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
35
Thermal Shock Resistance, points 14
48

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.1
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 49.5 to 56.3
0 to 0.1
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 6.0 to 7.0
14 to 16
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
83.5 to 86