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R58150 Titanium vs. ACI-ASTM CN3M Steel

R58150 titanium belongs to the titanium alloys classification, while ACI-ASTM CN3M steel belongs to the iron 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 R58150 titanium and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 13
34
Fatigue Strength, MPa 330
150
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 52
80
Tensile Strength: Ultimate (UTS), MPa 770
500
Tensile Strength: Yield (Proof), MPa 550
190

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1760
1450
Melting Onset (Solidus), °C 1700
1400
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 8.4
16

Otherwise Unclassified Properties

Base Metal Price, % relative 48
31
Density, g/cm3 5.4
8.1
Embodied Carbon, kg CO2/kg material 31
5.9
Embodied Energy, MJ/kg 480
80
Embodied Water, L/kg 150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 40
17
Strength to Weight: Bending, points 35
17
Thermal Shock Resistance, points 48
11

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
20 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
42.4 to 52.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 14 to 16
4.5 to 5.5
Nickel (Ni), % 0
23 to 27
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 83.5 to 86
0