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R58150 Titanium vs. SAE-AISI H42 Steel

R58150 titanium belongs to the titanium alloys classification, while SAE-AISI H42 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R58150 titanium and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 770
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1760
1620
Melting Onset (Solidus), °C 1700
1570
Specific Heat Capacity, J/kg-K 500
440
Thermal Expansion, µm/m-K 8.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 48
24
Density, g/cm3 5.4
8.4
Embodied Carbon, kg CO2/kg material 31
8.8
Embodied Energy, MJ/kg 480
130
Embodied Water, L/kg 150
98

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 32
23
Strength to Weight: Axial, points 40
23 to 65
Strength to Weight: Bending, points 35
21 to 42
Thermal Shock Resistance, points 48
20 to 57

Alloy Composition

Carbon (C), % 0 to 0.1
0.55 to 0.7
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.1
79.3 to 83.8
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 14 to 16
4.5 to 5.5
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 83.5 to 86
0
Tungsten (W), % 0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2