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SAE-AISI H19 Steel vs. R58150 Titanium

SAE-AISI H19 steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium 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 SAE-AISI H19 steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
52
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
770

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Melting Completion (Liquidus), °C 1540
1760
Melting Onset (Solidus), °C 1490
1700
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 12
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
48
Density, g/cm3 8.2
5.4
Embodied Carbon, kg CO2/kg material 7.5
31
Embodied Energy, MJ/kg 110
480
Embodied Water, L/kg 110
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 24 to 68
40
Strength to Weight: Bending, points 22 to 43
35
Thermal Shock Resistance, points 21 to 59
48

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.1
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 81.4 to 85.5
0 to 0.1
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 0.3 to 0.55
14 to 16
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
83.5 to 86
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0