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SAE-AISI H19 Steel vs. Class 4 Tungsten

SAE-AISI H19 steel belongs to the iron alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 18 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 class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
110
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
790

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Specific Heat Capacity, J/kg-K 460
130
Thermal Conductivity, W/m-K 29
30
Thermal Expansion, µm/m-K 12
4.5

Otherwise Unclassified Properties

Density, g/cm3 8.2
16
Embodied Carbon, kg CO2/kg material 7.5
24
Embodied Energy, MJ/kg 110
360
Embodied Water, L/kg 110
150

Common Calculations

Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 24 to 68
14
Strength to Weight: Bending, points 22 to 43
12
Thermal Diffusivity, mm2/s 7.9
15
Thermal Shock Resistance, points 21 to 59
46

Alloy Composition

Carbon (C), % 0.32 to 0.45
0
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 85.5
0
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 0.3 to 0.55
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 3.8 to 4.5
97
Vanadium (V), % 1.8 to 2.2
0
Residuals, % 0
3.0