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ASTM A217 Cast Steel vs. Class 4 Tungsten

ASTM A217 cast steel belongs to the iron alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is class 4 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
270
Elongation at Break, % 21 to 27
2.3
Poisson's Ratio 0.28 to 0.29
0.28
Shear Modulus, GPa 73 to 75
110
Tensile Strength: Ultimate (UTS), MPa 540 to 710
790
Tensile Strength: Yield (Proof), MPa 270 to 460
580

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
170
Specific Heat Capacity, J/kg-K 470
130
Thermal Conductivity, W/m-K 26 to 50
30
Thermal Expansion, µm/m-K 13
4.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
17
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
9.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
16
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
24
Embodied Energy, MJ/kg 20 to 28
360
Embodied Water, L/kg 47 to 87
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
16
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
620
Stiffness to Weight: Axial, points 13 to 14
9.6
Stiffness to Weight: Bending, points 24 to 25
14
Strength to Weight: Axial, points 19 to 25
14
Strength to Weight: Bending, points 19 to 23
12
Thermal Diffusivity, mm2/s 6.9 to 14
15
Thermal Shock Resistance, points 16 to 20
46