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ASTM A27 Cast Steel vs. Class 1 Tungsten

ASTM A27 cast steel belongs to the iron alloys classification, while class 1 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A27 cast steel and the bottom bar is class 1 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
250
Elongation at Break, % 25 to 27
5.7
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
98
Tensile Strength: Ultimate (UTS), MPa 460 to 550
860
Tensile Strength: Yield (Proof), MPa 230 to 310
580

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Specific Heat Capacity, J/kg-K 470
120
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 12
5.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.4

Otherwise Unclassified Properties

Density, g/cm3 7.8
15
Embodied Carbon, kg CO2/kg material 1.4
22
Embodied Energy, MJ/kg 18
340
Embodied Water, L/kg 45 to 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
44
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
660
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 16 to 20
16
Strength to Weight: Bending, points 17 to 19
14
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 15 to 18
48