SAE-AISI H14 Steel vs. Class 1 Tungsten

SAE-AISI H14 steel belongs to the iron alloys classification, while class 1 tungsten belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is class 1 tungsten.

SAE-AISI H14 (T20814) Chromium Hot-Work Steel Class 1 Tungsten

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		250

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		75
Shear Modulus, GPa		98

Tensile Strength: Ultimate (UTS), MPa		710 to 2030
Tensile Strength: Ultimate (UTS), MPa		860

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		160

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		120

Thermal Conductivity, W/m-K		35
Thermal Conductivity, W/m-K		21

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		5.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		9.3
Electrical Conductivity: Equal Volume, % IACS		12

Electrical Conductivity: Equal Weight (Specific), % IACS		10
Electrical Conductivity: Equal Weight (Specific), % IACS		7.4

Otherwise Unclassified Properties

Density, g/cm³		8.1
Density, g/cm³		15

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		22

Embodied Energy, MJ/kg		39
Embodied Energy, MJ/kg		340

Embodied Water, L/kg		73
Embodied Water, L/kg		140

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		9.6

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		24 to 69
Strength to Weight: Axial, points		16

Strength to Weight: Bending, points		22 to 44
Strength to Weight: Bending, points		14

Thermal Diffusivity, mm²/s		9.3
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		24 to 68
Thermal Shock Resistance, points		48

Alloy Composition

Carbon (C), %		0.35 to 0.45
Carbon (C), %		0

Chromium (Cr), %		4.8 to 5.5
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.25
Copper (Cu), %		0

Iron (Fe), %		86.5 to 89.9
Iron (Fe), %		0

Manganese (Mn), %		0.2 to 0.5
Manganese (Mn), %		0

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		0

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0

Silicon (Si), %		0.8 to 1.2
Silicon (Si), %		0

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0

Tungsten (W), %		4.0 to 5.3
Tungsten (W), %		90

Residuals, %		0
Residuals, %		10