Class 4 Tungsten vs. N08135 Stainless Steel

Class 4 tungsten belongs to the otherwise unclassified metals classification, while N08135 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is class 4 tungsten and the bottom bar is N08135 stainless steel.

Class 4 Tungsten UNS N08135 Iron-Nickel-Chromium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		270
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		2.3
Elongation at Break, %		46

Poisson's Ratio		0.28
Poisson's Ratio		0.28

Shear Modulus, GPa		110
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		790
Tensile Strength: Ultimate (UTS), MPa		570

Tensile Strength: Yield (Proof), MPa		580
Tensile Strength: Yield (Proof), MPa		240

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		310

Specific Heat Capacity, J/kg-K		130
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		4.5
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Density, g/cm³		16
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		24
Embodied Carbon, kg CO₂/kg material		6.8

Embodied Energy, MJ/kg		360
Embodied Energy, MJ/kg		94

Embodied Water, L/kg		150
Embodied Water, L/kg		220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		16
Resilience: Ultimate (Unit Rupture Work), MJ/m³		210

Resilience: Unit (Modulus of Resilience), kJ/m³		620
Resilience: Unit (Modulus of Resilience), kJ/m³		140

Stiffness to Weight: Axial, points		9.6
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		46
Thermal Shock Resistance, points		13

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0
Chromium (Cr), %		20.5 to 23.5

Copper (Cu), %		0
Copper (Cu), %		0 to 0.7

Iron (Fe), %		0
Iron (Fe), %		30.2 to 42.3

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		4.0 to 5.0

Nickel (Ni), %		0
Nickel (Ni), %		33 to 38

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.75

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

Tungsten (W), %		97
Tungsten (W), %		0.2 to 0.8

Residuals, %		3.0
Residuals, %		0