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Class 3 Tungsten vs. EN 1.4034 Stainless Steel

Class 3 tungsten belongs to the otherwise unclassified metals classification, while EN 1.4034 stainless steel belongs to the iron alloys. There are 24 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 class 3 tungsten and the bottom bar is EN 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 270
190
Elongation at Break, % 3.4
11 to 14
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 100
76
Tensile Strength: Ultimate (UTS), MPa 830
690 to 900
Tensile Strength: Yield (Proof), MPa 580
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Specific Heat Capacity, J/kg-K 120
480
Thermal Conductivity, W/m-K 30
30
Thermal Expansion, µm/m-K 4.5
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.7

Otherwise Unclassified Properties

Density, g/cm3 15
7.7
Embodied Carbon, kg CO2/kg material 23
2.0
Embodied Energy, MJ/kg 360
27
Embodied Water, L/kg 150
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 630
400 to 1370
Stiffness to Weight: Axial, points 9.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 15
25 to 32
Strength to Weight: Bending, points 13
22 to 27
Thermal Diffusivity, mm2/s 15
8.1
Thermal Shock Resistance, points 49
24 to 32

Alloy Composition

Carbon (C), % 0
0.43 to 0.5
Chromium (Cr), % 0
12.5 to 14.5
Iron (Fe), % 0
83 to 87.1
Manganese (Mn), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 95
0
Residuals, % 5.0
0