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EN 1.1127 Steel vs. Class 2 Tungsten

EN 1.1127 steel belongs to the iron alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.1127 steel and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
260
Elongation at Break, % 14 to 25
5.7
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
100
Tensile Strength: Ultimate (UTS), MPa 660 to 790
860
Tensile Strength: Yield (Proof), MPa 410 to 580
580

Thermal Properties

Latent Heat of Fusion, J/g 250
160
Specific Heat Capacity, J/kg-K 470
120
Thermal Conductivity, W/m-K 49
20
Thermal Expansion, µm/m-K 12
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
7.8

Otherwise Unclassified Properties

Density, g/cm3 7.8
15
Embodied Carbon, kg CO2/kg material 1.5
23
Embodied Energy, MJ/kg 19
350
Embodied Water, L/kg 49
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 140
44
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 880
640
Stiffness to Weight: Axial, points 13
9.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 23 to 28
16
Strength to Weight: Bending, points 22 to 24
13
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 21 to 25
52

Alloy Composition

Carbon (C), % 0.34 to 0.42
0
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 96.6 to 98.1
0
Manganese (Mn), % 1.4 to 1.7
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.035
0
Tungsten (W), % 0
92.5
Residuals, % 0
7.5