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S17700 Stainless Steel vs. Class 2 Tungsten

S17700 stainless steel belongs to the iron alloys classification, while class 2 tungsten belongs to the otherwise unclassified metals. There are 25 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 S17700 stainless steel and the bottom bar is class 2 tungsten.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
260
Elongation at Break, % 1.0 to 23
5.7
Poisson's Ratio 0.28
0.28
Rockwell C Hardness 41 to 46
29
Shear Modulus, GPa 76
100
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
860
Tensile Strength: Yield (Proof), MPa 430 to 1210
580

Thermal Properties

Latent Heat of Fusion, J/g 290
160
Specific Heat Capacity, J/kg-K 480
120
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 11
4.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.8

Otherwise Unclassified Properties

Density, g/cm3 7.7
15
Embodied Carbon, kg CO2/kg material 2.8
23
Embodied Energy, MJ/kg 40
350
Embodied Water, L/kg 150
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
44
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
640
Stiffness to Weight: Axial, points 14
9.6
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 42 to 59
16
Strength to Weight: Bending, points 32 to 40
13
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 39 to 54
52

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 70.5 to 76.8
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 6.5 to 7.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0
92.5
Residuals, % 0
7.5