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EN 1.7117 Steel vs. C84400 Valve Metal

EN 1.7117 steel belongs to the iron alloys classification, while C84400 valve metal belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7117 steel and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
39
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
230

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Maximum Temperature: Mechanical, °C 420
160
Melting Completion (Liquidus), °C 1440
1000
Melting Onset (Solidus), °C 1400
840
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 43
72
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
16
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
29
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 21
46
Embodied Water, L/kg 51
340

Common Calculations

Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24 to 69
7.2
Strength to Weight: Bending, points 22 to 44
9.4
Thermal Diffusivity, mm2/s 12
22
Thermal Shock Resistance, points 20 to 58
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.49 to 0.56
0
Chromium (Cr), % 0.7 to 1.0
0
Copper (Cu), % 0
78 to 82
Iron (Fe), % 95.2 to 96.4
0 to 0.4
Lead (Pb), % 0
6.0 to 8.0
Manganese (Mn), % 0.7 to 1.0
0
Nickel (Ni), % 0.5 to 0.7
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 1.5
Silicon (Si), % 1.2 to 1.5
0 to 0.0050
Sulfur (S), % 0 to 0.025
0 to 0.080
Tin (Sn), % 0
2.3 to 3.5
Zinc (Zn), % 0
7.0 to 10
Residuals, % 0
0 to 0.7