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Grade FDSiCr Steel vs. C18600 Copper

Grade FDSiCr steel belongs to the iron alloys classification, while C18600 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is C18600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 80
44
Tensile Strength: Ultimate (UTS), MPa 1930
520 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1400
1070
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 48
280
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
70
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
71

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 48
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 69
16 to 18
Strength to Weight: Bending, points 44
16 to 17
Thermal Diffusivity, mm2/s 13
81
Thermal Shock Resistance, points 58
19 to 20

Alloy Composition

Carbon (C), % 0.5 to 0.6
0
Chromium (Cr), % 0.5 to 0.8
0.1 to 1.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.12
96.5 to 99.55
Iron (Fe), % 96.5 to 97.8
0.25 to 0.8
Manganese (Mn), % 0.5 to 0.9
0
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.6
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0.050 to 0.5
Zirconium (Zr), % 0
0.050 to 0.4
Residuals, % 0
0 to 0.5