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CR025A Copper vs. Grade FDSiCr Steel

CR025A copper belongs to the copper alloys classification, while grade FDSiCr steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR025A copper and the bottom bar is grade FDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
80
Tensile Strength: Ultimate (UTS), MPa 230
1930

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
410
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 370
48
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.2
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 320
48

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
69
Strength to Weight: Bending, points 9.3
44
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 8.1
58

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 99.9 to 99.96
0 to 0.12
Iron (Fe), % 0
96.5 to 97.8
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.5 to 0.9
Phosphorus (P), % 0.040 to 0.060
0 to 0.030
Silicon (Si), % 0
1.2 to 1.6
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.025