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C70250 Copper vs. Grade VDSiCrV Steel

C70250 copper belongs to the copper alloys classification, while grade VDSiCrV steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is grade VDSiCrV 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 44
80
Tensile Strength: Ultimate (UTS), MPa 520 to 740
2100

Thermal Properties

Latent Heat of Fusion, J/g 220
270
Maximum Temperature: Mechanical, °C 210
420
Melting Completion (Liquidus), °C 1100
1440
Melting Onset (Solidus), °C 1080
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 170
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.3
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
1.9
Embodied Energy, MJ/kg 45
26
Embodied Water, L/kg 310
50

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16 to 23
75
Strength to Weight: Bending, points 16 to 21
47
Thermal Diffusivity, mm2/s 49
13
Thermal Shock Resistance, points 18 to 26
63

Alloy Composition

Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 92.7 to 97.5
0 to 0.060
Iron (Fe), % 0
96.1 to 97.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.9
Nickel (Ni), % 2.2 to 4.2
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.25 to 1.2
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0