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Grade TDSiCrV Steel vs. C71640 Copper-nickel

Grade TDSiCrV steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade TDSiCrV steel and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
52
Tensile Strength: Ultimate (UTS), MPa 2100
490 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 420
260
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 47
29
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
40
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 1.9
5.0
Embodied Energy, MJ/kg 26
73
Embodied Water, L/kg 50
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 75
15 to 20
Strength to Weight: Bending, points 47
16 to 18
Thermal Diffusivity, mm2/s 13
8.2
Thermal Shock Resistance, points 63
16 to 21

Alloy Composition

Carbon (C), % 0.5 to 0.7
0
Chromium (Cr), % 0.5 to 1.0
0
Copper (Cu), % 0 to 0.1
61.7 to 67.8
Iron (Fe), % 96.1 to 97.8
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.4 to 0.9
1.5 to 2.5
Nickel (Ni), % 0
29 to 32
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 1.2 to 1.7
0
Sulfur (S), % 0 to 0.020
0
Vanadium (V), % 0.1 to 0.25
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5