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Grade TDC Steel vs. C72800 Copper-nickel

Grade TDC steel belongs to the iron alloys classification, while C72800 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade TDC steel and the bottom bar is C72800 copper-nickel.

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 1700
520 to 1270

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1410
920
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 51
55
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
38
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
4.4
Embodied Energy, MJ/kg 19
68
Embodied Water, L/kg 47
360

Common Calculations

Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 60
17 to 40
Strength to Weight: Bending, points 40
16 to 30
Thermal Diffusivity, mm2/s 14
17
Thermal Shock Resistance, points 50
19 to 45

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
78.3 to 82.8
Iron (Fe), % 98 to 99.4
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 0.5 to 1.2
0.050 to 0.3
Nickel (Ni), % 0
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.0050
Silicon (Si), % 0.1 to 0.35
0 to 0.050
Sulfur (S), % 0 to 0.020
0 to 0.0025
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0
0 to 0.010
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.3