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Grade TDC Steel vs. C72150 Copper-nickel

Grade TDC steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 25 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 grade TDC steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
99
Elastic (Young's, Tensile) Modulus, GPa 190
150
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
55
Tensile Strength: Ultimate (UTS), MPa 1700
490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
600
Melting Completion (Liquidus), °C 1450
1210
Melting Onset (Solidus), °C 1410
1250
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 51
22
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
45
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
6.1
Embodied Energy, MJ/kg 19
88
Embodied Water, L/kg 47
270

Common Calculations

Stiffness to Weight: Axial, points 13
9.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 60
15
Strength to Weight: Bending, points 40
15
Thermal Diffusivity, mm2/s 14
6.0
Thermal Shock Resistance, points 50
18

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.1
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.1
52.5 to 57
Iron (Fe), % 98 to 99.4
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 1.2
0 to 0.050
Nickel (Ni), % 0
43 to 46
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.1 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5