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EN 1.7321 Steel vs. CC380H Copper-nickel

EN 1.7321 steel belongs to the iron alloys classification, while CC380H copper-nickel belongs to the copper alloys. There are 25 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 EN 1.7321 steel and the bottom bar is CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
80
Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
47
Tensile Strength: Ultimate (UTS), MPa 490 to 1460
310

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 410
220
Melting Completion (Liquidus), °C 1460
1130
Melting Onset (Solidus), °C 1420
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 45
46
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
36
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.8
Embodied Energy, MJ/kg 20
58
Embodied Water, L/kg 50
300

Common Calculations

Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17 to 52
9.8
Strength to Weight: Bending, points 18 to 36
12
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 14 to 43
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.3 to 0.6
0
Copper (Cu), % 0 to 0.25
84.5 to 89
Iron (Fe), % 97.1 to 98.4
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.7 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 0.4 to 0.5
0
Nickel (Ni), % 0
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.5