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EN 1.7221 Steel vs. C19100 Copper

EN 1.7221 steel belongs to the iron alloys classification, while C19100 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7221 steel and the bottom bar is C19100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 11 to 17
17 to 37
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 650 to 780
250 to 630
Tensile Strength: Yield (Proof), MPa 430 to 630
75 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 44
250
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
55
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
56

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 51
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 98
60 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 1050
24 to 1310
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 23 to 27
7.7 to 20
Strength to Weight: Bending, points 21 to 24
9.9 to 18
Thermal Diffusivity, mm2/s 12
73
Thermal Shock Resistance, points 19 to 23
8.9 to 22

Alloy Composition

Carbon (C), % 0.22 to 0.29
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
96.5 to 98.6
Iron (Fe), % 96.8 to 98.3
0 to 0.2
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
0.9 to 1.3
Phosphorus (P), % 0 to 0.025
0.15 to 0.35
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tellurium (Te), % 0
0.35 to 0.6
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5

Comparable Variants