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EN 1.1221 Steel vs. C19700 Copper

EN 1.1221 steel belongs to the iron alloys classification, while C19700 copper belongs to the copper alloys. There are 29 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 1.1221 steel and the bottom bar is C19700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 10 to 21
2.4 to 13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Shear Strength, MPa 450 to 520
240 to 300
Tensile Strength: Ultimate (UTS), MPa 730 to 870
400 to 530
Tensile Strength: Yield (Proof), MPa 390 to 550
330 to 520

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 48
250
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
86 to 88
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
87 to 89

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
30
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 47
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
12 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
460 to 1160
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 31
12 to 16
Strength to Weight: Bending, points 23 to 26
14 to 16
Thermal Diffusivity, mm2/s 13
73
Thermal Shock Resistance, points 23 to 28
14 to 19

Alloy Composition

Carbon (C), % 0.57 to 0.65
0
Chromium (Cr), % 0 to 0.4
0
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
97.4 to 99.59
Iron (Fe), % 97.1 to 98.8
0.3 to 1.2
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.010 to 0.2
Manganese (Mn), % 0.6 to 0.9
0 to 0.050
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.050
Phosphorus (P), % 0 to 0.035
0.1 to 0.4
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.2