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CR011A Copper vs. EN 1.4021 Stainless Steel

CR011A copper belongs to the copper alloys classification, while EN 1.4021 stainless steel belongs to the iron alloys. There are 28 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 CR011A copper and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
11 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 220
630 to 880
Tensile Strength: Yield (Proof), MPa 130
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
760
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 32
7.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 42
27
Embodied Water, L/kg 340
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
400 to 1160
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
23 to 31
Strength to Weight: Bending, points 9.0
21 to 26
Thermal Diffusivity, mm2/s 110
8.1
Thermal Shock Resistance, points 7.8
22 to 31

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.16 to 0.25
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 99.88 to 99.97
0
Iron (Fe), % 0
83.2 to 87.8
Manganese (Mn), % 0
0 to 1.5
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.015