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CR023A Copper vs. EN 1.4558 Stainless Steel

CR023A copper belongs to the copper alloys classification, while EN 1.4558 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 CR023A copper and the bottom bar is EN 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
510
Tensile Strength: Yield (Proof), MPa 130
200

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1400
Melting Onset (Solidus), °C 1040
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
5.5
Embodied Energy, MJ/kg 41
77
Embodied Water, L/kg 320
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
160
Resilience: Unit (Modulus of Resilience), kJ/m3 76
100
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
18
Strength to Weight: Bending, points 9.0
18
Thermal Diffusivity, mm2/s 110
3.1
Thermal Shock Resistance, points 7.8
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
39.2 to 47.9
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
32 to 35
Phosphorus (P), % 0.0050 to 0.013
0 to 0.020
Silicon (Si), % 0
0 to 0.7
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.6