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EN 1.4123 Stainless Steel vs. CR012A Copper

EN 1.4123 stainless steel belongs to the iron alloys classification, while CR012A copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 720 to 810
220

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 840
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 23
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 62
42
Embodied Water, L/kg 120
360

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26 to 29
6.8
Strength to Weight: Bending, points 23 to 25
9.0
Thermal Diffusivity, mm2/s 6.3
110
Thermal Shock Resistance, points 26 to 29
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.35 to 0.5
0
Chromium (Cr), % 14 to 16.5
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 76.7 to 84.6
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 1.5
0