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EN 1.4905 Stainless Steel vs. CR012A Copper

EN 1.4905 stainless steel belongs to the iron alloys classification, while CR012A 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 1.4905 stainless steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 19
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 740
220
Tensile Strength: Yield (Proof), MPa 510
130

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 660
200
Melting Completion (Liquidus), °C 1480
1090
Melting Onset (Solidus), °C 1440
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 26
390
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
100
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
42
Embodied Water, L/kg 90
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
29
Resilience: Unit (Modulus of Resilience), kJ/m3 680
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26
6.8
Strength to Weight: Bending, points 23
9.0
Thermal Diffusivity, mm2/s 7.0
110
Thermal Shock Resistance, points 25
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Bismuth (Bi), % 0
0 to 0.00050
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0
Chromium (Cr), % 8.5 to 9.5
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 86.2 to 88.8
0
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.1 to 0.5
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0