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EN 1.4418 Stainless Steel vs. CR012A Copper

EN 1.4418 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 1.4418 stainless steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 16 to 20
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
220
Tensile Strength: Yield (Proof), MPa 540 to 790
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 870
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
390
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 39
42
Embodied Water, L/kg 130
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
29
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31 to 36
6.8
Strength to Weight: Bending, points 26 to 28
9.0
Thermal Diffusivity, mm2/s 4.0
110
Thermal Shock Resistance, points 31 to 36
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
99.85 to 99.94
Iron (Fe), % 73.2 to 80.2
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0.8 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.020
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.015
0