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EN 1.4421 Stainless Steel vs. CC140C Copper

EN 1.4421 stainless steel belongs to the iron alloys classification, while CC140C 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 1.4421 stainless steel and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 11 to 17
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 880 to 1100
340
Tensile Strength: Yield (Proof), MPa 620 to 950
230

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 870
200
Melting Completion (Liquidus), °C 1440
1100
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
310
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
77
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
78

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 36
41
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
34
Resilience: Unit (Modulus of Resilience), kJ/m3 960 to 2270
220
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31 to 39
10
Strength to Weight: Bending, points 26 to 30
12
Thermal Diffusivity, mm2/s 4.4
89
Thermal Shock Resistance, points 31 to 39
12

Alloy Composition

Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15.5 to 17.5
0.4 to 1.2
Copper (Cu), % 0
98.8 to 99.6
Iron (Fe), % 74.4 to 80.5
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 4.0 to 5.5
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.020
0