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EN 1.4640 Stainless Steel vs. C82400 Copper

EN 1.4640 stainless steel belongs to the iron alloys classification, while C82400 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
1.0 to 20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 620 to 650
500 to 1030
Tensile Strength: Yield (Proof), MPa 240 to 260
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 930
270
Melting Completion (Liquidus), °C 1420
1000
Melting Onset (Solidus), °C 1380
900
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
26

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 2.8
8.9
Embodied Energy, MJ/kg 40
140
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
270 to 3870
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22 to 23
16 to 33
Strength to Weight: Bending, points 21
16 to 26
Thermal Diffusivity, mm2/s 4.0
39
Thermal Shock Resistance, points 14 to 15
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 1.3 to 2.0
96 to 98.2
Iron (Fe), % 67.4 to 73.6
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0 to 0.2
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5