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EN 1.4618 Stainless Steel vs. C82700 Copper

EN 1.4618 stainless steel belongs to the iron alloys classification, while C82700 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4618 stainless steel and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
1.8
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
46
Tensile Strength: Ultimate (UTS), MPa 680 to 700
1200
Tensile Strength: Yield (Proof), MPa 250 to 260
1020

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 900
300
Melting Completion (Liquidus), °C 1400
950
Melting Onset (Solidus), °C 1360
860
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
20
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
21

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 39
180
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
21
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
4260
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 25
38
Strength to Weight: Bending, points 22 to 23
29
Thermal Diffusivity, mm2/s 4.0
39
Thermal Shock Resistance, points 15 to 16
41

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16.5 to 18.5
0 to 0.090
Copper (Cu), % 1.0 to 2.5
94.6 to 96.7
Iron (Fe), % 62.7 to 72.5
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 5.5 to 9.5
0
Nickel (Ni), % 4.5 to 5.5
1.0 to 1.5
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5