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EN 1.4618 Stainless Steel vs. C99500 Copper

EN 1.4618 stainless steel belongs to the iron alloys classification, while C99500 copper belongs to the copper alloys. There are 26 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 C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 680 to 700
540
Tensile Strength: Yield (Proof), MPa 250 to 260
310

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 900
210
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1360
1040
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 39
47
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
63
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
410
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24 to 25
17
Strength to Weight: Bending, points 22 to 23
17
Thermal Shock Resistance, points 15 to 16
19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 1.0 to 2.5
82.5 to 92
Iron (Fe), % 62.7 to 72.5
3.0 to 5.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 5.5 to 9.5
0 to 0.5
Nickel (Ni), % 4.5 to 5.5
3.5 to 5.5
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0
Silicon (Si), % 0 to 1.0
0.5 to 2.0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
0.5 to 2.0
Residuals, % 0
0 to 0.3