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EN 1.4618 Stainless Steel vs. C70260 Copper

EN 1.4618 stainless steel belongs to the iron alloys classification, while C70260 copper belongs to the copper alloys. There are 29 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 1.4618 stainless steel and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 51
9.5 to 19
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
44
Shear Strength, MPa 480 to 500
320 to 450
Tensile Strength: Ultimate (UTS), MPa 680 to 700
520 to 760
Tensile Strength: Yield (Proof), MPa 250 to 260
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Maximum Temperature: Mechanical, °C 900
200
Melting Completion (Liquidus), °C 1400
1060
Melting Onset (Solidus), °C 1360
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
160
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
710 to 1810
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24 to 25
16 to 24
Strength to Weight: Bending, points 22 to 23
16 to 21
Thermal Diffusivity, mm2/s 4.0
45
Thermal Shock Resistance, points 15 to 16
18 to 27

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 1.0 to 2.5
95.8 to 98.8
Iron (Fe), % 62.7 to 72.5
0
Manganese (Mn), % 5.5 to 9.5
0
Nickel (Ni), % 4.5 to 5.5
1.0 to 3.0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.010
Silicon (Si), % 0 to 1.0
0.2 to 0.7
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.5