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EN 1.4618 Stainless Steel vs. C96700 Copper

EN 1.4618 stainless steel belongs to the iron alloys classification, while C96700 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 51
10
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
53
Tensile Strength: Ultimate (UTS), MPa 680 to 700
1210
Tensile Strength: Yield (Proof), MPa 250 to 260
550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
310
Melting Completion (Liquidus), °C 1400
1170
Melting Onset (Solidus), °C 1360
1110
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
90
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.7
9.5
Embodied Energy, MJ/kg 39
140
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
99
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
1080
Stiffness to Weight: Axial, points 14
8.9
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 24 to 25
38
Strength to Weight: Bending, points 22 to 23
29
Thermal Diffusivity, mm2/s 4.0
8.5
Thermal Shock Resistance, points 15 to 16
40

Alloy Composition

Beryllium (Be), % 0
1.1 to 1.2
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 1.0 to 2.5
62.4 to 68.8
Iron (Fe), % 62.7 to 72.5
0.4 to 1.0
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 5.5 to 9.5
0.4 to 1.0
Nickel (Ni), % 4.5 to 5.5
29 to 33
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
Titanium (Ti), % 0
0.15 to 0.35
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.5