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EN 1.4005 Stainless Steel vs. C18900 Copper

EN 1.4005 stainless steel belongs to the iron alloys classification, while C18900 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 13 to 21
14 to 48
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Shear Strength, MPa 390 to 450
190 to 300
Tensile Strength: Ultimate (UTS), MPa 630 to 750
260 to 500
Tensile Strength: Yield (Proof), MPa 370 to 500
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 760
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1020
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 30
130
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
42
Embodied Water, L/kg 100
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
20 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 23 to 27
8.2 to 16
Strength to Weight: Bending, points 21 to 24
10 to 16
Thermal Diffusivity, mm2/s 8.1
38
Thermal Shock Resistance, points 23 to 27
9.3 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.060 to 0.15
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
97.7 to 99.15
Iron (Fe), % 82.4 to 87.8
0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.5
0.1 to 0.3
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
0.6 to 0.9
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5