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EN 1.4405 Stainless Steel vs. C10700 Copper

EN 1.4405 stainless steel belongs to the iron alloys classification, while C10700 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4405 stainless steel and the bottom bar is C10700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
2.2 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 860
230 to 410
Tensile Strength: Yield (Proof), MPa 610
77 to 410

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 870
200
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1400
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
390
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 13
35
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 39
42
Embodied Water, L/kg 130
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
7.9 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 950
25 to 710
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31
7.2 to 13
Strength to Weight: Bending, points 26
9.4 to 14
Thermal Diffusivity, mm2/s 4.6
110
Thermal Shock Resistance, points 29
8.2 to 15

Alloy Composition

Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
99.83 to 99.915
Iron (Fe), % 73.6 to 80.3
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.7 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
0
Oxygen (O), % 0
0 to 0.0010
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0
Silver (Ag), % 0
0.085 to 0.12
Sulfur (S), % 0 to 0.025
0
Residuals, % 0
0 to 0.050