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EN 1.4404 Stainless Steel vs. C70260 Copper

EN 1.4404 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 1.4404 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, % 14 to 43
9.5 to 19
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
44
Shear Strength, MPa 420 to 550
320 to 450
Tensile Strength: Ultimate (UTS), MPa 600 to 900
520 to 760
Tensile Strength: Yield (Proof), MPa 240 to 570
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 950
200
Melting Completion (Liquidus), °C 1440
1060
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 15
160
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 52
43
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
710 to 1810
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 32
16 to 24
Strength to Weight: Bending, points 20 to 26
16 to 21
Thermal Diffusivity, mm2/s 4.0
45
Thermal Shock Resistance, points 13 to 20
18 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
95.8 to 98.8
Iron (Fe), % 62.8 to 71.5
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
1.0 to 3.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0.2 to 0.7
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.5

Comparable Variants