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EN 1.4594 Stainless Steel vs. C81400 Copper

EN 1.4594 stainless steel belongs to the iron alloys classification, while C81400 copper belongs to the copper alloys. There are 28 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 1.4594 stainless steel and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 11 to 17
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
370
Tensile Strength: Yield (Proof), MPa 810 to 1140
250

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 820
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1410
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 16
260
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
60
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
61

Otherwise Unclassified Properties

Base Metal Price, % relative 15
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
36
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 36 to 41
11
Strength to Weight: Bending, points 29 to 31
13
Thermal Diffusivity, mm2/s 4.4
75
Thermal Shock Resistance, points 34 to 39
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 13 to 15
0.6 to 1.0
Copper (Cu), % 1.2 to 2.0
98.4 to 99.38
Iron (Fe), % 72.6 to 79.5
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.0 to 6.0
0
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0
Residuals, % 0
0 to 0.5