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EN 1.4109 Stainless Steel vs. C70250 Copper

EN 1.4109 stainless steel belongs to the iron alloys classification, while C70250 copper belongs to the copper alloys. There are 24 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 1.4109 stainless steel and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
44
Tensile Strength: Ultimate (UTS), MPa 770
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Maximum Temperature: Mechanical, °C 820
210
Melting Completion (Liquidus), °C 1440
1100
Melting Onset (Solidus), °C 1400
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 30
170
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.2
2.9
Embodied Energy, MJ/kg 30
45
Embodied Water, L/kg 110
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
16 to 23
Strength to Weight: Bending, points 24
16 to 21
Thermal Diffusivity, mm2/s 8.1
49
Thermal Shock Resistance, points 28
18 to 26

Alloy Composition

Carbon (C), % 0.6 to 0.75
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
92.7 to 97.5
Iron (Fe), % 80.7 to 85
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0.4 to 0.8
0
Nickel (Ni), % 0
2.2 to 4.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0.25 to 1.2
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5