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EN 1.4938 Stainless Steel vs. C14181 Copper

EN 1.4938 stainless steel belongs to the iron alloys classification, while C14181 copper belongs to the copper alloys. There are 26 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 1.4938 stainless steel and the bottom bar is C14181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 16 to 17
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
210
Tensile Strength: Yield (Proof), MPa 640 to 870
130

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 750
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 30
380
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 3.3
2.6
Embodied Energy, MJ/kg 47
41
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
28
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
69
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 31 to 37
6.5
Strength to Weight: Bending, points 26 to 29
8.8
Thermal Diffusivity, mm2/s 8.1
110
Thermal Shock Resistance, points 30 to 35
7.4

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.080 to 0.15
0 to 0.0050
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 80.5 to 84.8
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.4 to 0.9
0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Vanadium (V), % 0.25 to 0.4
0
Zinc (Zn), % 0
0 to 0.0020