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EN 1.4981 Stainless Steel vs. C14500 Copper

EN 1.4981 stainless steel belongs to the iron alloys classification, while C14500 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 1.4981 stainless steel and the bottom bar is C14500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
12 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 420
150 to 190
Tensile Strength: Ultimate (UTS), MPa 610
220 to 330
Tensile Strength: Yield (Proof), MPa 240
69 to 260

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 940
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1050
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 16
360
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
94
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
95

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 67
42
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
36 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 150
21 to 300
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21
6.8 to 10
Strength to Weight: Bending, points 20
9.1 to 12
Thermal Diffusivity, mm2/s 4.3
100
Thermal Shock Resistance, points 14
8.0 to 12

Alloy Composition

Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
99.2 to 99.596
Iron (Fe), % 59.6 to 66.7
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 1.6 to 2.0
0
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0.0040 to 0.012
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.015
0
Tellurium (Te), % 0
0.4 to 0.7