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EN 1.4981 Stainless Steel vs. C14520 Copper

EN 1.4981 stainless steel belongs to the iron alloys classification, while C14520 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
9.0 to 9.6
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 420
170 to 190
Tensile Strength: Ultimate (UTS), MPa 610
290 to 330
Tensile Strength: Yield (Proof), MPa 240
230 to 250

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
320
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
85
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
85

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
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 150
240 to 280
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 21
9.0 to 10
Strength to Weight: Bending, points 20
11 to 12
Thermal Diffusivity, mm2/s 4.3
94
Thermal Shock Resistance, points 14
10 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 0.020
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.015
0
Tellurium (Te), % 0
0.4 to 0.7