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EN 1.4621 Stainless Steel vs. C16500 Copper

EN 1.4621 stainless steel belongs to the iron alloys classification, while C16500 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 1.4621 stainless steel and the bottom bar is C16500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 25
1.5 to 53
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
43
Shear Strength, MPa 320
200 to 310
Tensile Strength: Ultimate (UTS), MPa 500
280 to 530
Tensile Strength: Yield (Proof), MPa 270
97 to 520

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 970
340
Melting Completion (Liquidus), °C 1440
1070
Melting Onset (Solidus), °C 1390
1010
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 21
250
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
60
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
61

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 41
42
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
7.8 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
41 to 1160
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
8.6 to 17
Strength to Weight: Bending, points 18
11 to 16
Thermal Diffusivity, mm2/s 5.7
74
Thermal Shock Resistance, points 17
9.8 to 19

Alloy Composition

Cadmium (Cd), % 0
0.6 to 1.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 21.5
0
Copper (Cu), % 0.1 to 1.0
97.8 to 98.9
Iron (Fe), % 74.4 to 79.7
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.5 to 0.7
Residuals, % 0
0 to 0.5