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EN 1.4621 Stainless Steel vs. C10100 Copper

EN 1.4621 stainless steel belongs to the iron alloys classification, while C10100 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 1.4621 stainless steel and the bottom bar is C10100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 25
1.5 to 50
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
43
Shear Strength, MPa 320
150 to 240
Tensile Strength: Ultimate (UTS), MPa 500
220 to 410
Tensile Strength: Yield (Proof), MPa 270
69 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 970
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1390
1080
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 21
390
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
100
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.1 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 190
21 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
6.8 to 13
Strength to Weight: Bending, points 18
9.0 to 14
Thermal Diffusivity, mm2/s 5.7
110
Thermal Shock Resistance, points 17
7.8 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 21.5
0
Copper (Cu), % 0.1 to 1.0
99.99 to 100
Iron (Fe), % 74.4 to 79.7
0
Lead (Pb), % 0
0 to 0.0010
Manganese (Mn), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0
0 to 0.00050
Phosphorus (P), % 0 to 0.040
0 to 0.00030
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.00010