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CR003A Copper vs. S41050 Stainless Steel

CR003A copper belongs to the copper alloys classification, while S41050 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR003A copper and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
25
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 230
470
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 41
27
Embodied Water, L/kg 310
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
98
Resilience: Unit (Modulus of Resilience), kJ/m3 83
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
17
Strength to Weight: Bending, points 9.3
17
Thermal Diffusivity, mm2/s 110
7.2
Thermal Shock Resistance, points 8.1
17

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 99.954 to 100
0
Iron (Fe), % 0 to 0.0010
84.2 to 88.9
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.045
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.030
Tellurium (Te), % 0 to 0.00020
0