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CR021A Copper vs. S44537 Stainless Steel

CR021A copper belongs to the copper alloys classification, while S44537 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 CR021A copper and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
21
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 230
510
Tensile Strength: Yield (Proof), MPa 140
360

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
1000
Melting Completion (Liquidus), °C 1090
1480
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
19
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 41
50
Embodied Water, L/kg 320
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
95
Resilience: Unit (Modulus of Resilience), kJ/m3 83
320
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
18
Strength to Weight: Bending, points 9.3
18
Thermal Diffusivity, mm2/s 110
5.6
Thermal Shock Resistance, points 8.1
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 24
Copper (Cu), % 99.95 to 99.998
0 to 0.5
Iron (Fe), % 0
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 0.8
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0.0020 to 0.0070
0 to 0.050
Silicon (Si), % 0
0.1 to 0.6
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0