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CR016A Copper vs. S40920 Stainless Steel

CR016A copper belongs to the copper alloys classification, while S40920 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 CR016A copper and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 230
430
Tensile Strength: Yield (Proof), MPa 140
190

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
710
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 99
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 35
6.5
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 42
28
Embodied Water, L/kg 390
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
78
Resilience: Unit (Modulus of Resilience), kJ/m3 83
97
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
15
Strength to Weight: Bending, points 9.3
16
Thermal Diffusivity, mm2/s 110
6.9
Thermal Shock Resistance, points 8.1
15

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 99.843 to 99.919
0
Iron (Fe), % 0
85.1 to 89.4
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.080 to 0.12
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5