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S40920 Stainless Steel vs. CR003A Copper

S40920 stainless steel belongs to the iron alloys classification, while CR003A copper belongs to the copper 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 S40920 stainless steel and the bottom bar is CR003A copper.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 710
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 26
380
Thermal Expansion, µm/m-K 10
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 28
41
Embodied Water, L/kg 94
310

Common Calculations

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

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
99.954 to 100
Iron (Fe), % 85.1 to 89.4
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.020
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Titanium (Ti), % 0.15 to 0.5
0