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CR011A Copper vs. S32750 Stainless Steel

CR011A copper belongs to the copper alloys classification, while S32750 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 CR011A copper and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 220
860
Tensile Strength: Yield (Proof), MPa 130
590

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
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
15
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 32
21
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 42
56
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
130
Resilience: Unit (Modulus of Resilience), kJ/m3 76
860
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
31
Strength to Weight: Bending, points 9.0
26
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 7.8
25

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 99.88 to 99.97
0 to 0.5
Iron (Fe), % 0
58.1 to 66.8
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.020