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CR025A Copper vs. S32050 Stainless Steel

CR025A copper belongs to the copper alloys classification, while S32050 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR025A copper and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 230
770
Tensile Strength: Yield (Proof), MPa 140
370

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 370
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
6.0
Embodied Energy, MJ/kg 41
81
Embodied Water, L/kg 320
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
290
Resilience: Unit (Modulus of Resilience), kJ/m3 83
330
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
27
Strength to Weight: Bending, points 9.3
23
Thermal Diffusivity, mm2/s 110
3.3
Thermal Shock Resistance, points 8.1
17

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 99.9 to 99.96
0 to 0.4
Iron (Fe), % 0
43.1 to 51.8
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0.040 to 0.060
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.020