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CR023A Copper vs. S21460 Stainless Steel

CR023A copper belongs to the copper alloys classification, while S21460 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
46
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
830
Tensile Strength: Yield (Proof), MPa 130
430

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
920
Melting Completion (Liquidus), °C 1090
1380
Melting Onset (Solidus), °C 1040
1330
Specific Heat Capacity, J/kg-K 390
480
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 31
14
Density, g/cm3 9.0
7.6
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
320
Resilience: Unit (Modulus of Resilience), kJ/m3 76
460
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
30
Strength to Weight: Bending, points 9.0
26
Thermal Shock Resistance, points 7.8
17

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 99.9 to 99.995
0
Iron (Fe), % 0
57.3 to 63.7
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
14 to 16
Nickel (Ni), % 0
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0.0050 to 0.013
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030