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CR022A Copper vs. AISI 439 Stainless Steel

CR022A copper belongs to the copper alloys classification, while AISI 439 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR022A copper and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
23
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 230
490
Tensile Strength: Yield (Proof), MPa 140
250

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
890
Melting Completion (Liquidus), °C 1090
1510
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
25
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.3
Embodied Energy, MJ/kg 41
34
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
95
Resilience: Unit (Modulus of Resilience), kJ/m3 83
160
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
18
Strength to Weight: Bending, points 9.3
18
Thermal Diffusivity, mm2/s 110
6.7
Thermal Shock Resistance, points 8.1
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 99.99 to 99.999
0
Iron (Fe), % 0 to 0.0010
77.1 to 82.8
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0 to 1.0
Nickel (Ni), % 0 to 0.0010
0 to 0.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.040
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.030
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Titanium (Ti), % 0
0.2 to 1.1
Zinc (Zn), % 0 to 0.00010
0