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CR012A Copper vs. AISI 439 Stainless Steel

CR012A 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 CR012A 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 220
490
Tensile Strength: Yield (Proof), MPa 130
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 390
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 33
9.0
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 42
34
Embodied Water, L/kg 360
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
95
Resilience: Unit (Modulus of Resilience), kJ/m3 76
160
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
18
Strength to Weight: Bending, points 9.0
18
Thermal Diffusivity, mm2/s 110
6.7
Thermal Shock Resistance, points 7.8
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
77.1 to 82.8
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.1