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CR007A Copper vs. N08020 Stainless Steel

CR007A copper belongs to the copper alloys classification, while N08020 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR007A copper and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
15 to 34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 230
610 to 620
Tensile Strength: Yield (Proof), MPa 140
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1410
Melting Onset (Solidus), °C 1040
1360
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 380
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
38
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
6.6
Embodied Energy, MJ/kg 41
92
Embodied Water, L/kg 310
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 83
180 to 440
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
21
Strength to Weight: Bending, points 9.3
20
Thermal Diffusivity, mm2/s 110
3.2
Thermal Shock Resistance, points 8.1
15

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 99.994 to 100
3.0 to 4.0
Iron (Fe), % 0 to 0.0010
29.9 to 44
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.045
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 0.035
Tellurium (Te), % 0 to 0.00020
0