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CR007A Copper vs. S44330 Stainless Steel

CR007A copper belongs to the copper alloys classification, while S44330 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR007A copper and the bottom bar is S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
25
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 230
440
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
40
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
91
Resilience: Unit (Modulus of Resilience), kJ/m3 83
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
16
Strength to Weight: Bending, points 9.3
17
Thermal Diffusivity, mm2/s 110
5.7
Thermal Shock Resistance, points 8.1
16

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 0.025
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 99.994 to 100
0.3 to 0.8
Iron (Fe), % 0 to 0.0010
72.5 to 79.7
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0
0 to 1.0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0
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
Titanium (Ti), % 0
0 to 0.8