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CR012A Copper vs. S35045 Stainless Steel

CR012A copper belongs to the copper alloys classification, while S35045 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 CR012A copper and the bottom bar is S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
39
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 220
540
Tensile Strength: Yield (Proof), MPa 130
190

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1390
Melting Onset (Solidus), °C 1040
1340
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
34
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.8
Embodied Energy, MJ/kg 42
83
Embodied Water, L/kg 360
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
170
Resilience: Unit (Modulus of Resilience), kJ/m3 76
94
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
19
Strength to Weight: Bending, points 9.0
19
Thermal Diffusivity, mm2/s 110
3.2
Thermal Shock Resistance, points 7.8
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0
25 to 29
Copper (Cu), % 99.85 to 99.94
0 to 0.75
Iron (Fe), % 0
29.4 to 42.6
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
32 to 37
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6