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CR005A Copper vs. S35125 Stainless Steel

CR005A copper belongs to the copper alloys classification, while S35125 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 CR005A copper and the bottom bar is S35125 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 230
540
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1430
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
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
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
6.4
Embodied Energy, MJ/kg 41
89
Embodied Water, L/kg 320
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
170
Resilience: Unit (Modulus of Resilience), kJ/m3 83
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
19
Strength to Weight: Bending, points 9.3
18
Thermal Diffusivity, mm2/s 110
3.1
Thermal Shock Resistance, points 8.1
12

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
36.2 to 45.8
Manganese (Mn), % 0
1.0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.015