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CR025A Copper vs. N08031 Stainless Steel

CR025A copper belongs to the copper alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 26 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 CR025A copper and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 230
730
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 370
12
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 31
39
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
7.1
Embodied Energy, MJ/kg 41
96
Embodied Water, L/kg 320
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
270
Resilience: Unit (Modulus of Resilience), kJ/m3 83
230
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
25
Strength to Weight: Bending, points 9.3
22
Thermal Diffusivity, mm2/s 110
3.1
Thermal Shock Resistance, points 8.1
14

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 99.9 to 99.96
1.0 to 1.4
Iron (Fe), % 0
29 to 36.9
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0.040 to 0.060
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.010