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N08031 Stainless Steel vs. C81400 Copper

N08031 stainless steel belongs to the iron alloys classification, while C81400 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 45
11
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 730
370
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1390
1070
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 12
260
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
33
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 7.1
2.8
Embodied Energy, MJ/kg 96
45
Embodied Water, L/kg 240
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
36
Resilience: Unit (Modulus of Resilience), kJ/m3 230
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 25
11
Strength to Weight: Bending, points 22
13
Thermal Diffusivity, mm2/s 3.1
75
Thermal Shock Resistance, points 14
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 26 to 28
0.6 to 1.0
Copper (Cu), % 1.0 to 1.4
98.4 to 99.38
Iron (Fe), % 29 to 36.9
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.5