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N08031 Stainless Steel vs. C72500 Copper-nickel

N08031 stainless steel belongs to the iron alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 81
45
Tensile Strength: Ultimate (UTS), MPa 730
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1440
1130
Melting Onset (Solidus), °C 1390
1060
Specific Heat Capacity, J/kg-K 460
390
Thermal Conductivity, W/m-K 12
54
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
35
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 7.1
3.6
Embodied Energy, MJ/kg 96
55
Embodied Water, L/kg 240
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 25
13 to 24
Strength to Weight: Bending, points 22
14 to 21
Thermal Diffusivity, mm2/s 3.1
16
Thermal Shock Resistance, points 14
14 to 27

Alloy Composition

Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 26 to 28
0
Copper (Cu), % 1.0 to 1.4
85.2 to 89.7
Iron (Fe), % 29 to 36.9
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
8.5 to 10.5
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
Tin (Sn), % 0
1.8 to 2.8
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2