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N08800 Stainless Steel vs. C72500 Copper-nickel

N08800 stainless steel belongs to the iron alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is N08800 stainless steel and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1390
1130
Melting Onset (Solidus), °C 1360
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
54
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
11
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
35
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.3
3.6
Embodied Energy, MJ/kg 76
55
Embodied Water, L/kg 200
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 35
13 to 24
Strength to Weight: Bending, points 18 to 28
14 to 21
Thermal Diffusivity, mm2/s 3.0
16
Thermal Shock Resistance, points 13 to 25
14 to 27

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
85.2 to 89.7
Iron (Fe), % 39.5 to 50.7
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.2
Nickel (Ni), % 30 to 35
8.5 to 10.5
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
1.8 to 2.8
Titanium (Ti), % 0.15 to 0.6
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2