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S44735 Stainless Steel vs. C72500 Copper-nickel

S44735 stainless steel belongs to the iron alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is S44735 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 0.27
0.34
Shear Modulus, GPa 82
45
Tensile Strength: Ultimate (UTS), MPa 630
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1460
1130
Melting Onset (Solidus), °C 1420
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 21
35
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 4.4
3.6
Embodied Energy, MJ/kg 61
55
Embodied Water, L/kg 180
320

Common Calculations

Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 26
19
Strength to Weight: Axial, points 23
13 to 24
Strength to Weight: Bending, points 21
14 to 21
Thermal Shock Resistance, points 20
14 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0
85.2 to 89.7
Iron (Fe), % 60.7 to 68.4
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
8.5 to 10.5
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.8 to 2.8
Titanium (Ti), % 0.2 to 1.0
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2