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S45500 Stainless Steel vs. C72900 Copper-nickel

S45500 stainless steel belongs to the iron alloys classification, while C72900 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 S45500 stainless steel and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 3.4 to 11
6.0 to 20
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
45
Shear Strength, MPa 790 to 1090
540 to 630
Tensile Strength: Ultimate (UTS), MPa 1370 to 1850
870 to 1080
Tensile Strength: Yield (Proof), MPa 1240 to 1700
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 760
210
Melting Completion (Liquidus), °C 1440
1120
Melting Onset (Solidus), °C 1400
950
Specific Heat Capacity, J/kg-K 470
380
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
39
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.8
4.6
Embodied Energy, MJ/kg 57
72
Embodied Water, L/kg 120
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 190
49 to 210
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 48 to 65
27 to 34
Strength to Weight: Bending, points 35 to 42
23 to 27
Thermal Shock Resistance, points 48 to 64
31 to 38

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 1.5 to 2.5
74.1 to 78
Iron (Fe), % 71.5 to 79.2
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 0.5
0 to 0.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 7.5 to 9.5
14.5 to 15.5
Niobium (Nb), % 0 to 0.5
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0 to 0.5
0
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0.8 to 1.4
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3