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S21800 Stainless Steel vs. CC382H Copper-nickel

S21800 stainless steel belongs to the iron alloys classification, while CC382H copper-nickel belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is CC382H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 40
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
53
Tensile Strength: Ultimate (UTS), MPa 740
490
Tensile Strength: Yield (Proof), MPa 390
290

Thermal Properties

Latent Heat of Fusion, J/g 340
240
Maximum Temperature: Mechanical, °C 900
260
Melting Completion (Liquidus), °C 1360
1180
Melting Onset (Solidus), °C 1310
1120
Specific Heat Capacity, J/kg-K 500
410
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
41
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 3.1
5.2
Embodied Energy, MJ/kg 45
76
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
85
Resilience: Unit (Modulus of Resilience), kJ/m3 390
290
Stiffness to Weight: Axial, points 14
8.8
Stiffness to Weight: Bending, points 26
20
Strength to Weight: Axial, points 27
15
Strength to Weight: Bending, points 24
16
Thermal Shock Resistance, points 17
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Bismuth (Bi), % 0
0 to 0.0020
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 16 to 18
1.5 to 2.0
Copper (Cu), % 0
62.8 to 68.4
Iron (Fe), % 59.1 to 65.4
0.5 to 1.0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 7.0 to 9.0
0.5 to 1.0
Nickel (Ni), % 8.0 to 9.0
29 to 32
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.010
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 3.5 to 4.5
0.15 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tellurium (Te), % 0
0 to 0.0050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.15