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S21603 Stainless Steel vs. C72150 Copper-nickel

S21603 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
99
Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 45
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
55
Shear Strength, MPa 490
320
Tensile Strength: Ultimate (UTS), MPa 690
490
Tensile Strength: Yield (Proof), MPa 390
210

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
600
Melting Completion (Liquidus), °C 1420
1210
Melting Onset (Solidus), °C 1380
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 17
14

Otherwise Unclassified Properties

Base Metal Price, % relative 17
45
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.6
6.1
Embodied Energy, MJ/kg 50
88
Embodied Water, L/kg 160
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 22
15
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
52.5 to 57
Iron (Fe), % 57.6 to 67.8
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 7.5 to 9.0
0 to 0.050
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
43 to 46
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5