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S21603 Stainless Steel vs. C70600 Copper-nickel

S21603 stainless steel belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 25 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 S21603 stainless steel and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 45
3.0 to 34
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
46
Shear Strength, MPa 490
190 to 330
Tensile Strength: Ultimate (UTS), MPa 690
290 to 570
Tensile Strength: Yield (Proof), MPa 390
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 990
220
Melting Completion (Liquidus), °C 1420
1150
Melting Onset (Solidus), °C 1380
1100
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
33
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.4
Embodied Energy, MJ/kg 50
51
Embodied Water, L/kg 160
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 380
16 to 290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
9.1 to 18
Strength to Weight: Bending, points 22
11 to 17
Thermal Shock Resistance, points 15
9.8 to 19

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
84.7 to 90
Iron (Fe), % 57.6 to 67.8
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 7.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
9.0 to 11
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5