MakeItFrom.com
Menu (ESC)

S21800 Stainless Steel vs. C70620 Copper-nickel

S21800 stainless steel belongs to the iron alloys classification, while C70620 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 88
65 to 87
Shear Modulus, GPa 75
46
Tensile Strength: Ultimate (UTS), MPa 740
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 340
220
Maximum Temperature: Mechanical, °C 900
220
Melting Completion (Liquidus), °C 1360
1120
Melting Onset (Solidus), °C 1310
1060
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 15
33
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 150
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 26
19
Strength to Weight: Axial, points 27
9.3 to 18
Strength to Weight: Bending, points 24
11 to 17
Thermal Shock Resistance, points 17
10 to 20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
86.5 to 90
Iron (Fe), % 59.1 to 65.4
1.0 to 1.8
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Nickel (Ni), % 8.0 to 9.0
9.0 to 11
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.2
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0 to 0.020
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5