MakeItFrom.com
Menu (ESC)

S31727 Stainless Steel vs. C70400 Copper-nickel

S31727 stainless steel belongs to the iron alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 22 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 S31727 stainless steel and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
45
Tensile Strength: Ultimate (UTS), MPa 630
300 to 310
Tensile Strength: Yield (Proof), MPa 270
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 1010
210
Melting Completion (Liquidus), °C 1440
1120
Melting Onset (Solidus), °C 1390
1060
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.7
3.0
Embodied Energy, MJ/kg 64
47
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 190
38 to 220
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
9.3 to 9.8
Strength to Weight: Bending, points 20
11 to 12
Thermal Shock Resistance, points 14
10 to 11

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
89.8 to 93.6
Iron (Fe), % 53.7 to 61.3
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
4.8 to 6.2
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5