EN 1.4958 Stainless Steel vs. C71580 Copper-nickel
EN 1.4958 stainless steel belongs to the iron alloys classification, while C71580 copper-nickel belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.4958 stainless steel and the bottom bar is C71580 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
140 |
Elongation at Break, % | 40 | |
40 |
Poisson's Ratio | 0.28 | |
0.33 |
Shear Modulus, GPa | 77 | |
51 |
Shear Strength, MPa | 430 | |
230 |
Tensile Strength: Ultimate (UTS), MPa | 630 | |
330 |
Tensile Strength: Yield (Proof), MPa | 190 | |
110 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
230 |
Maximum Temperature: Mechanical, °C | 1090 | |
260 |
Melting Completion (Liquidus), °C | 1400 | |
1180 |
Melting Onset (Solidus), °C | 1350 | |
1120 |
Specific Heat Capacity, J/kg-K | 480 | |
400 |
Thermal Conductivity, W/m-K | 12 | |
39 |
Thermal Expansion, µm/m-K | 15 | |
15 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.7 | |
4.7 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
4.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 30 | |
41 |
Density, g/cm3 | 8.0 | |
8.9 |
Embodied Carbon, kg CO2/kg material | 5.3 | |
5.1 |
Embodied Energy, MJ/kg | 75 | |
74 |
Embodied Water, L/kg | 200 | |
280 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 | |
100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 95 | |
47 |
Stiffness to Weight: Axial, points | 14 | |
8.5 |
Stiffness to Weight: Bending, points | 24 | |
19 |
Strength to Weight: Axial, points | 22 | |
10 |
Strength to Weight: Bending, points | 20 | |
12 |
Thermal Diffusivity, mm2/s | 3.2 | |
11 |
Thermal Shock Resistance, points | 15 | |
11 |
Alloy Composition
Aluminum (Al), % | 0.2 to 0.5 | |
0 |
Carbon (C), % | 0.030 to 0.080 | |
0 to 0.070 |
Chromium (Cr), % | 19 to 22 | |
0 |
Cobalt (Co), % | 0 to 0.5 | |
0 |
Copper (Cu), % | 0 to 0.5 | |
65.5 to 71 |
Iron (Fe), % | 41.1 to 50.6 | |
0 to 0.5 |
Lead (Pb), % | 0 | |
0 to 0.050 |
Manganese (Mn), % | 0 to 1.5 | |
0 to 0.3 |
Nickel (Ni), % | 30 to 32.5 | |
29 to 33 |
Niobium (Nb), % | 0 to 0.1 | |
0 |
Nitrogen (N), % | 0 to 0.030 | |
0 |
Phosphorus (P), % | 0 to 0.015 | |
0 |
Silicon (Si), % | 0 to 0.7 | |
0 |
Sulfur (S), % | 0 to 0.010 | |
0 |
Titanium (Ti), % | 0.2 to 0.5 | |
0 |
Zinc (Zn), % | 0 | |
0 to 0.050 |
Residuals, % | 0 | |
0 to 0.5 |