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EN 1.4807 Stainless Steel vs. C71580 Copper-nickel

EN 1.4807 stainless steel belongs to the iron alloys classification, while C71580 copper-nickel belongs to the copper alloys. They have a modest 31% 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 1.4807 stainless steel and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
75
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 4.5
40
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
51
Tensile Strength: Ultimate (UTS), MPa 480
330
Tensile Strength: Yield (Proof), MPa 250
110

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Maximum Temperature: Mechanical, °C 1000
260
Melting Completion (Liquidus), °C 1390
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 1.9
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 39
41
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 6.8
5.1
Embodied Energy, MJ/kg 97
74
Embodied Water, L/kg 190
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
47
Stiffness to Weight: Axial, points 13
8.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
10
Strength to Weight: Bending, points 17
12
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 12
11

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.070
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
65.5 to 71
Iron (Fe), % 36.6 to 46.7
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
29 to 33
Niobium (Nb), % 1.0 to 1.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5