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EN 1.4807 Stainless Steel vs. C72150 Copper-nickel

EN 1.4807 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. They have a modest 35% 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 C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
99
Elastic (Young's, Tensile) Modulus, GPa 190
150
Elongation at Break, % 4.5
29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
55
Tensile Strength: Ultimate (UTS), MPa 480
490
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
600
Melting Completion (Liquidus), °C 1390
1210
Melting Onset (Solidus), °C 1350
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 15
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 39
45
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 6.8
6.1
Embodied Energy, MJ/kg 97
88
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
150
Stiffness to Weight: Axial, points 13
9.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 3.2
6.0
Thermal Shock Resistance, points 12
18

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.1
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
52.5 to 57
Iron (Fe), % 36.6 to 46.7
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.050
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
43 to 46
Niobium (Nb), % 1.0 to 1.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5