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EN 1.4570 Stainless Steel vs. C71520 Copper-nickel

EN 1.4570 stainless steel belongs to the iron alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4570 stainless steel and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 40
10 to 45
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
51
Shear Strength, MPa 410
250 to 340
Tensile Strength: Ultimate (UTS), MPa 610
370 to 570
Tensile Strength: Yield (Proof), MPa 210
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 290
230
Maximum Temperature: Mechanical, °C 930
260
Melting Completion (Liquidus), °C 1420
1170
Melting Onset (Solidus), °C 1370
1120
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
32
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 15
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.1
5.0
Embodied Energy, MJ/kg 43
73
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 110
67 to 680
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
12 to 18
Strength to Weight: Bending, points 20
13 to 17
Thermal Diffusivity, mm2/s 4.0
8.9
Thermal Shock Resistance, points 14
12 to 19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 1.4 to 1.8
65 to 71.6
Iron (Fe), % 65 to 73.5
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 8.0 to 10
28 to 33
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.2
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0.15 to 0.35
0 to 0.020
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5