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EN 1.4062 Stainless Steel vs. C71640 Copper-nickel

EN 1.4062 stainless steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4062 stainless steel and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
52
Tensile Strength: Ultimate (UTS), MPa 770 to 800
490 to 630
Tensile Strength: Yield (Proof), MPa 530 to 600
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 1030
260
Melting Completion (Liquidus), °C 1430
1180
Melting Onset (Solidus), °C 1380
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
40
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 37
73
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 910
130 to 750
Stiffness to Weight: Axial, points 14
8.7
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 28 to 29
15 to 20
Strength to Weight: Bending, points 24 to 25
16 to 18
Thermal Diffusivity, mm2/s 4.0
8.2
Thermal Shock Resistance, points 21 to 22
16 to 21

Alloy Composition


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Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 21.5 to 24
0
Copper (Cu), % 0
61.7 to 67.8
Iron (Fe), % 69.3 to 77.3
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
1.5 to 2.5
Molybdenum (Mo), % 0 to 0.45
0
Nickel (Ni), % 1.0 to 2.9
29 to 32
Nitrogen (N), % 0.16 to 0.28
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5