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EN 1.4646 Stainless Steel vs. C71000 Copper-nickel

EN 1.4646 stainless steel belongs to the iron alloys classification, while C71000 copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
49
Tensile Strength: Ultimate (UTS), MPa 750
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 290
230
Maximum Temperature: Mechanical, °C 910
240
Melting Completion (Liquidus), °C 1390
1200
Melting Onset (Solidus), °C 1340
1150
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 41
63
Embodied Water, L/kg 160
290

Common Calculations

Stiffness to Weight: Axial, points 14
8.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 27
10 to 18
Strength to Weight: Bending, points 24
12 to 17
Thermal Shock Resistance, points 16
12 to 20

Alloy Composition


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Carbon (C), % 0.020 to 0.1
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 1.5 to 3.0
73.5 to 80.5
Iron (Fe), % 59 to 67.3
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 10.5 to 12.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
19 to 23
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5