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EN 1.4571 Stainless Steel vs. C72700 Copper-nickel

EN 1.4571 stainless steel belongs to the iron alloys classification, while C72700 copper-nickel belongs to the copper alloys. 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 1.4571 stainless steel and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 14 to 40
4.0 to 36
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
44
Shear Strength, MPa 410 to 550
310 to 620
Tensile Strength: Ultimate (UTS), MPa 600 to 900
460 to 1070
Tensile Strength: Yield (Proof), MPa 230 to 570
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 950
200
Melting Completion (Liquidus), °C 1440
1100
Melting Onset (Solidus), °C 1400
930
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 15
54
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.9
4.0
Embodied Energy, MJ/kg 54
62
Embodied Water, L/kg 150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
1420 to 4770
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21 to 32
14 to 34
Strength to Weight: Bending, points 20 to 26
15 to 26
Thermal Diffusivity, mm2/s 4.0
16
Thermal Shock Resistance, points 13 to 20
16 to 38

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
82.1 to 86
Iron (Fe), % 61.7 to 71
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 2.0
0.050 to 0.3
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10.5 to 13.5
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
5.5 to 6.5
Titanium (Ti), % 0 to 0.7
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3

Comparable Variants