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EN 1.4911 Stainless Steel vs. C71580 Copper-nickel

EN 1.4911 stainless steel belongs to the iron alloys classification, while C71580 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 1.4911 stainless steel and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 11
40
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
51
Shear Strength, MPa 640
230
Tensile Strength: Ultimate (UTS), MPa 1070
330
Tensile Strength: Yield (Proof), MPa 970
110

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Maximum Temperature: Mechanical, °C 700
260
Melting Completion (Liquidus), °C 1450
1180
Melting Onset (Solidus), °C 1410
1120
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 20
39
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
41
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.4
5.1
Embodied Energy, MJ/kg 49
74
Embodied Water, L/kg 130
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
47
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 38
10
Strength to Weight: Bending, points 30
12
Thermal Diffusivity, mm2/s 5.4
11
Thermal Shock Resistance, points 37
11

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.070
Chromium (Cr), % 9.8 to 11.2
0
Cobalt (Co), % 5.0 to 7.0
0
Copper (Cu), % 0
65.5 to 71
Iron (Fe), % 75.7 to 83.8
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.3 to 1.3
0 to 0.3
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 0.2 to 1.2
29 to 33
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.8
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5