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EN 1.4971 Stainless Steel vs. C72200 Copper-nickel

EN 1.4971 stainless steel belongs to the iron alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 81
48
Tensile Strength: Ultimate (UTS), MPa 800
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1100
230
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1410
1120
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 13
34
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 7.6
3.9
Embodied Energy, MJ/kg 110
59
Embodied Water, L/kg 300
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26
11 to 18
Strength to Weight: Bending, points 23
12 to 17
Thermal Diffusivity, mm2/s 3.4
9.6
Thermal Shock Resistance, points 19
12 to 20

Alloy Composition

Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0.3 to 0.7
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
78.1 to 84.2
Iron (Fe), % 24.3 to 37.1
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
15 to 18
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.2