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EN 1.4971 Stainless Steel vs. C96300 Copper-nickel

EN 1.4971 stainless steel belongs to the iron alloys classification, while C96300 copper-nickel belongs to the copper alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 1.4971 stainless steel and the bottom bar is C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
150
Elastic (Young's, Tensile) Modulus, GPa 210
130
Elongation at Break, % 34
11
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 81
49
Tensile Strength: Ultimate (UTS), MPa 800
580
Tensile Strength: Yield (Proof), MPa 340
430

Thermal Properties

Latent Heat of Fusion, J/g 300
230
Maximum Temperature: Mechanical, °C 1100
240
Melting Completion (Liquidus), °C 1460
1200
Melting Onset (Solidus), °C 1410
1150
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 13
37
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
42
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 7.6
5.1
Embodied Energy, MJ/kg 110
76
Embodied Water, L/kg 300
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
59
Resilience: Unit (Modulus of Resilience), kJ/m3 280
720
Stiffness to Weight: Axial, points 14
8.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 3.4
10
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.15
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
72.3 to 80.8
Iron (Fe), % 24.3 to 37.1
0.5 to 1.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 2.0
0.25 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
18 to 22
Niobium (Nb), % 0.75 to 1.3
0.5 to 1.5
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 2.0 to 3.0
0
Residuals, % 0
0 to 0.5