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EN 1.4020 Stainless Steel vs. CC381H Copper-nickel

EN 1.4020 stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
91
Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 13 to 34
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
52
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
380
Tensile Strength: Yield (Proof), MPa 430 to 950
140

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 890
260
Melting Completion (Liquidus), °C 1390
1180
Melting Onset (Solidus), °C 1350
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
40
Density, g/cm3 7.6
8.9
Embodied Carbon, kg CO2/kg material 2.5
5.0
Embodied Energy, MJ/kg 37
73
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
60
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 41
12
Strength to Weight: Bending, points 25 to 32
13
Thermal Shock Resistance, points 16 to 23
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16.5 to 19
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 62.8 to 71.8
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 11 to 14
0.6 to 1.2
Nickel (Ni), % 0.5 to 2.5
29 to 31
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Zinc (Zn), % 0
0 to 0.5