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EN 1.4903 Stainless Steel vs. CC381H Copper-nickel

EN 1.4903 stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 28 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 1.4903 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 20 to 21
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
52
Tensile Strength: Ultimate (UTS), MPa 670 to 680
380
Tensile Strength: Yield (Proof), MPa 500
140

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 650
260
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 26
30
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 36
73
Embodied Water, L/kg 88
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
60
Resilience: Unit (Modulus of Resilience), kJ/m3 650
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 22
13
Thermal Diffusivity, mm2/s 7.0
8.4
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 0 to 0.040
0 to 0.010
Carbon (C), % 0.080 to 0.12
0 to 0.030
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0 to 0.3
64.5 to 69.9
Iron (Fe), % 87.1 to 90.5
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.3 to 0.6
0.6 to 1.2
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
29 to 31
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
0 to 0.5