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EN 1.6982 Stainless Steel vs. CC381H Copper-nickel

EN 1.6982 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.6982 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, % 17
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
52
Tensile Strength: Ultimate (UTS), MPa 800
380
Tensile Strength: Yield (Proof), MPa 570
140

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 770
260
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.4
5.0
Embodied Energy, MJ/kg 33
73
Embodied Water, L/kg 110
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
60
Resilience: Unit (Modulus of Resilience), kJ/m3 820
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
12
Strength to Weight: Bending, points 25
13
Thermal Diffusivity, mm2/s 6.6
8.4
Thermal Shock Resistance, points 29
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 12 to 13.5
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 78.7 to 84.5
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
0.6 to 1.2
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 3.5 to 5.0
29 to 31
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Zinc (Zn), % 0
0 to 0.5