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EN 1.4612 Stainless Steel vs. CC381H Copper-nickel

EN 1.4612 stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4612 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, % 11
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
52
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
380
Tensile Strength: Yield (Proof), MPa 1570 to 1730
140

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 790
260
Melting Completion (Liquidus), °C 1450
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 16
40
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 3.6
5.0
Embodied Energy, MJ/kg 50
73
Embodied Water, L/kg 140
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
60
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 60 to 65
12
Strength to Weight: Bending, points 40 to 43
13
Thermal Shock Resistance, points 58 to 63
13

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0 to 0.010
Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
64.5 to 69.9
Iron (Fe), % 71.5 to 75.5
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.1
0.6 to 1.2
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 10.2 to 11.3
29 to 31
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0.2 to 0.5
0
Zinc (Zn), % 0
0 to 0.5