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CC381H Copper-nickel vs. EN 1.4646 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while EN 1.4646 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
220
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380
750
Tensile Strength: Yield (Proof), MPa 140
430

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 260
910
Melting Completion (Liquidus), °C 1180
1390
Melting Onset (Solidus), °C 1120
1340
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 40
13
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.8
Embodied Energy, MJ/kg 73
41
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
220
Resilience: Unit (Modulus of Resilience), kJ/m3 68
460
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
27
Strength to Weight: Bending, points 13
24
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.020 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 64.5 to 69.9
1.5 to 3.0
Iron (Fe), % 0.5 to 1.5
59 to 67.3
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 29 to 31
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Zinc (Zn), % 0 to 0.5
0