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CC381H Copper-nickel vs. AISI 430 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while AISI 430 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
160
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
24
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380
500
Tensile Strength: Yield (Proof), MPa 140
260

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 260
870
Melting Completion (Liquidus), °C 1180
1510
Melting Onset (Solidus), °C 1120
1430
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 40
8.5
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.1
Embodied Energy, MJ/kg 73
30
Embodied Water, L/kg 280
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
100
Resilience: Unit (Modulus of Resilience), kJ/m3 68
170
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 8.4
6.7
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
79.1 to 84
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Nickel (Ni), % 29 to 31
0 to 0.75
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Zinc (Zn), % 0 to 0.5
0