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CC381H Copper-nickel vs. AISI 305 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while AISI 305 stainless steel belongs to the iron alloys. There are 29 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 CC381H copper-nickel and the bottom bar is AISI 305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
34 to 45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380
580 to 710
Tensile Strength: Yield (Proof), MPa 140
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 260
540
Melting Completion (Liquidus), °C 1180
1450
Melting Onset (Solidus), °C 1120
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 40
16
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
3.2
Embodied Energy, MJ/kg 73
45
Embodied Water, L/kg 280
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
200 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 68
130 to 320
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
20 to 25
Strength to Weight: Bending, points 13
20 to 23
Thermal Diffusivity, mm2/s 8.4
4.2
Thermal Shock Resistance, points 13
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
65.1 to 72.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 2.0
Nickel (Ni), % 29 to 31
10.5 to 13
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Zinc (Zn), % 0 to 0.5
0