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CC381H Copper-nickel vs. S30815 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while S30815 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
190
Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380
680
Tensile Strength: Yield (Proof), MPa 140
350

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Maximum Temperature: Mechanical, °C 260
1020
Melting Completion (Liquidus), °C 1180
1400
Melting Onset (Solidus), °C 1120
1360
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 40
17
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
3.3
Embodied Energy, MJ/kg 73
47
Embodied Water, L/kg 280
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
260
Resilience: Unit (Modulus of Resilience), kJ/m3 68
310
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
25
Strength to Weight: Bending, points 13
22
Thermal Diffusivity, mm2/s 8.4
4.0
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
62.8 to 68.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 0.8
Nickel (Ni), % 29 to 31
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
1.4 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Zinc (Zn), % 0 to 0.5
0