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CC381H Copper-nickel vs. S35135 Stainless Steel

CC381H copper-nickel belongs to the copper alloys classification, while S35135 stainless steel belongs to the iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Elongation at Break, % 20
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
79
Tensile Strength: Ultimate (UTS), MPa 380
590
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Maximum Temperature: Mechanical, °C 260
1100
Melting Completion (Liquidus), °C 1180
1430
Melting Onset (Solidus), °C 1120
1380
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 40
37
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 5.0
6.8
Embodied Energy, MJ/kg 73
94
Embodied Water, L/kg 280
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
160
Resilience: Unit (Modulus of Resilience), kJ/m3 68
130
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
20
Strength to Weight: Bending, points 13
19
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 0
20 to 25
Copper (Cu), % 64.5 to 69.9
0 to 0.75
Iron (Fe), % 0.5 to 1.5
28.3 to 45
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
4.0 to 4.8
Nickel (Ni), % 29 to 31
30 to 38
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
0.6 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.4 to 1.0
Zinc (Zn), % 0 to 0.5
0