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S15500 Stainless Steel vs. CC381H Copper-nickel

S15500 stainless steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper 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 S15500 stainless steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
91
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 6.8 to 16
20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
52
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
380
Tensile Strength: Yield (Proof), MPa 590 to 1310
140

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Maximum Temperature: Mechanical, °C 820
260
Melting Completion (Liquidus), °C 1430
1180
Melting Onset (Solidus), °C 1380
1120
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
40
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.7
5.0
Embodied Energy, MJ/kg 39
73
Embodied Water, L/kg 130
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
60
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 32 to 53
12
Strength to Weight: Bending, points 26 to 37
13
Thermal Diffusivity, mm2/s 4.6
8.4
Thermal Shock Resistance, points 30 to 50
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 4.5
64.5 to 69.9
Iron (Fe), % 71.9 to 79.9
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.0
0.6 to 1.2
Nickel (Ni), % 3.5 to 5.5
29 to 31
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Zinc (Zn), % 0
0 to 0.5