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S38815 Stainless Steel vs. C72150 Copper-nickel

S38815 stainless steel belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 26 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 S38815 stainless steel and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
99
Elastic (Young's, Tensile) Modulus, GPa 190
150
Elongation at Break, % 34
29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
55
Shear Strength, MPa 410
320
Tensile Strength: Ultimate (UTS), MPa 610
490
Tensile Strength: Yield (Proof), MPa 290
210

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 860
600
Melting Completion (Liquidus), °C 1360
1210
Melting Onset (Solidus), °C 1310
1250
Specific Heat Capacity, J/kg-K 500
410
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 19
45
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 3.8
6.1
Embodied Energy, MJ/kg 54
88
Embodied Water, L/kg 140
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 21
15
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
52.5 to 57
Iron (Fe), % 56.1 to 67
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.050
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
43 to 46
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 5.5 to 6.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5