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S38815 Stainless Steel vs. C71520 Copper-nickel

S38815 stainless steel belongs to the iron alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 25 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 S38815 stainless steel and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 34
10 to 45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
51
Shear Strength, MPa 410
250 to 340
Tensile Strength: Ultimate (UTS), MPa 610
370 to 570
Tensile Strength: Yield (Proof), MPa 290
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 370
230
Maximum Temperature: Mechanical, °C 860
260
Melting Completion (Liquidus), °C 1360
1170
Melting Onset (Solidus), °C 1310
1120
Specific Heat Capacity, J/kg-K 500
400
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
40
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 3.8
5.0
Embodied Energy, MJ/kg 54
73
Embodied Water, L/kg 140
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 220
67 to 680
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
12 to 18
Strength to Weight: Bending, points 21
13 to 17
Thermal Shock Resistance, points 15
12 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
65 to 71.6
Iron (Fe), % 56.1 to 67
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
28 to 33
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0 to 0.020
0 to 0.020
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5