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S31727 Stainless Steel vs. C17510 Copper

S31727 stainless steel belongs to the iron alloys classification, while C17510 copper belongs to the copper alloys. There are 26 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 S31727 stainless steel and the bottom bar is C17510 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
5.4 to 37
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 83
44 to 99
Shear Modulus, GPa 78
44
Shear Strength, MPa 430
210 to 500
Tensile Strength: Ultimate (UTS), MPa 630
310 to 860
Tensile Strength: Yield (Proof), MPa 270
120 to 750

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 1010
220
Melting Completion (Liquidus), °C 1440
1070
Melting Onset (Solidus), °C 1390
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
49
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 4.7
4.2
Embodied Energy, MJ/kg 64
65
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
39 to 92
Resilience: Unit (Modulus of Resilience), kJ/m3 190
64 to 2410
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22
9.7 to 27
Strength to Weight: Bending, points 20
11 to 23
Thermal Shock Resistance, points 14
11 to 30

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.2 to 0.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 2.8 to 4.0
95.9 to 98.4
Iron (Fe), % 53.7 to 61.3
0 to 0.1
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
1.4 to 2.2
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5