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S31727 Stainless Steel vs. C10800 Copper

S31727 stainless steel belongs to the iron alloys classification, while C10800 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is C10800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
4.0 to 50
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 83
10 to 60
Shear Modulus, GPa 78
43
Shear Strength, MPa 430
150 to 200
Tensile Strength: Ultimate (UTS), MPa 630
220 to 380
Tensile Strength: Yield (Proof), MPa 270
75 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 1010
200
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1390
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 4.7
2.6
Embodied Energy, MJ/kg 64
41
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
15 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 190
24 to 600
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22
6.8 to 12
Strength to Weight: Bending, points 20
9.1 to 13
Thermal Shock Resistance, points 14
7.8 to 13

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
99.95 to 99.995
Iron (Fe), % 53.7 to 61.3
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0.0050 to 0.012
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0