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S31730 Stainless Steel vs. C11300 Copper

S31730 stainless steel belongs to the iron alloys classification, while C11300 copper belongs to the copper alloys. There are 25 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 S31730 stainless steel and the bottom bar is C11300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
2.3 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 370
160 to 240
Tensile Strength: Ultimate (UTS), MPa 540
230 to 410
Tensile Strength: Yield (Proof), MPa 200
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 990
200
Melting Completion (Liquidus), °C 1430
1080
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
32
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 4.6
2.6
Embodied Energy, MJ/kg 63
42
Embodied Water, L/kg 180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
8.5 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 99
25 to 690
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 19
7.2 to 13
Strength to Weight: Bending, points 18
9.4 to 14
Thermal Shock Resistance, points 12
8.2 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
99.85 to 99.973
Iron (Fe), % 52.4 to 61
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0.027 to 0.050
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.1