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S44735 Stainless Steel vs. C18100 Copper

S44735 stainless steel belongs to the iron alloys classification, while C18100 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 21
8.3
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 82
47
Shear Strength, MPa 390
300
Tensile Strength: Ultimate (UTS), MPa 630
510
Tensile Strength: Yield (Proof), MPa 460
460

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 21
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 61
43
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
40
Resilience: Unit (Modulus of Resilience), kJ/m3 520
900
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 26
18
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0.4 to 1.2
Copper (Cu), % 0
98.7 to 99.49
Iron (Fe), % 60.7 to 68.4
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.0
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5