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S20910 Stainless Steel vs. C99300 Copper

S20910 stainless steel belongs to the iron alloys classification, while C99300 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
200
Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 14 to 39
2.0
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
46
Tensile Strength: Ultimate (UTS), MPa 780 to 940
660
Tensile Strength: Yield (Proof), MPa 430 to 810
380

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1080
250
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1380
1070
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 13
43
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
35
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.8
4.5
Embodied Energy, MJ/kg 68
70
Embodied Water, L/kg 180
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
11
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
590
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 28 to 33
22
Strength to Weight: Bending, points 24 to 27
20
Thermal Diffusivity, mm2/s 3.6
12
Thermal Shock Resistance, points 17 to 21
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 0
68.6 to 74.4
Iron (Fe), % 52.1 to 62.1
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
13.5 to 16.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0 to 0.020
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Vanadium (V), % 0.1 to 0.3
0
Residuals, % 0
0 to 0.3