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S41050 Stainless Steel vs. C19700 Copper

S41050 stainless steel belongs to the iron alloys classification, while C19700 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S41050 stainless steel and the bottom bar is C19700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
2.4 to 13
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 77
67 to 75
Shear Modulus, GPa 76
43
Shear Strength, MPa 300
240 to 300
Tensile Strength: Ultimate (UTS), MPa 470
400 to 530
Tensile Strength: Yield (Proof), MPa 230
330 to 520

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 720
200
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 27
250
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
86 to 88
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
87 to 89

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
30
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.9
2.6
Embodied Energy, MJ/kg 27
41
Embodied Water, L/kg 97
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
12 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 140
460 to 1160
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 17
12 to 16
Strength to Weight: Bending, points 17
14 to 16
Thermal Diffusivity, mm2/s 7.2
73
Thermal Shock Resistance, points 17
14 to 19

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 10.5 to 12.5
0
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
97.4 to 99.59
Iron (Fe), % 84.2 to 88.9
0.3 to 1.2
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.010 to 0.2
Manganese (Mn), % 0 to 1.0
0 to 0.050
Nickel (Ni), % 0.6 to 1.1
0 to 0.050
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0.1 to 0.4
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.2