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S41050 Stainless Steel vs. C19000 Copper

S41050 stainless steel belongs to the iron alloys classification, while C19000 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S41050 stainless steel and the bottom bar is C19000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 25
2.5 to 50
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 77
45 to 94
Shear Modulus, GPa 76
43
Shear Strength, MPa 300
170 to 390
Tensile Strength: Ultimate (UTS), MPa 470
260 to 760
Tensile Strength: Yield (Proof), MPa 230
140 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 720
200
Melting Completion (Liquidus), °C 1440
1080
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
60
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
61

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
42
Embodied Water, L/kg 97
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
18 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
89 to 1730
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 17
8.2 to 24
Strength to Weight: Bending, points 17
10 to 21
Thermal Diffusivity, mm2/s 7.2
73
Thermal Shock Resistance, points 17
9.3 to 27

Alloy Composition


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Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
96.9 to 99
Iron (Fe), % 84.2 to 88.9
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.6 to 1.1
0.9 to 1.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0.15 to 0.35
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 0.5